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EP1055759A1 - Procédé et machine pour la production d'une bande d'un non-tissé de fibres naturelles - Google Patents

Procédé et machine pour la production d'une bande d'un non-tissé de fibres naturelles Download PDF

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Publication number
EP1055759A1
EP1055759A1 EP99110062A EP99110062A EP1055759A1 EP 1055759 A1 EP1055759 A1 EP 1055759A1 EP 99110062 A EP99110062 A EP 99110062A EP 99110062 A EP99110062 A EP 99110062A EP 1055759 A1 EP1055759 A1 EP 1055759A1
Authority
EP
European Patent Office
Prior art keywords
fleece
fleeces
fibers
melting point
nonwovens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99110062A
Other languages
German (de)
English (en)
Other versions
EP1055759B1 (fr
Inventor
Walter Dipl.-Ing. Maier
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.)
Mitsubishi Chemical Advanced Materials Composites AG
Original Assignee
Symalit AG
J J Marx Vlies GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Symalit AG, J J Marx Vlies GmbH filed Critical Symalit AG
Priority to EP99110062A priority Critical patent/EP1055759B1/fr
Priority to AT99110062T priority patent/ATE245721T1/de
Publication of EP1055759A1 publication Critical patent/EP1055759A1/fr
Application granted granted Critical
Publication of EP1055759B1 publication Critical patent/EP1055759B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/55—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4266—Natural fibres not provided for in group D04H1/425
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/544—Olefin series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics

