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EP1910597B1 - Procede de fabrication de tricots D'ECARTEMENT ADAPTES A une FORME - Google Patents

Procede de fabrication de tricots D'ECARTEMENT ADAPTES A une FORME Download PDF

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Publication number
EP1910597B1
EP1910597B1 EP06762193A EP06762193A EP1910597B1 EP 1910597 B1 EP1910597 B1 EP 1910597B1 EP 06762193 A EP06762193 A EP 06762193A EP 06762193 A EP06762193 A EP 06762193A EP 1910597 B1 EP1910597 B1 EP 1910597B1
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EP
European Patent Office
Prior art keywords
spacer
properties
fabric
shape
permanent
Prior art date
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Application number
EP06762193A
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German (de)
English (en)
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EP1910597A1 (fr
Inventor
Heinz-Willy Essers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heinrich Essers GmbH and Co KG
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Heinrich Essers GmbH and Co KG
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Publication of EP1910597A1 publication Critical patent/EP1910597A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/006—Use of three-dimensional fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10—Open-work fabrics
    • D04B21/12—Open-work fabrics characterised by thread material
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/021—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics
    • D10B2403/0211—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics with corrugated plies
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0243—Fabric incorporating additional compounds enhancing functional properties
    • D10B2403/02431—Fabric incorporating additional compounds enhancing functional properties with electronic components, e.g. sensors or switches
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/08—Upholstery, mattresses

Definitions

  • the invention relates to a method for producing a shape-matched spacer knitted fabric.
  • Spacer knitted fabrics which belong to the spacer textiles, have been known for some time and consist of two textile base surfaces connected by spacer threads, which run at a distance from one another.
  • the spacer threads are integrated into the bases in accordance with the method for forming the textile surfaces.
  • the bases can be parallel (equidistant) as well as with variable spacing.
  • spacer knitted fabrics When using spacer knitted fabrics, pressure or even self-loading may cause the spacer threads to become kinked and / or tilt the base surfaces parallel to one another, thereby eliminating the distance between them.
  • thermoplastic foams into a desired shape by a hot-forming process.
  • the foam parts are brought to soften for example by a warm solid or deliberately injected at certain points hot gas at the desired locations.
  • a possibly warm shape or the mere softening of specially selected locations then makes it possible to permanently bring the foam parts in the desired shape, which is maintained even after cooling.
  • thermoformed foam parts are used inter alia as upholstery elements, for example in the seat upholstery.
  • German patent application DE 102 40 462 describes, for example, a vehicle seat which consists of a conventional padding foam substructure and having recesses in the seat or in the backrest. In these recesses, depositors are from a load-bearing, permanently elastic and provided with durable return properties spacer fabric arranged.
  • the different materials have to be tuned consuming and very precisely, so that, for example, unwanted differences in strength that affect the comfort, not be perceived by the users as unpleasant. Furthermore, it must also be extremely precise fit, so that even with a pressure load no existing or occurring gaps disturb the comfort of the user.
  • the presence of the foam parts is anyway always associated with loss of comfort, since they can not absorb and dissipate the heat and moisture emitted by the body sufficiently. It is not possible in the foam areas sufficient air circulation and thus sweat can not be dissipated.
  • German patent specification describes DE 100 13 492 a vehicle seat, in which the different areas of the seat, which are provided with a spacer knitted fabric, are separated only by webs. Height differences in the seat can be achieved by different distances of the top surfaces of the spacer fabric.
  • This type of seat padding makes it possible, at least to some extent, to adapt a padding made of spacer knit fabric to a specific body shape or to a specific seat shape by the use of spacer yarns of different lengths.
  • the problems already described which arise in the production of a padding made of a plurality of materials, continue to exist, since the different regions of spacer fabric are separated from webs in this case as well.
  • a vehicle seat with a support structure is known, on which a padding substructure is arranged with a recess in which a spacer knitted fabric is received.
  • thermoforming garments From the DD 12 91 55 A a method for thermoforming garments is known in which a first molding station is heated and a subsequent second molding station is cooled.
  • the invention has for its object to provide an optimal adaptation of a spacer fabric to a desired shape and to the requirements of a user.
  • the desired shape should be able to be adapted individually to the shape of the body or body part to be worn, to a specific seat shape, to mechanical requirements, to functional functions or ergonomic requirements, so that the greatest possible comfort is ensured.
  • this object is achieved by a method for producing a shape-matched spacer knitted fabric with permanent return properties with the features of claim 1.
  • Advantageous embodiments of the method will become apparent from the dependent claims 2 to 10.
  • the invention relates to shape-matched spacer fabrics having durable return properties.
  • the preferred embodiments of the invention also relate in particular to spacer fabrics with permanent return properties.
  • Such permanent rebound properties are particularly preferred for many applications and make it possible to use the spacer fabric according to the invention, for example in seating furniture, in particular chairs and armchairs.
  • the embodiments always relate to the case in which the spacer knitted fabric is rigid, that is, largely non-deformable.
  • Such rigid spacer fabric are particularly suitable for use in which a dimensionally stable body to be created. Examples of such dimensionally stable bodies are lining elements, for example for seat or chair backs or lumbar supports.
  • Particularly preferred embodiments of the invention relate to combinations of spacer fabrics with optionally different sized restoring forces on the one hand and dimensionally stable spacer fabrics on the other hand.
  • substantially dimensionally stable spacer fabrics are also referred to below as shape-matched spacer fabrics with permanent return properties.
  • the shape-matched spacer fabrics according to the invention are characterized by permanent return properties and a form which largely corresponds to a desired shape.
  • the permanent return properties are achieved by a certain number of spacer threads per unit area and / or by a special guidance of the spacer threads of the spacer knitted fabric. From a certain number of spacer threads per unit area is already by the mere number of spacer threads ensures that, for example, a kinking of all spacer threads and / or a tilting of the base surfaces are made much more difficult.
  • buckling of the spacer threads and / or tilting of the base surfaces can also be made considerably more difficult by special guidance of the spacer threads of the shape-matched spacer knitted fabric with permanent return properties.
  • the distance between the two base surfaces is guaranteed by the guidance of the spacer threads of the shape-matched spacer fabric with permanent return properties.
  • the leadership of the spacer threads can be varied within a repeat.
  • the spacer threads may be passed through the bases and bound into the bases so as to describe, within a repeat, a curve in a shape approximated by the characters I, X and V or by strings comprising any combination of these characters.
  • IXI, IVI, VXV, VXI or IXV can be described.
  • a repeat within the meaning of the invention is the part of a spacer knitted fabric, according to which the guide of the spacer threads is repeated in the direction of production or transversely thereto.
  • a buckling of the spacer threads and / or a tilting of the base surfaces can thereby be made much more difficult.
  • the guidance of the spacer threads corresponds to the above-mentioned character sequences and particularly preferably to the string IXI, since, for example, a buckling of the spacer threads and / or a tilting of the base surfaces can be made particularly difficult.
  • Shape-matched spacer fabrics with permanent return properties in the context of the invention are spacer fabrics which can be adapted both to a specific desired shape and to the requirements of the user and have durable return properties. Permanent return properties are present if the shape-matched spacer knitted fabrics return to their original desired shape as far as possible after a single or multiple deformation due to an optionally heavy and / or lasting load.
  • the extent of deformation of the shape-matched spacer knitted fabric with rebound properties by the leadership of the spacer threads within a repeat and / or the base surface binding, and / or the thread material used, and / or the structure of the base surfaces, and / or the number of spacer threads, and / or the angle at which the spacer threads intersect and / or converge, and / or the formation of the joints, and / or the arrangement of the joints can be progressively varied from a largely non-existent deformation to a deformation almost over the entire thickness of the shape-matched Abstandsgewirkes.
  • the thickness of the conformed spacer knit having rebound properties needed to achieve excellent load bearing properties varies between 0.1 and 25 cm.
  • the thickness may preferably be at least 0.1 cm, more preferably at least 5 cm, and more preferably at least 7 cm.
  • the upper limit of the thickness may be, for example, at most 25 cm, more preferably at most 15 cm.
  • the number of spacer threads of the conformed spacer fabric having durable return properties per 2.54 square centimeters that can be used to achieve excellent and durable recovery and load bearing characteristics can be between 1 and 750 spacer threads per 2.54 square centimeters.
  • the number of spacer threads of the shape-matched spacer knitted fabrics with permanent return properties is for example preferably at least 1 spacer thread per 2.54 square centimeter, more preferably at least 10 spacer threads per 2.54 square centimeter.
  • the upper limit of the number of spacer threads of the conformed spacer fabric having durable return properties is preferably at most 750 spacer threads per 2.54 square centimeters, more preferably at most 500 spacer threads per 2.54 square centimeter, and even more preferably at most 250 spacer threads per 2.54 square centimeter.