Definitions

  • the invention relates to a method for producing a mat from a natural fiber fleece, which contains thermoplastic fibers, and at least one further fleece Plastic fibers; and a machine for performing the method.
  • the invention has for its object to a method for producing a mat create that is simple in its process and a secure connection of the individual fleeces with each other. No adhesives or other aids should be used become. Needling of the layers should also be avoided. There is also the Task to design a machine to carry out the process.
  • the problem is solved achieved according to the invention in that the prefabricated nonwovens together one or fed several heat sources continuously and immediately to the heating are then passed between press rolls.
  • the prefabricated nonwovens are continuously fed to the heating and the press rolls, the heating and the pressure of the press rolls are such that only a connection between the Surfaces of the fleeces are made.
  • the fleeces are continuously pulled off of fleece winding rolls and fed to the heat source. As soon as a fleece is unwound from the winding roll, its end will be at the beginning of the Fleece connected to a change roller and an interruption of the continuous Procedure avoided.
  • the nonwovens are needled onto their winding rolls before being rolled up, resulting in a firm one Compound of fibers leads.
  • the natural fiber blend contains thermoplastic fibers with a low Melting point, while the or the plastic fiber fleece made of thermoplastic fibers different, i.e. lower and higher, melting point exist.
  • the heat source is preferably oriented so that it faces the mutually facing Nonwoven sides act directly. This ensures that only the on by heating the surface of the nonwovens thermoplastic fibers with low Melting point are melted and form a connection with each other. All other Thermoplastic fibers remain unchanged and only become higher with the later ones Temperatures and pressures fused plastic deformation.
  • Polypropylene fibers are used as fibers with a low melting point and as fibers with higher melting point polyester fibers and / or polyacrylic fibers used.
  • Hot air is preferably used as the heat source.
  • the hot air is on the Inflated fleece surfaces at a temperature of approx. 600 ° C. In doing so immediately in front of the press rolls the fleece is heated superficially by the press rolls are pressed together, so that the softened fibers of the nonwovens with each other can connect.
  • the nonwovens are processed with the same edge, i.e. equal to the edge Heat source are supplied.
  • the edge trimming of the Matt waste is avoided or kept to a minimum. At the It is best if the necessary edge trimming is done on the fleeces Their connection with each other takes place, since this makes the waste generated more uniform Structure are, depending on the type of fleece, and can be easily recycled. The waste is at added to the nonwoven production.
  • the mat is rolled up into a roll. If necessary, you can also use slitters are used and the mat is divided into smaller rolls of predetermined width.
  • the machine for performing the method consists essentially of Roll holders for the nonwovens, a pair of press rolls arranged at a distance from it with heat sources located directly in front of it between the fleeces and a winding device for the finished mat.
  • the roll holders allow a continuous Deduction of the fleeces from the rolls on which they are delivered.
  • the surfaces of the fleeces become those necessary for the fibers Softening temperature is heated and the press rolls practice the connection of the nonwovens required contact pressure.
  • the term heat source is generally understood to mean it any facilities, e.g. ultrasonic devices are also used, which soften the fibers.
  • Guide rollers for the individual nonwovens are provided in front of the press rolls. The roles keep the fleeces apart so that they only pass through the roller during the pressing process be brought together. Just before that is the heating zone. That is necessary for the melted fibers not prematurely before the bonding process between the rollers cooling down.
  • a pair of draw rollers is connected downstream of the press rollers. They have the task of the fleeces pull evenly from the fleece rolls through the nip of the press rolls through it.
  • the heat source is one at a time in series arranged slot nozzles formed with heating device.
  • the slot nozzles close tightly to each other and the entire width of the fleece is recorded.
  • the air gets through the nozzles a compressed air line supplied.
  • One row of nozzles is between two fleeces provided and the nozzle slots are directed to the place where the two fleeces meet.
  • the air is heated at the nozzle connection points between the Nozzles and the air duct. It is of course also conceivable to heat the air in front of the Entry into the distribution line.
  • heating the air in front of the nozzles has the advantage of being more uniform Heating up.
  • Edge cutters can be used to achieve a straight edge of the mat. So that the waste is simply added to the Nonwoven raw materials can be recycled, it is beneficial if the individual Fleece edge cutters in front of the press rolls can be assigned. The accruing Waste is then very uniform and can be added to the carding machine.
  • the mat produced by the process is characterized by a natural fiber fleece Natural fibers and synthetic fibers with a low melting point as the middle layer, that of two Plastic fleece from plastic fibers with low and high melting point as Outer layers is covered. Since in the present method only those to the connecting surfaces of the nonwovens existing plastic fibers with low When the melting point is softened, the fibers inside the fleece remain unchanged. Only the sides of the fleeces facing each other are softened by the low-melting plastic fibers connected together.
  • the process can of course also be used for mats with a different structure getting produced.
  • foils can also be incorporated.
  • Rolls 1 through 6 are nonwoven rolls, such as they are delivered.
  • the fleeces 7, 8 and 9 are drawn off from these rolls 1 to 6 and the press rolls 10 and 11 fed.
  • the upper fleece 7 is a plastic fleece
  • the middle one Fleece 8 is a natural fiber fleece
  • the fleece 9 is again a plastic fiber fleece.
  • Between each two fleeces 7 and 8 or 8 and 9 are two in front of the press rolls 10 and 11 Heat sources 12 and 13 arranged.
  • the Fleeces 7 through 9 are compressed by the press rolls 10 and 11, creating a good one Connection between the fleece surfaces occurs.
  • the fleeces 7 to 9 and the ones from them formed mat 14 are pulled by the pull rollers 15 and 16.
  • the finished mat 14 will wound up into roll 17 and made available for further transport.
  • the double fleece winding rolls 1, 2; 3, 4 and 5, 6 indicate that a flying change of Rolls 1 through 6 takes place.
  • the fleece end becomes one the rolls 2, 4, 6 connected to the fleece beginning of the associated roll 1, 3 and 5, so that the deduction can continue indefinitely.
  • the Transfer stations 18, 19 and 20 are provided for the connection of the fleece ends.
  • the fleece ends are sewn together here.
  • the roll holders 30 are also double and allow a quick change of Fleece rolls 1 to 6 too.
  • An edge cutter 21, 22, 23 is assigned to each fleece 7, 8 and 9. This will make the exact width of the fleeces 7 to 9 is determined.
  • the nonwovens 7, 8, 9 are the press roll nip fed between the two pressure rollers 10 and 11. A low tension holds the Nonwovens in the given position.
  • the fleeces 7, 8, 9 are needled and form a relative firm bond.
  • the heat sources 12, 13 are hot air slot nozzles with heating devices (see FIGS. 2 and 3). Compressed air is supplied to the nozzles via the fan 27 and a compressed air line 28.
  • the press roll area is shown enlarged.
  • the natural fiber fleece 8 is about inserted horizontally between the press rolls 10 and 11. Be from above and from below the plastic fiber fleeces 7 and 9 brought up.
  • the natural fiber fleece 8 is considerably thicker than the plastic fiber fleeces 7 and 9.
  • Hot air is applied to the inner surfaces 34 to 37 of the fleeces 7, 8 via the slit nozzles 32 and 33 and 9 blown, in the area immediately in front of the nip 42.
  • the Air is fed through the compressed air line 28 to the distributor lines 38 and 39 and from distributed there to the individual slot nozzles 32, 33.
  • Each slot nozzle 32, 33 is with a Heating device 40, 41 provided.
  • FIG. 3 shows a top view of the area according to FIG. 2.
  • the compressed air line 28 becomes compressed air supplied to the distributor line 38. From the distributor line 38, the individual slot nozzles 32 fed. The air is heated in front of the Slot nozzles 32 attached heaters 40. Behind the roller 10, in Seen direction of movement of the nonwovens, is a cutting bar 42, which is used to divide the Painted 14 in four equal paths.
  • the middle layer 50 mainly consists of natural fibers, e.g. Kenaf, hemp, flax, jute and sisal, in which polypropylene fibers are embedded.
  • the two outer layers 51 and 52 are made of the fleeces 7 and 9 formed and consist of polyester and polypropylene fibers. On the to the left of the figure are the outer layers 51 and 52 just before connection to the Middle layer 50 shown. The hot air causes only the polypropylene fibers in the Fleece surfaces 34, 35, 36, 37 are softened and bonded together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
EP99110062A 1999-05-22 1999-05-22 Procédé et machine pour la production d'une bande d'un non-tissé de fibres naturelles Expired - Lifetime EP1055759B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP99110062A EP1055759B1 (fr) 1999-05-22 1999-05-22 Procédé et machine pour la production d'une bande d'un non-tissé de fibres naturelles
AT99110062T ATE245721T1 (de) 1999-05-22 1999-05-22 Verfahren und maschine zur herstellung einer matte aus einem naturfaservlies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99110062A EP1055759B1 (fr) 1999-05-22 1999-05-22 Procédé et machine pour la production d'une bande d'un non-tissé de fibres naturelles