  • the strength determined by DIN 53579, Part 1 can be used to determine the compressive strength of the conformed spacer fabric with durable rebound properties that can be used to ensure excellent load bearing properties and sufficient and comfortable fit of an article to be worn Example, at least 5 N, preferably at least 25 N and more preferably at least 40 N.
  • the upper limit may be, for example, at most 400 N, preferably at most 350 N, and more preferably at most 300 N.
  • the conformed spacer fabrics having durable return properties may have an area of at least 10 square centimeters, preferably at least 15 square centimeters, and more preferably at least 20 square centimeters.
  • the shape-matched spacer fabric according to the invention with permanent return properties it is also possible to guide the spacer threads within a repeat and consequently Also, the characters or the string through which the resulting in the leadership of the spacer threads within a repeat curve are approximately described and varied in the direction of manufacture and / or across. These variations make it possible to influence load-bearing properties, dimensional stability, compressive rigidity and / or compressive elasticity, dimensional stability and rebound properties, and to flexibly and conveniently adapt the form-fitting spacer knits with permanent return properties to the requirements of the user. This ensures the highest possible comfort.
  • the requirements include all the features needed to optimize a user's sense of comfort.
  • a user's requirement may include certain properties in terms of strength, load bearing properties, dimensional stability, compressive stiffness and / or compressive resilience, dimensional stability of the rebound properties, and permissible air circulation, and preferably also moisture, vapor, or liquid discharge.
  • the user desires, for example, to maximize his comfort, an individualized strength, which gives the various parts of the body the respectively required and / or perceived hold, a certain compressive rigidity and / or compressive elasticity, which causes a more or less sinking of various body parts into the body
  • Spacer knitted fabrics with durable rebound properties enable certain load-bearing properties to be ensured, which ensure that a certain load can be absorbed by the knitted spacer fabric with permanent rebound properties, as far as possible without the load being wholly or partially inflated
  • Example of carrying parts is passed, certain return properties that ensure that the spacer knitted fabric with permanent return properties after a caused by an optionally heavy and / or long-lasting strain return to their original shape, a certain air permeability, which allows good air circulation, or a specific shape constancy and / or dimensional stability, which ensures that the original shape is retained as far as possible in the event of sustained and / or heavy loads.
  • shape-matched spacer fabrics having durable return properties can be subdivided into a plurality of regions differing in terms of load-bearing properties, dimensional stability, compressive stiffness and / or compressive elasticity, dimensional stability, and rebound properties by varying the guide of the spacer threads in the direction of manufacture or transversely thereto.
  • An area within the meaning of the invention is a part of a thing that differs at least from the other adjacent parts of this thing.
  • These regions may be parts of the form-fitting spacer fabrics having different or the same shape and / or size, preferably having permanent return properties.
  • portions of the conformed spacer fabric having durable return characteristics in which the curve resulting from the guidance of the spacer threads within a repeat may be approximately described by an I
  • regions of the conformed spacer fabric having durable return characteristics in that of guiding the spacer threads within a repeat whose resulting Curve, for example, can be approximately described by an X significantly differ in terms of load-bearing properties, dimensional stability, compressive rigidity and / or compressive elasticity, dimensional stability and rebound properties.
  • the abovementioned properties in the regions of the shape-matched spacer knitted fabrics with permanent return properties, in which the curve resulting from the guidance of the spacer threads within a repeat can be described approximately by an X, for example, are usually better.
  • the aforesaid properties of regions of conformable spacer knitted fabrics having durable rebound properties in which the curve resulting from the guidance of the spacer threads within a repeat can be approximately described by V, for example, are mostly intermediate to the properties of the regions of the form-fitting knitted spacer fabric having durable return characteristics the curve resulting from the guidance of the spacer threads within a repeat, for example, can be approximately described by I and the properties of the regions of the shape-matched spacer fabric with permanent return properties, in which the curve resulting from the guidance of the spacer threads within a repeat approximates, for example, an X can be described, to classify.
  • the shape-matched spacer knits with permanent return properties can be flexibly and conveniently adapted to the user's requirement. This ensures the highest possible comfort.
  • each spacer thread of the spacer fabric can be guided through the bases and integrated into the base areas so that within a repeat it describes a curve in a shape which can be approximately described by the character string IXI ,
  • the spacer fabric is permanently brought by heat into a form largely corresponding to a desired shape.
  • the desired shape of the form-fitting spacer knitted fabrics with permanent return properties is the shape with which the desired - possibly ergonomic - shape of the spacer knitted fabric used to make the patterned knitted spacer fabric with permanent return properties is to be achieved.
  • the desired shape is thus the shape to which the shape of the spacer fabric is to be adapted with permanent return properties.
  • the desired shape can be adapted individually to the shape of the body or body part to be worn, to a specific seat shape, to mechanical requirements, to a functional function or to ergonomic requirements. For example, it may be necessary to adapt the desired shape to certain mechanical requirements, for example to a stress in certain areas due to a greater load in these areas.
  • adaptation to a utility function includes a design that provides increased lateral support when contemplated for use as part of a ride and / or aircraft seat cushion or even as a ride and / or seat cushion.
  • the adaptation to a utility function may also include a design that is particularly useful for the intended use.
  • the desired shape can be adapted to the function of use by ensuring a wedge-shaped shape for a shape-matched spacer fabric intended for use as a seat wedge with durable rebound properties.
  • an adaptation to ergonomic needs is possible, which by shaping an improvement of the interface between the user and the object, for example, the upholstery, ensures and thus guarantees a high. Comfort.
  • each spacer thread of the spacer knitted fabric with permanent return properties Curve which can be approximately described by the string IXI
  • Curve which can be approximately described by the string IXI
  • the spacer threads therefore form so-called IXI structures due to their special guidance and connection to the base surfaces in this case.
  • buckling of the spacer threads and / or tilting of the base surfaces is prevented very efficiently by the IXI structure of the spacer threads, even if the length of the spacer threads increases, in order to increase the thickness of the shape-matched spacer knits with lasting rebound properties up to 15 cm.
  • the IXI structure of the spacer threads makes it possible, depending on the length of the spacer threads, to produce spacer knits up to 15 cm thick which have good load-bearing properties, good dimensional stability, good compressive and / or compressive resilience, excellent dimensional stability and excellent rebound properties.
  • the angle at which the spacer threads of the conformed spacer fabric intersect and / or converge with permanent hemming properties can be varied.
  • the angle at which the spacer threads of the conformed spacer knit forming an X intersect with permanent return properties can be changed.
  • Two or more different angles in which the X-forming spacer threads of the conformed spacer fabric intersect with permanent return properties define two or more different regions of the conformed spacer fabric having durable return properties.
  • the individual regions which differ over the angle at which the spacer threads intersect and / or converge can differ. of whatever shape and / or size they are.
  • the individual areas may be square or rectangular.
  • the shape-matched spacer fabrics having durable return characteristics can, for example, be subdivided into at least two regions in which the angles at which the spacer threads intersect and / or converge are different.
  • the angle at which the spacer threads of the shape-matched spacer fabric intersect and / or converge with permanent return properties can be changed as often as desired in the direction of production or transversely thereto.
  • the compressive stiffness and / or compressive resilience of the conformed spacer fabric is affected with permanent hopping characteristics.
  • Each region of the conformable spacer knit having durable return characteristics having an angle different from the other at least at a different area where the spacer threads of the conformed knit fabric intersect and / or converge also has its own distinct from at least one of the other regions Strength and / or dimensional stability and / or dimensional stability and / or rebound property.
  • the narrower or narrower X formed by the spacer threads in an area of the conformed spacer knit having durable rebound properties the higher and / or better is the strength and / or shape consistency and / or dimensional stability and / or rebound property in that range.
  • the strength and / or the dimensional stability and / or the dimensional stability and / or the rebound property in a region of the shape-matched spacer knitted fabrics with permanent return properties is, of course, lower and / or worse, the wider, for example, one of the spacer threads of the shape-matched Spacer knit fabric with X formed permanent return properties.
  • the shape-matched spacer fabrics with permanent return properties can be flexibly and conveniently adapted to the user's requirement. This ensures the highest possible comfort.
  • conformable spacer fabrics having durable return properties may include different regions at different angles in which the spacer threads of the conformed spacer fabric intersect and / or converge with permanent return properties, and different strengths that will provide the various body parts with the needed and / or considered comfortable fit ,
  • the two bases of the conformed spacer fabric having durable return characteristics may be identical or different as needed.
  • the bases of the shape-matched spacer knits with permanent return properties may have a different open or closed structure.
  • the bases of the conformed spacer fabrics having permanent return properties may comprise closed, close-knit textile fabrics or open net-like textile fabrics.
  • the structure of the footprint of the conformed spacer fabric with durable return properties is its actual nature.
  • the structure of the conformed spacer fabric having durable return characteristics of a base may vary smoothly between a closed and an open structure.
  • a base area with an open structure in the sense of the invention is accordingly a base area which has openings to a certain extent. These openings can be formed, for example, by large and / or wide stitches or by the formation of a net-like, close-knit textile knit.
  • the openings may be of any shape and / or size.
  • a net-like close-knit textile fabric can have square, rectangular, triangular, octagonal, round, oval or honeycomb-shaped openings.
  • the openings which has one of the bases, can also be of different shape and / or size.
  • a base area with a closed structure in the sense of the invention is expediently a base area which comprises a textile fabric.
  • the textile knit is tight.
  • the structure of the bases influences the point elasticity.
  • the more open the structure of the base area the more sinking dormant parts sink into the form-fitting spacer knit fabric with permanent return properties.
  • An open structure of the base surfaces can thus be distinguished from a more closed structure of the base surfaces by resting on a more open base of a conformable spacer fabric with permanent return properties, more resting parts in the conforming spacer fabric with permanent return properties than similar parts resting on a more closed one Base area of an otherwise same distance knitted fabric with permanent return properties rest.
  • the bases may be continuous or have interruptions.
  • a footprint may have an interruption to facilitate the formation of a joint.
  • Such joints may be locations where the conformed spacer fabrics with durable rebound properties are particularly easy to bend.
  • the two opposite bases are usually not interrupted at the same point. Accordingly, by varying the structure of the base surfaces and / or by the presence of continuous parts of the base surface and / or interruptions of the base, the division of the shape-matched spacer fabric with permanent return properties in different areas possible, which may have different point elasticity and / or strength and / or shape constancy ,
  • the point elasticity and / or strength and / or dimensional stability of the conformed spacer knitted fabrics with permanent return properties can be achieved by varying the structure of the base areas and / or the patency of the bases in each area in which the structure and / or the patency of the base of one different range, individually, flexibly and conveniently adapted to the requirement of the user to ensure the highest possible comfort.
  • the surface area bonding of the two base surfaces of the shape-matched spacer knitted fabric with permanent return properties can also be different.
  • the surface area binding describes the way in which the spacer threads are integrated into the respective base area.
  • the surface area binding also has an influence on the point elasticity and / or the strength of the shape-matched spacer fabric. Exemplary types of surface area binding are described in German Offenlegungsschrift DE 100 26 405 A1 , to which reference is made in full, described in detail.
  • the surface area bonding of one of the two base areas or both base areas can be varied in the direction of production or transversely thereto.
  • the variation of the base area binding in turn allows the division of the shape-matched spacer knitted fabric with permanent return properties in different areas, which may have different point elasticities and / or strengths.
  • the point elasticity and / or strength of the conformed spacer fabric having durable return characteristics can also be individually, flexibly and conveniently adapted to the user's requirement, also by varying the base area bonding in each area where the base area binding differs from that of another area to ensure the highest possible comfort.
  • the number of spacer threads of the conformed spacer knit may vary with permanent or in the direction of manufacture or transversely.
  • the variation of the number of spacer threads allows the division of the shape-matched spacer fabric with permanent rebound properties in different areas, which may have different strengths.
  • the strength and / or the dimensional stability and / or the dimensional stability and / or the rebound characteristic of the shape-matched spacer knitted fabric having durable rebound properties can also be achieved by varying the number of spacer threads in each region in which the number of the spacer threads differs from that of another region , individually, flexibly and comfortably adapted to the requirement of the user to ensure the highest possible comfort.
  • At least one hinge can be formed in the conformed spacer fabrics having durable recovery characteristics.
  • These joints are the places of the form-fitting spacer knitted fabric with permanent return properties, where the spacer knits with permanent return properties bend and bend particularly well. Reducing the number of spacer threads, in particular the number of spacer threads per square centimeter, in a particular area of the conformed spacer fabric having durable return properties will result in a decrease in strength and / or stability and / or dimensional stability in that area allowing for simplified bending and kinking becomes.
  • the joints can therefore be reduced to zero by a number of, in comparison to the directly adjacent regions of the shape-matched spacer knitted fabrics with permanent return properties
  • Spacer threads in particular the number of spacer threads per square centimeter in a certain area of the shape-matched spacer knitted fabric with permanent return properties are formed.
  • the formation of the joints can also be varied, for example, by decreasing the number of spacer threads, in particular the number of spacer threads per square centimeter, to form a joint to a particular different set value and / or reducing the number of spacer threads progressively or in one or more stages.
  • the joints can be arranged arbitrarily in the direction of production of the shape-matched spacer fabric with permanent return properties or transversely thereto.
  • the hinges can be used so that the shape-matched spacer knits with permanent return properties adapt better to the moving parts of the support surface.
  • the conformed spacer fabrics having durable rebound properties it may be desirable for the conformed spacer fabrics having durable rebound properties to have various hinges that allow the conformed spacer fabrics having durable rebound properties, precisely along the mechanical joints for adjustment the seat can be used, folded and / or bent comfortably.
  • the contouring and in particular the cutting takes place in the region of joints, the delineation of the spacer threads and / or monofilaments severed during the contouring or of one of the base areas is minimized, since the number of potentially separable or surface-releasable spacer threads and / or or monofilaments in these areas is reduced.
  • the joints can also be used, for example, to change the shape of the shape-matched spacer knitted fabrics with permanent return properties quickly and easily.
  • hinges may facilitate folding or curling of the conformable spacer fabric having durable hemming properties to allow stowage of the conformed spacer fabric having durable hemming properties to save space in a confined space or to obtain a smaller, increased thickness by folding from a large spacer fabric having durable hernia characteristics .
  • An interruption of one of the base surfaces in the region of a joint further simplifies the bending and / or buckling, since by the .Interruption of the base area, the stability and / or strength and / or the dimensional stability is reduced in the region of the joint.
  • the number of the spacer yarns in particular the number of the spacer yarns per square centimeter, for example, can be progressively up to the locations and / or the locations that are deformed, be reduced to zero.
  • the strength and / or the stability of the spacer knitted fabric with permanent return properties can be achieved
  • Manufacture of the form-fitting spacer knit can be used with lasting rebound properties, targeted to be reduced at the points that are deformed.
  • the deformation is thereby simplified because, for example, a lower pressure must be exerted on the points to be deformed.
  • a particularly high dimensional stability can be ensured even at the deformed points, as well as the return properties an optionally progressive decrease in the number of spacer threads, in particular the number of spacer threads per square centimeter, can be reduced.
  • the thread material of the conformed spacer fabric may be varied with permanent hemming properties in the direction of manufacture or across.
  • the thread material according to the invention in this case comprises the material which can be used in thread form, but preferably also for example as a monofilament, for the production of the base surfaces and / or the spacer threads of the shape-matched spacer knitted fabric with permanent return properties. Different thread materials can also be used to produce the base surfaces and the spacer threads. In the variation of the thread material, the thread material per se and / or the thickness of the thread material can be varied.
  • thread materials are, for example, cotton, wool, polystyrene, polyethylene, polyethylene terephthalate, polyethersulfones, polypropylene, polymethyl methacrylate, polyesters, polyurethanes, polyamides, polyacrylates, polymethacrylates, E-glass, AR-glass or C-fiber coated or uncoated, in question.
  • These may be yarns, mono- or multifilaments, which can be combined with each other as desired.
  • a coating which may be present may be, for example, an antibacterial, a moisture-absorbing, a functional or a hydrophobic coating.
  • the thread material itself may also have, for example, antibacterial, moisture-absorbing, functional or hydrophobic properties.
  • An antibacterial suture or antibacterial coating may include, for example, cyclodextrins, triclosan, chitosan, silver ions, silver particles, or quaternary ammonium compounds.
  • Hydrophobic suture materials or coatings may include, for example, fluorinated hydrocarbons.
  • Moisture-absorbing thread materials or coatings may include, for example, polyacrylic acid or other polymers or polymer blends which can absorb water and optionally form hydrogels.
  • Moisture absorbent materials may alternatively be inserted and / or incorporated into an existing conforming spacer fabric having permanent rebound properties as an alternative to their use, to absorb moisture within the conformed spacer fabric having permanent rebound properties, and thus, for example, the comfort of a sweaty user rests on a form-fitting spacer knitted fabric with permanent rebound properties, increase.
  • functional thread materials or coatings may include functional compounds and / or molecules that may be reactive with certain other compounds and / or molecules.
  • functional thread materials or coatings comprising compounds and / or molecules that selectively react with water, for example, the humidity within the entire conformed spacer fabric can be determined to have durable rebound properties.