Publications (2)

Publication Number Publication Date
EP1055759A1 true EP1055759A1 (fr) 2000-11-29
EP1055759B1 EP1055759B1 (fr) 2003-07-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99110062A Expired - Lifetime EP1055759B1 (fr) 1999-05-22 1999-05-22 Procédé et machine pour la production d'une bande d'un non-tissé de fibres naturelles

Country Status (2)

Country Link
EP (1) EP1055759B1 (fr)
AT (1) ATE245721T1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1714772A1 (fr) * 2005-04-20 2006-10-25 Quadrant Plastic Composites AG Produit intermédiaire composite thermoplastique
DE102008032274A1 (de) * 2008-07-09 2010-01-14 Witex Flooring Products Gmbh Verfahren zur Herstellung von Bauplatten
EP1812264B1 (fr) 2004-11-06 2016-06-08 Röchling Automotive SE & Co. KG Element de revetement acoustique pour un vehicule
CN116638850A (zh) * 2023-06-25 2023-08-25 上海花画无纺布科技有限公司 一种无纺布生产用压合设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10319967A1 (de) 2003-05-05 2004-11-25 Quadrant Plastic Composites Ag Faservlies-Verbundelement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814846A1 (de) * 1977-04-07 1978-10-19 Nordifa Industritextilier Fasson-filz und verfahren zu seiner herstellung
DE19541524C1 (de) * 1995-11-08 1997-02-27 Reifenhaeuser Masch Verfahren zur Herstellung einer Verbundbahn aus thermoplastischem Kunststoff
DE19602551C1 (de) * 1996-01-25 1997-08-07 Asglawo Gmbh Stoffe Zum Daemme Matte für die Herstellung selbsttragender Formteile durch Warmumformung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814846A1 (de) * 1977-04-07 1978-10-19 Nordifa Industritextilier Fasson-filz und verfahren zu seiner herstellung
DE19541524C1 (de) * 1995-11-08 1997-02-27 Reifenhaeuser Masch Verfahren zur Herstellung einer Verbundbahn aus thermoplastischem Kunststoff
DE19602551C1 (de) * 1996-01-25 1997-08-07 Asglawo Gmbh Stoffe Zum Daemme Matte für die Herstellung selbsttragender Formteile durch Warmumformung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1812264B1 (fr) 2004-11-06 2016-06-08 Röchling Automotive SE & Co. KG Element de revetement acoustique pour un vehicule
EP1714772A1 (fr) * 2005-04-20 2006-10-25 Quadrant Plastic Composites AG Produit intermédiaire composite thermoplastique
WO2006111037A1 (fr) * 2005-04-20 2006-10-26 Quadrant Plastic Composites Ag Materiau composite pouvant etre traite de façon thermoplastique
DE102008032274A1 (de) * 2008-07-09 2010-01-14 Witex Flooring Products Gmbh Verfahren zur Herstellung von Bauplatten
CN116638850A (zh) * 2023-06-25 2023-08-25 上海花画无纺布科技有限公司 一种无纺布生产用压合设备
CN116638850B (zh) * 2023-06-25 2023-12-19 上海花画无纺布科技有限公司 一种无纺布生产用压合设备

Also Published As

Publication number Publication date
ATE245721T1 (de) 2003-08-15
EP1055759B1 (fr) 2003-07-23

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