  • functional thread materials or coatings may also include, for example, odor control molecules such as cyclodextrins.
  • both the thickness and the nature of the thread material affect the strength, the rebound properties, the load-bearing properties, the dimensional stability, the Pressure rigidity and / or compressive elasticity and the dimensional stability of the form-fitting spacer knitted fabric with permanent return properties.
  • all of the aforementioned properties of the conformed spacer knit having durable rebound properties can be individually, flexibly, and conveniently accommodated by varying the nature or thickness of the suture material in each region where the nature or thickness of the suture material differs from that of another region the user can be adjusted to ensure the highest level of comfort.
  • the thread material of the conformed spacer fabric may be a thermoplastic thread material.
  • a thermoplastic thread material is particularly well suited for the production of shape-matched spacer fabrics with durable return properties, since it initially softens under the influence of heat and can be deformed in the softened state so that it no longer assumes its original shape after cooling.
  • thermoplastic thread materials Through the use of thermoplastic thread materials, a particularly high dimensional stability or dimensional stability of the shape-matched spacer knits can be ensured with thereby variable permanent return properties.
  • a conformable spacer fabric of the present invention having durable rebound properties may comprise a single-ply or multi-ply knit fabric having durable rebound properties.
  • a multi-ply spacer fabric having durable return properties may, in particularly preferred embodiments of the invention, be multiple connected, for example, stitched, quilted, glued or in another way, for example, by buttons, slings, press studs, rice or Velcro fasteners or joints interconnected, single-layer spacer knitted fabric with permanent return properties include.
  • a multi-layered conforming spacer fabric of the invention having durable rebound properties may include a plurality of equally long and / or like joints, that is, regions having randomly returnable properties as compared to the directly adjacent regions of the conformed spacer fabric, optionally reduced to zero number of spacer threads per square centimeter Sections include those that are folded over each other.
  • folding a distance knitted fabric with permanent return properties which for example includes three 2 m long sections separated by joints ensteht a 2 m long three-ply spacer knitted fabric with permanent return properties, which can be brought by heat permanently in a desired shape largely corresponding form.
  • the length of the joints corresponds to at least the height of the spacer fabric with permanent return properties.
  • the individual layers can either remain connected via the joints or separated at the joints and sewn together, quilted, glued or connected in another way, for example by buttons, slings, push buttons, rice or Velcro fasteners.
  • a multi-ply spacer knitted fabric with permanent return properties comprises, for example, at least two, preferably at least between 2 and 50, more preferably 2 and 12 and most preferably at least between 2 and 6 interconnected single-ply knitted spacer fabrics with permanent return properties.
  • the interconnected single-ply spacer knitted fabric can be at the same and / or at opposite and / or at any angle, in particular a 90 degree angle, staggered arrangement can be used.
  • the single-ply knitted fabric having durable recovery properties can be bonded together, for example, by selective exposure to heat, which allows for local and limited fusion of the knitted fabric having durable recovery characteristics.
  • Such a form-fitting spacer fabric with permanent return properties which comprises a plurality of single-ply spacer knits with permanent return properties, in terms of thickness, the leadership of the spacer threads within a repeat and / or the base surface binding and / or the thread material used, and / or the structure of the Base areas and / or the number of spacer threads, in particular the number of spacer threads per square centimeter and / or the angle at which the Crossing spacer threads and / or converging and / or differentiating the formation of the joint, and / or the arrangement of the joints, in whole or in part, allows vertical variation of strength, rebound properties, load bearing properties, dimensional stability, compressive stiffness and / or to ensure compressive resilience and dimensional stability over part or all of the thickness of the conformed spacer fabric having durable recovery properties.
  • all of the aforementioned properties of the conformed spacer fabric having durable recovery properties can be achieved by using different single ply knit fabrics having durable return properties in each vertical region that conforms to a single ply knit fabric having durable return properties, which differs from another vertical fabric covered with another single ply knitted fabric Return characteristics differs, individually, flexibly and comfortably to the requirements of the user, in particular to desired return properties and / or load-bearing properties and / or to a point elasticity and / or strength and / or dimensional stability and / or dimensional stability, the compressive stiffness and / or compressive elasticity, adapted to ensure the highest possible comfort.
  • the properties of the shape-matched spacer knitted fabrics with permanent return properties can be varied horizontally both in the direction of manufacture and across, as well as vertically, by including the base surface weave and / or yarn material used and / or the structure of the base surface and / or the number of spacer threads, in particular Number of spacer threads per square centimeter and / or the angle at which the spacer threads intersect and / or converge, and / or modified the formation of the joints and / or the arrangement of the joints, in whole or in part of the form-fitting spacer knitted fabric with permanent return properties.
  • the areas which differ by certain properties may be of any shape and / or size.
  • the shape and size of the different areas can be the same or different. From these varied variations it follows that the shape-matched spacer fabrics according to the invention with permanent return properties can be individually, comfortably and flexibly adapted to the requirements of the user to ensure the highest possible comfort.
  • an area can be created whose aforementioned properties to the are adapted to be worn body part, so as to optimize the comfort.
  • the excellent air circulation in the form-fitting spacer knits with durable return characteristics makes it possible to increase the comfort once more.
  • a conformed spacer fabric of the present invention having durable rebound properties may include at least one sensor.
  • a sensor according to the invention is a device for measuring at least one specific physical quantity.
  • the sensors can be mounted within the conforming spacer fabric with permanent rebound properties or inserted as a probe from the outside into the conforming spacer fabric with durable rebound properties.
  • each functional thread of the thread material is a sensor which is part of the shape-matched spacer knit having durable return characteristics.
  • a functional thread material could comprise metallic filaments that serve as a thermocouple and have been incorporated into the conformable spacer fabric having durable rebound properties during manufacture and / or further processing.
  • at least one volume area at least in one base area and / or the spacer thread area consists of a large number of sensors that are part of the shape-matched spacer fabric with permanent return properties.
  • the sensors may trigger various visual or auditory alarms according to the user's needs, provide additional ventilation via at least one fan, or activate at least one pump to pump any detected fluid out of the conformable spacer fabric having durable rebound properties.
  • the sensors make it possible, for example, to determine the temperature, the humidity or the concentration of a specific substance in the shape-matched spacer knitted fabric with permanent return properties.
  • a plurality of sensors can also be used to carry out measurements of the abovementioned and / or other physical variables, optionally independently of one another, in different zones of the shape-matched spacer fabric with permanent return properties.
  • the zones of conformable spacer fabrics having durable return properties are any shape and size parts of the conformed spacer fabric having durable return characteristics in which measurements of at least one physical size are made by at least one sensor.
  • the number of zones is not limited.
  • the measurement within a zone can be done by one or more sensors, which determines one or more physical quantities.
  • the sensor (s) may also be connected to a data processing unit which also compares the data transmitted by the sensor (s) with setpoints at certain intervals.
  • the setpoint (s) and the distance in which the of the Sensor (s) transmitted values with the or the setpoint (s) are compared, can / can be easily and conveniently changed, for example, by changing the programming of the data processing unit. If a deviation of the measured value or of the measured values from the setpoint value or values is determined, the data processing unit initiates an action, for example the activation of at least one signal lamp and / or at least one signal horn and / or at least one heating element and / or at least one motor of a fan with or without heating and / or cooling element or varnishzu- or -abbald or a pump.
  • the extent of the action may be varied depending on the detected extent of the deviation of the measured value or the measured values from the desired value or the desired values.
  • the extent of the action possibly triggered by the data processing unit can be increased or decreased in steps or continuously as the deviation increases or decreases.
  • the volume of the signal horn generated by the horn and / or the luminosity of the signal lamp and / or the power of a heating element and / or the speed of the motor of a fan and / or a pump can be increased or decreased, if necessary, by the data processing unit deviations decrease or decrease.
  • the data measured by the sensor or sensors may optionally be stored in the data processing unit or otherwise in order to track the variation of one or more values in a given time interval, and optionally triggering a specific action in a particular course of increase or decrease in the measured value or values.
  • the temperature within the conformed spacer fabric having permanent rebound properties may be measured by at least one sensor in at least one zone.
  • the sensor (s) may also be wirelessly connected to a data processing unit, for example, which compares the data transmitted by the sensor (s) at certain programmed intervals with likewise programmed setpoint values. If a deviation of the measured value (s) from the set point (s) is detected, the data processing unit performs an action, for example the activation of at least one motor of a cooling or heating power fan and / or the activation of a heating element. By using this fan or these fans and / or heating element (s) and / or cooling element (s) s, the measured temperature values can be adjusted to the set point (s) again.
  • the action of the data processing unit can only take place if a deviation of the measured temperature values from the set point (s) by a specific limit value is determined, for example by at least 3 ° C.
  • the fan can be operated at a low speed at a deviation of 3 ° C downwards, which can be increased in steps or continuously, for example, based on the determined deviation of the measured temperature values to the set point (s), if the Deviation increases and in stages or can be continuously reduced again, if the deviation decreases.
  • the sensors may, for example, trigger various visual or auditory alarms according to the user's needs, add additional ventilation via at least one fan, activate a heating element or pump to pump any detected fluid out of the conformable spacer fabric with durable rebound properties.
  • the presence of a liquid within the conformable spacer fabric having durable recovery properties can be detected, for example, by measuring the moisture within the conformed spacer fabric having durable recovery characteristics.
  • the moisture within the shape-matched spacer knitted fabric with permanent return properties is measured by at least one sensor in at least one zone.
  • the sensor (s) may also be wirelessly connected to a data processing unit, for example, which compares the data transmitted by the sensor (s) at certain programmed intervals with likewise programmed setpoint values. If a deviation of the measured values from the setpoint values is detected, the data processing unit performs an action, for example the activation of at least one motor of a pump.
  • the appearance of a liquid within the conformed spacer fabric having durable recovery characteristics results in a sudden, possibly abrupt increase in measured moisture within the conformed spacer fabric having durable recovery characteristics.
  • Leakage of a liquid associated increase in moisture can be differentiated from, for example, caused by sweating increase in humidity and to cause either the activation of a fan or a pump, the data measured by the sensor (s), for example, with respect to moisture, if necessary in the data processing unit or otherwise cached to trigger a specific action in a particular course of increase or decrease in the measured values.
  • the motor of a pump can be activated since it can be assumed that a liquid has run into the shape-matched spacer fabric with permanent return properties.
  • the motor of a fan may be activated, since the observed increase in humidity is likely due to user sweating and insufficient moisture drainage.
  • the sensors may also analyze the chemical composition of the air or liquid and thereby discriminate in the presence of a fluid in the conforming spacer fabric with permanent rebound properties, for example, between blood, urine and sweat, and alert the user accordingly to, for example, a user to alert you to possible blood loss or to activate a pump that pumps out the urine.
  • a fluid in the conforming spacer fabric with permanent rebound properties for example, between blood, urine and sweat
  • the method for producing the shape-matched spacer knitted fabrics with permanent return properties comprises the manufacture, according to which at least one spacer knitted fabric with permanent return properties is heated and brought into a form which corresponds as far as possible to a desired shape.
  • the spacer fabric used with permanent rebound properties can have a number of spacer threads between 1 and 750 spacer threads per 2.54 square centimeter, preferably between 10 and 500 spacer threads per 2.54 square centimeter and particularly preferably between 1 and 250 per 2.54 square centimeter.
  • each spacer thread can thus be guided through the base areas and integrated into the base areas such that it describes within a repeat a curve in a shape which is approximated by the symbols I, X or V, or by the strings IXI, IVI, VXV, VXI or IXV.
  • the method comprises guiding each spacer thread through the bases and integrating them into the bases so as to describe, within a repeat, a curve in a shape approximated by String IXI can be described, heated and brought into a form largely corresponding to a desired shape.
  • the heating softens the spacer fabric used to make the fabric with permanent recovery properties.
  • the heating may for example be between 25 and 700 ° C, preferably between 30 and 400 ° C and more preferably between 150 and 250 ° C at a duration for example of between 0.001 and 36000 seconds, preferably between 0.001 and 3600 seconds, more preferably between 0.001 and 900 seconds.
  • the spacer knitted fabrics used for producing the shape-matched spacer knits with permanent return properties with permanent return properties can be deformed in the softened state so that they no longer independently assume their initial shape after cooling.
  • the method of making the conformable spacer fabric having durable recovery properties provides for easy adjustment of the spacer fabric used to make the conformable spacer fabric having durable recovery properties with durable return properties to a particular seat shape or to the ergonomic requirements of an application and / or user.
  • any part made of a spacer knitted fabric with permanent return properties can be one Padding can be adapted to the shape of a resting surface or, if appropriate, ergonomically adapted to the shape of the body part to be worn, thanks to the method for producing the shape-matched spacer knitwear with permanent return properties.
  • the spacer knits with permanent return properties can be deformed at specific points to produce the form-fitting knitted spacer fabric with permanent return properties by a specific heating.
  • the heating can take place punctually or comprehensively in different areas.
  • the areas that are heated may be of different shape or size. Due to the very flexible punctiform or in certain areas comprehensive deformation can produce an extremely large number of different shapes, which can therefore be adapted to almost any situation individually extremely well.
  • the spacer knitted fabrics used for producing the shape-matched spacer knitted fabrics having permanent return properties with permanent return properties after heating and softening are also brought into the desired shape, they are deformed in a shape that largely corresponds to the desired shape.
  • the spacer knitted fabrics used and produced for the production of the shape-matched spacer knitted fabrics with permanent return properties can be guided for example between at least two molded parts and subsequently deformed by the compression of the molded pieces.
  • the desired shape largely corresponding form may also consist of several parts, which are merged manually or mechanically.
  • a progressive deformation is avoided by a point or area-wide heating at different locations to achieve a predetermined shape.
  • the desired shape can be achieved by using one of the desired shape largely corresponding form usually in one or a few heating steps.
  • the spacer knitted fabrics used for producing the shape-matched spacer knitted fabrics with permanent return properties with permanent return properties can alternatively be heated by at least one heat carrier which is located at least partially in the mold or between the moldings.
  • a heat transfer medium is the substance or device which transfers the heat generated by a heating element to the spacer knitted fabric used to produce the conformed knitted fabric with permanent return properties with permanent return properties.
  • the heat carrier may also be the heating element itself.
  • the heat transfer medium can be liquid, gaseous or solid.
  • the solid heat transfer medium used in the process for producing the shape-matched spacer fabric with permanent return properties can also comprise a form that largely corresponds to the desired shape.
  • the parts of a nominal shape largely corresponding form are heated.
  • the spacer fabrics with permanent return properties used for the production of the shape-matched spacer knitted fabrics with permanent return properties are, for example, guided between at least two molded parts and then first deformed by the compression of the molded parts and then heated to the softening point.
  • the desired shape largely corresponding heat carrier can also consist of several parts, which are merged manually or mechanically. Thanks to the use of one of the desired shape largely corresponding heat carrier, for example, a progressive deformation by a point or area-wide heating at different locations to achieve a predetermined shape is superfluous.
  • the desired shape can be achieved by using one of the desired shape largely corresponding heat carrier mostly in a heating step.
  • One of the desired shape largely corresponding heat transfer medium also makes it possible to make the device for producing form-matched spacer fabrics with permanent return characteristics as simple as possible.
  • An adaptation of the heat carrier to a desired shape largely corresponding form is unnecessary. It is also a Shape deviation compared to the desired shape minimized, which can occur if the adaptation of the heat carrier to the shape corresponding to the desired shape is not optimal.
  • At least one further heat transfer medium can be used in the process for producing the shape-matched spacer knitted fabric with permanent return properties in addition to at least one solid heat transfer medium, which largely corresponds to a desired shape.
  • This further heat carrier can be a solid, a liquid or a gaseous heat carrier.
  • a liquid or gas may be employed in addition to at least one solid heat carrier to rapidly and conveniently heat the entire spacer fabric having permanent recovery properties used to make the conformed spacer fabric having permanent hemming properties to the softening point, as those used to make the patterned spacer fabric Retractable properties used with durable return properties for gases and liquids are very permeable.
  • a further solid heat carrier which is introduced, for example, from outside into a mold and / or which is fixedly mounted in a molded part.
  • the shape of the further heat transfer medium is designed so that it supports the heat transfer medium, which largely corresponds to a desired shape, to achieve the desired shape.
  • the size and shape of the heat transfer medium can be varied as desired.
  • the further or the further heat carrier also serve to enable the production of very complex desired shapes and to come as close as possible to an ideal target shape. This allows the comfort through more complex ergonomic molded form-fitting spacer knit fabric with lasting return properties can be further optimized.
  • portions of the spacer fabrics having permanent recovery properties used to make the conformed spacer fabric having durable recovery properties can not be deformed.
  • the non-deformation can be used specifically to improve the load bearing in certain areas of the shape-matched spacer knitted fabric with permanent return properties, since in non-deformed areas, the entire thickness of the shape-matched spacer knitted fabric with permanent return properties for load absorption is available. This ensures, for example, that body parts resting on a contoured spacer fabric having durable return properties can be supported at the desired locations by the entire thickness of the conformed spacer fabric with durable hopping characteristics, which optimizes comfort.
  • the desired shape largely corresponding shape or the desired shape largely corresponding heat transfer medium also consist of several parts, which are merged manually or mechanically.
  • One of the desired shape largely corresponding shape is also cooled selectively or in certain different and / or equal areas. Pointing means doing so at one or more different points.
  • the heat transfer medium which largely corresponds to the desired shape can be heated in this area and cooled directly next to it. This also makes it possible to tailor the production of the complex desired shapes, which further improves the comfort achievable by ergonomically shaped, shaped spacer knitted fabrics with permanent return properties.
  • the process may be extended by an additional step using the spacer fabrics having permanent recovery properties used to make the conformed spacer fabrics having durable recovery characteristics preheated to near the softening point before being finally heated to the softening point.
  • the preheating takes place in a dedicated device.
  • the device can not be used during the time required to reach the softening point.
  • the time to reach the softening point in the device can be greatly reduced.
  • the utilization of the device improves, and the method for producing the shape-matched spacer knitted fabric with permanent return properties can be carried out particularly time-saving.
  • the conformed spacer fabrics are cooled with durable recovery properties after fabrication.
  • the cooling can be done by a liquid, gaseous or solid material.
  • the cooling may be by a cold surface, a cold liquid, a cold gas, cold air or a mixture of these agents.
  • the cooling of the shape-adapted spacer fabrics which preferably have permanent elastic properties, after their production can be effected by immersion in water.
  • This allows the use of a cold liquid, a cold gas, cold air or a Mixture thereof for cooling the shape-matched spacer knit fabric a particularly quick and convenient cooling of the shape-matched spacer knitted fabric with permanent return properties after its production.
  • the shape-adapted spacer fabrics according to the invention with permanent return properties can include, for example, for producing a padding, including foam, in particular hot or cold foam polyurethane, polyether foam, latex and / or other solid and / or resilient optionally viscoelastic substances, preferably foams and / or other solid or resilient, optionally viscoelastic substances having a density between RG 5 and RG 150 and more preferably between RG 30 and RG 150 can be used.
  • foam in particular hot or cold foam polyurethane, polyether foam, latex and / or other solid and / or resilient optionally viscoelastic substances, preferably foams and / or other solid or resilient, optionally viscoelastic substances having a density between RG 5 and RG 150 and more preferably between RG 30 and RG 150 can be used.
  • the wide range of possible variations of the shape-matched spacer knitted fabrics with permanent return properties make it possible to adapt them to the foam (s) and / or other solid or resilient viscoelastic substances as
  • a shape-matched spacer fabric according to the invention with permanent return properties which comprises at least one part of foam and / or other optionally viscoelastic or resilient or resilient materials, allows a particularly simple production since parts of foam material (s) and / or other solid or resilient optionally viscoelastic materials convenient in any shape, especially in shapes that have rounded curves with tight radii can be cut out.
  • a shape-matched spacer fabric according to the invention with permanent return properties which comprises at least one part of foam and / or other solid or resilient optionally viscoelastic materials, a vertical variation of the strength and possibly in particular a vertically graded strength of the padding resulting from the combination. It is also possible to use at least one shape-matched spacer fabric according to the invention with permanent return properties, which comprises several parts of foam and / or other solid or resilient optionally viscoelastic substances.
  • a part of foam and / or other solid or resilient optionally viscoelastic materials which comprise the conforming spacer fabric (s) of the present invention having permanent rebound properties may also include a plurality of different foams and / or several others fixed or comprise resilient, optionally viscoelastic substances.
  • the foam (s) and / or other solid or resilient optionally viscoelastic materials comprising the conformable spacer fabric (s) of the present invention having permanent rebound properties may include air conditioning ducts exhibit. These air ducts allow for better air circulation within the upholstery, and in particular within the foam (s) and / or other solid or resilient optionally viscoelastic substances, which optionally have any shape and size.
  • the air conditioning ducts may comprise horizontally or vertically through the foam (s) and / or other solid or resilient optionally viscoelastic materials extending cylindrical channels, grooves or cuts, in particular S-shaped cuts.
  • both the foam (s) and the other solid or resilient optionally viscoelastic materials which comprise the conformable spacer fabric (s) having permanent rebound properties according to the invention may comprise a plurality of distinct regions have different properties and in particular different strengths or compression hardness.
  • Strength and compression hardness are used synonymously here.
  • Each of these areas can be of any shape and size. The strength of each area differs at least from the strength of an adjacent area. In addition, you can different areas include the same or different materials.
  • Shape-matched spacer knitwear with durable hopping properties as previously described varies horizontally with the strength of the various strength components oak of the part (s) of foam (s) and / or other solid or resilient optionally viscoelastic substances.
  • multi-layered shape-matched spacer fabrics according to the invention with permanent return properties may also comprise at least one part of foam material (s) and / or other solid or resilient optionally viscoelastic materials having different strength ranges. This results in additional possibilities, the strength horizontal and especially vertically even better to adapt to the needs of a user.
  • the division of the (if necessary) multilayer part (s) of spacer fabric (s) with permanent return properties which optionally have a plurality of regions with different properties, in particular different strengths, of the shape-matched spacer fabric (s) according to the invention having permanent return properties different areas with different properties, in particular a different strength with the division of / the part (s) of foam (s) and / or other solid or resilient optionally viscoelastic materials match.
  • any portion of the part (s) of foaming material (s) and / or other optionally viscoelastic substances may be passed through a corresponding area of the multi-layered part (s) of spacer fabric (s) having permanent rebound properties optionally have a plurality of regions with different strengths / have, of the form-fitting spacer knitted fabric (s) according to the invention are supported with permanent return properties in their function, which may be particularly uncomfortable strength differences can be reduced particularly effective.
  • the division of the / may be multi-layered part / parts of spacer fabric (s) with permanent return properties, which / may optionally several areas with different strengths / have, of / the invention shape-matched spacer fabric (s) with permanent return properties into different areas with different strengths from the division of the part (s) of foam (s) and / or other solid or resilient optionally viscoelastic materials differ.
  • the strength can be adapted in a particularly convenient and comprehensive manner to the requirements of a user, since areas with possibly different properties overlap due to a different design of the areas with different strengths.
  • the wide range of vertical and horizontal variations afforded by at least two spacer knitted fabrics having durable return properties, optionally formed in different parts and formed into a conformable knitted spacer fabric allow easy and fast adaptation of the strength, for example, to the strength of the fabric Foam parts or parts of other solid or resilient optionally viscoelastic materials to avoid unwanted and disturbing strength differences between different materials.
  • the shape-matched spacer knitted fabric with permanent return properties can be adapted to any desired shapes. This is particularly desirable when the part (s) of foam (s) and / or other solid or resilient optionally viscoelastic materials themselves have been deformed (eg thermoformed) for conformance.
  • the multi-layer part (s) of spacer fabric (s) having permanent return properties may optionally have / have multiple regions of different strengths, of the conforming spacer fabric (s) having durable return properties in a conformed to the shape of the part / parts of foam (s) and / or other solid or resilient optionally viscoelastic substances Sollform to fit accurately and, for example, without unpleasant fold folding, which in the cover of a In the form of adapted parts made of foam (s) and / or other solid or resilient, optionally viscoelastic materials with non-conforming spacer fabrics, hang up on these parts.
  • the shape of the shape-matched spacer fabrics according to the invention with permanent rebound properties, which one or more, if necessary multi-layer parts of spacer fabric (s) with permanent return properties, which optionally have several areas with different strengths, and at least one part of foam (s) and / / or other solid or resilient optionally viscoelastic substances, to some extent conform to a nominal shape without deforming the part (s) of foam (s) and / or other solid or resilient optionally viscoelastic substances.
  • a comfort-enhancing seating or reclining couch may be provided be formed by the use of one or more conformable spacer knitted fabrics with permanent return properties, without the part (s) of foam (s) and / or other solid or deformable optionally viscoelastic substances to deform.
  • conformable spacer fabrics having durable return properties allows to keep the foam part (s) and / or the part (s) of other solid or resilient optionally viscoelastic materials as small as possible, since these are no longer suitable for adaptation Example of padding needed to a desired shape.
  • the area fraction of such parts on a padded surface is, for example, less than 20%, preferably less than 15%, and most preferably less than 10% when using the shape-matched spacer fabric according to the invention with permanent return properties.
  • these parts are preferably arranged on the edge of the padded surface and / or in less stressed areas.
  • a conforming spacer fabric of the present invention may also comprise one or more portions of foam (s) and / or other optionally viscoelastic solid or resilient materials which will be wholly or partially enclosed by spacer knits having elastic recovery properties Such part of foam (s) and / or other solid or resilient materials may optionally be covered by viscoelastic material on one or both sides of knitted fabrics having durable return characteristics.
  • the part (s) of foam (s) and / or other solid or resilient optionally viscoelastic materials and the spacer fabric (s) having durable rebound properties may be stitched, quilted, adhered or otherwise bonded together, for example become.
  • At least one part of foam (s) and / or other solid or resilient optionally viscoelastic materials may also be wholly or partly enclosed by one or more spacer fabrics with permanent recovery properties by hot working.
  • a part of foam (s) and / or other solid or resilient optionally viscoelastic materials can be enclosed on both sides by hot-forming by approximately twice as large folded or two approximately as wide spacer fabric with permanent return properties.
  • the edges of the spacer fabric (s) having durable return properties can be thermally bonded together in the manufacture of the conformed spacer fabric having durable rebound properties comprising at least a portion of foam (s) and / or other optional or resilient viscoelastic fabrics .
  • one or more spacer fabrics may be intermingled by one or more spacer fabrics with permanent recovery properties by hot working the part (s) of foam (s) and / or other solid or resilient optionally viscoelastic substances and the / Spacer knit (s) with permanent rebound properties.
  • the part (s) of foam (s) and / or other optionally resilient or viscoelastic fabrics and spacer fabric (s) having durable return properties may, for example, still be sewn, quilted, bonded or otherwise Kind of being linked together.
  • stitching, quilting or other type of connection by means of threads the pattern used for sewing, quilting or connecting by means of threads, for example, smaller and / or larger rectangular and / or round and / or ellipsoidal and / or other geometric patterns may affect the return properties and strength or the load-bearing properties.
  • the shape-matched spacer fabrics according to the invention can be further and particularly extensively adapted to the needs of a user, since sewing, quilting or other type of connection by means of threads depending on the / the pattern used can arise areas that their return properties and strengths or differentiate the load bearing properties.
  • each individual conforming Abstansgewirk with permanent return properties which comprises at least one spacer knitted fabric with permanent return properties and at least one part of foam (s) and / or other solid or resilient optionally viscoelastic substances, for example between 10 mm and 1700 mm, preferably 80 mm and 540 mm, more preferably between 120 mm and 360 mm and most preferably between 140 mm and 300 mm thick.
  • each form-fitting spacer fabric according to the invention with permanent return properties and / or each of the parts of foam material (s) and / or other solid or resilient optionally viscoelastic materials may for example be between 10 mm and 1700 mm, preferably 80 mm and 540 mm, more preferably between 120 mm and 360 mm and most preferably between 140 mm and 300 mm.
  • shape-matched optionally multi-ply spacer knits of the invention having permanent rebound properties and those comprising a combination of at least one conformable spacer knit fabric having durable rebound properties with at least a portion of foam (s) and / or other solid or resilient optionally viscoelastic fabrics may also each comprise a removable and optionally Zippered cover made of natural and / or synthetic fibers.
  • the sheath may comprise an optionally abrasion resistant spacer fabric, and in particular a spacer fabric or spacer fabric.
  • the envelope may comprise a plurality of parts, which may then be connected to one another by connecting elements such as buttons, pushbuttons, hook and loop fasteners.
  • spacer fabric (s) with permanent return properties or a padding which is a combination of at least one shape-matched spacer fabric (s) with permanent return properties and at least one part of foam (s) and / or
  • the number of spacer threads may, for example, progressively, or in one or more stages up to the points and / or, in some or other stages up to the points and / or monofilaments not stinging, scratching or impairing a user in any other way or reduced to zero at the points where the cut is made.
  • the contouring itself is done by cutting, sawing, blasting, punching or combinations thereof and / or related processes usually after the production and / or finishing, for example, and often allows only the user-friendly use.
  • the contouring with fixed, expanding and / or oscillating blade or sawing systems and / or other controllable by a potentiometer or frequency jet (especially water, air or gas jet method) or ultrasonic method
  • the contouring at room temperature and / or be carried out at elevated and / or reduced temperature and / or even in the icing state.
  • the contouring can also be carried out at atmospheric pressure and / or negative pressure and / or overpressure.
  • the edge region of the cut-to-length cut-off knitted fabric (s) of the present invention may be durable Reclaim properties or upholstery comprising a combination of at least one conformable spacer fabric (s) having durable rebound properties and at least a portion of foam (s) and / or other solid or resilient optionally viscoelastic fabrics are also trimmed with a protective tape.
  • a protective tape in the sense of the present invention can be any tape which largely prevents a penetration of the separated or detached from a base spacer threads and / or monofilaments to the user.
  • the protective tape may comprise a film, a laminate or a textile tape which is preferably air and moisture impermeable.
  • the edge region of the cut-to-length conformed spacer fabric (s) having permanent return properties or upholstery used may comprise a combination of at least one conformed spacer fabric (s) having permanent rebound properties and at least a portion of foam (s) and / or other solid or resilient optionally viscoelastic materials, for example, sewn off with a single-layer or multi-ply band of a close-meshed textile, taped, quilted, connected by the action of heat or otherwise.
  • a tight mesh fabric tape can be used to protect a user from the impairments caused by spacer threads and / or monofilaments being severed in the margins of trimmed spacer fabrics or loosened by a base by forming a close-knit ribbon of textile covering the entire edge region the cut-to-size Abstandsgewirke and thus also covers the separated or detached from one of the base surfaces spacer threads, prevents leakage of the separated or detached from one of the base surfaces spacer threads.
  • the band of a close-meshed textile prevents the separated or detached from a base spacer threads can penetrate to the user, since they can not penetrate the tape of a close-meshed textile.
  • a close-meshed textile in the sense of the invention can be any textile which, due to a sufficient number of stitches per square centimeter, largely prevents a penetration of the separated or detached from a base spacer threads to the user.
  • the number of stitches needed per square centimeter depends on the properties of the spacer fabric (s) used and can vary with the thread thickness, the number of spacer threads per square centimeter, the thickness of the spacer knit, the thread material used and the structure of the bases.
  • a polyester microfibre fabric tape can be used to sew the edge portion of the tailored form-fitting spacer fabric (s) having durable return properties or padding, which is a combination of at least one conformed spacer fabric of the present invention (s) having durable rebound properties and at least part of foam (s) and / or other solid or resilient optionally viscoelastic substances.
  • the protective tape ensures with increasing thickness and / or increasing number of layers a further improved protection against by disconnected or detached from one of the base surfaces spacer threads outgoing impairments.
  • an increase in the thickness of the band of a close-meshed textile is preferably achieved by the use of a multi-ply tape of a textile, since an increase in the thickness of the thread with which the band of a close-meshed textile, although also to increase the Thickness of the textile leads, but with a smaller number of stitches per unit area and a greater gap between two threads of the textile is accompanied.
  • the different layers may differ in terms of the materials used or the properties.
  • the various textiles forming the multi-ply tape may differ in terms of the material used for manufacture, thread thickness, number of stitches per unit area and orientation of stitches for the best possible protection to separate or to ensure detached from one of the base surfaces spacer threads.
  • the width of the protective tape may be, for example, between 2 and 1800 mm, preferably between 12 and 1000 mm, more preferably between 40 and 500 mm and most preferably between 50 and 200 mm.
  • a U-shaped trimming may be used in which the protective tape, such as U lying on a leg, with its legs on the top and bottom of the contoured spacer fabric (s) of the invention with permanent return properties or the contoured padding, which rests on a combination of at least one shape-adapted spacer fabric (s) with permanent return properties and at least one part of foam (s) and / or other solid or resilient optionally viscoelastic substances.
  • the protective tape such as U lying on a leg, with its legs on the top and bottom of the contoured spacer fabric (s) of the invention with permanent return properties or the contoured padding, which rests on a combination of at least one shape-adapted spacer fabric (s) with permanent return properties and at least one part of foam (s) and / or other solid or resilient optionally viscoelastic substances.
  • the two legs of the U may be the same or different lengths and the same or different lengths on the top and bottom of the shape-matched spacer fabric (s) according to the invention having permanent return properties or the contoured padding comprising a combination of at least one conformed spacer fabric (s ) with permanent rebound properties and at least part of foam (s) and / or other solid or resilient viscoelastic substances where applicable.
  • a U-shaped trimming is particularly easy to make because a portion of the protective tape is sufficient to cover both sides of the spacer fabric. As a result, the edging can be done very efficiently just time-saving and with the least possible effort.
  • the side of the protective tape used for trimming in a special embodiment of the invention can be the side of the form-fitting spacer fabric (s) with permanent return properties facing the entire surface or partially with silicone or a fluorine-containing material, in particular with a Are fluoropolymer coated or also over the entire surface or partially have a different coating, which reduces the surface energy and / or optionally leads to an effect comparable to the lotus effect.
  • the coated surface can be adapted in each case to the length of the separated or detached from a base spacer yarns and / or monofilaments and / or the height of the form-matched spacer knitted fabric (s) with permanent return properties.
  • contour of the conformable spacer fabric (s) of the invention having permanent rebound properties or contoured padding which is a combination of at least one conformed spacer fabric (s) having permanent rebound properties and at least one portion of foam (s) and / or other solid or resilient
  • contoured padding which is a combination of at least one conformed spacer fabric (s) having permanent rebound properties and at least one portion of foam (s) and / or other solid or resilient
  • the protective tape may in certain embodiments of the invention alternately on its two longitudinal sides, laterally opposite each other but offset from one another, have incisions which at an angle of between 1 to 90 °, preferably 10 ° and 80 °, more preferably 20 ° and 70 ° are arranged to the longitudinal axis of the protective tape.
  • the length of the incisions may vary and, like the width of the protective tape, depends in particular on the overall height of the optionally multi-layered form-matched spacer fabric (s) having permanent return properties or the contoured padding comprising a combination of at least one conformed spacer fabric (s) according to the invention permanent rebound properties and at least part of foam (s) and / or other solid or resilient optionally viscoelastic substances.
  • the incision depth and the angle of the incisions to the longitudinal axis of the protective tape can be varied as desired and adapted to the contour.
  • the incisions ensure that the folding of the protective tape in the areas in which the form-fitting spacer fabric (s) with permanent return properties or the contoured padding according to the invention, a combination of at least one shape-adapted spacer fabric (s) with permanent return properties and at least one Part of foam (s) and / or other solid or resilient optionally viscoelastic materials comprises, has narrow radii, reduced or prevented.
  • Fig. 1 to Fig. 3 are schematic representations of exemplary embodiments of the structures of the bases.
  • Fig. 1 shows a textile fabric with an open structure, which can serve as a base.
  • the usable as a base textile fabric is not interrupted in this case and has honeycomb-shaped openings.
  • Fig. 2 also shows a textile fabric with an open structure, which can serve as a base.
  • the usable as a base textile fabric is not interrupted in this case and has mostly almost elliptical openings. Wavy webs extend between these openings and are connected by four threads before and after each opening.
  • Both textile knitted fabric allow in the case of their use as bases a certain sinking, for example, a resting on the surface body part. This can possibly contribute to the optimization of comfort.
  • Fig. 3 shows a plan view of a section of a shape-matched spacer knitted fabric with permanent return properties.
  • the dark areas are parts of the underlying ground surface, which are visible through a multitude of interruptions in the overhead ground area.
  • the bases are different.
  • the overhead base has an open and net-like structure with different sized square openings.
  • the underlying base is designed throughout and has a closed structure largely without openings.
  • the spacer fabric may also have a plurality of joints that facilitate bending and / or buckling.
  • the interruptions in the overhead surface still facilitate bending and / or buckling along the joints.
  • Such a configuration, in which one of the two base surfaces has interruptions makes it possible, for example, to change the dimensional stability of the spacer fabric specifically in the areas of the interruptions, and also allows easy curling of the shape-matched spacer fabric with permanent return properties.
  • Fig. 4 to 7 provide exemplary parallel to the manufacturing direction possible cross sections of in Fig. 3 shown section of a form-fitting spacer knitted fabric with permanent return properties.
  • a guide of the spacer threads is shown, in which each spacer thread of the spacer fabric is guided through the base surfaces and integrated into the base surfaces so that it describes within a repeat a curve in a shape which can be approximately described by the sign V.
  • each spacer thread of the spacer knitted fabric is guided through the base areas and integrated into the base areas so that within a repeat it describes a curve in a shape which can be approximately described by the symbol I.
  • each spacer thread of the spacer knitted fabric is guided through the base areas and integrated into the base areas in such a way that it describes within a repeat a curve in a shape that can be approximately described by the character string IXI.
  • the shape-matched spacer knitted fabric having durable rebound properties also has a plurality of joints in the direction of manufacture. In the area of the joints, the number of spacer threads is reduced to zero.
  • Such a configuration of the spacer knitted fabric with permanent return properties makes it possible, for example, to modify the dimensional stability and the strength of the shape-matched spacer knit fabric with permanent return properties in the areas of the joints in a targeted manner, and also enables the form-fitting knitted spacer knit fabric to be easily rolled up with lasting return properties.
  • FIG. 4 schematically illustrates exemplary corner views of the conformed spacer fabric having durable hemming features having two base surfaces with a closed structure.
  • FIG. 12 illustrates a corner view of a spacer fabric in which each spacer thread of the spacer fabric is passed through the bases and incorporated into the bases so as to describe within a repeat both in the direction of manufacture and across a curve in a shape approximated by the string IXI can be described.
  • the angle of the intersecting spacer threads in the direction of manufacture and across is different.
  • FIG. 12 illustrates a corner view of a spacer fabric in which each spacer thread of the spacer fabric is passed through the bases and bonded to the bases so as to describe, within a repeat, both in the direction of manufacture a curve in a shape approximated by the character string IXI transverse to the direction of manufacture however, can be described by the character I.
  • Fig. 10 represents a corner view of a spacer knit fabric in which each spacer thread of the spacer knitted fabric is guided through the bases and so integrated into the base surfaces, that he within a repeat while in
  • Manufacturing direction describes a curve in a shape that can be approximately described by the character X, but can be described transversely to the manufacturing direction by the character I.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)

Claims (10)

  1. Procédé de fabrication d'un tricot d'écartement adapté à une forme possédant des propriétés de retour élastique durables, dans lequel un tricot d'écartement à mettre dans une forme théorique souhaitée est chauffé, dans le tricot d'écartement, chaque fil d'écartement étant guidé à travers les surfaces de base et imbriqué dans celles-ci de telle sorte qu'à l'intérieur d'une séquence de points il décrit une courbe avec une allure qui
    -- peut être décrite par les signes I, X ou V, ou
    -- peut être décrite par les suites de signes IXI, IVI, VXV, VXI ou IXV,
    caractérisé en ce que le tricot d'écartement est mis en forme dans une forme théorique correspondante, la forme
    -- étant chauffée dans un domaine pour changer la forme du tricot d'écartement et
    -- étant refroidie dans un domaine pour ne pas changer la forme du tricot d'écartement.
  2. Procédé selon la revendication 1 caractérisé en ce que la forme présente au moins deux parties de forme et que le changement de forme est effectué par compression des parties de forme et chauffage du tricot d'écartement jusqu'au point de ramollissement du matériau constituant le fil.
  3. Procédé selon les revendications 1 ou 2 caractérisé en ce qu'au moins un caloporteur utilisé lors du chauffage et de la mise en forme est de forme solide.
  4. Procédé selon la revendication 3 caractérisé en ce que lors de la mise en forme par la chaleur, des caloporteurs utilisés constituent la forme.
  5. Procédé selon l'une des revendications de 2 à 4 caractérisé en ce qu'au moins un caloporteur se trouve entre les parties de forme.
  6. Procédé selon l'une des revendications de 3 à 5 caractérisé en ce que, lors de la mise en forme par la chaleur, en plus de la forme servant de caloporteur solide, au moins un caloporteur supplémentaire est employé.
  7. Procédé selon la revendication 6 caractérisé en ce que le caloporteur supplémentaire est sous forme solide, liquide ou gazeuse.
  8. Procédé selon l'une des revendications de 1 à 7 caractérisé en ce que le tricot d'écartement adapté à une forme est refroidi après sa fabrication.
  9. Procédé selon l'une des revendications de 1 à 8 caractérisé en ce que le refroidissement est effectué par une substance sous forme solide, liquide ou gazeuse.
  10. Procédé selon l'une des revendications de 1 à 9 caractérisé en ce que le tricot d'écartement est préchauffé dans un dispositif séparé jusqu'aux environs du point de ramollissement du matériau constituant le fil.
EP06762193A 2005-06-24 2006-06-26 Procede de fabrication de tricots D'ECARTEMENT ADAPTES A une FORME Active EP1910597B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005029755A DE102005029755A1 (de) 2005-06-24 2005-06-24 Formangepasste Abstandsgewirke und Verfahren zu ihrer Herstellung
PCT/EP2006/006153 WO2006136456A1 (fr) 2005-06-24 2006-06-26 Maillages d'ecartement adaptes a la forme, et procede pour leur production

Publications (2)

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EP1910597A1 EP1910597A1 (fr) 2008-04-16
EP1910597B1 true EP1910597B1 (fr) 2012-05-02

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AT (1) ATE556165T1 (fr)
DE (2) DE102005029755A1 (fr)
WO (1) WO2006136456A1 (fr)

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Also Published As

Publication number Publication date
EP1910597A1 (fr) 2008-04-16
ATE556165T1 (de) 2012-05-15
WO2006136456A1 (fr) 2006-12-28
DE102005029755A1 (de) 2006-12-28
DE202006020794U1 (de) 2010-02-25

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