WO2018066565A1 - 経編地 - Google Patents
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- WO2018066565A1 WO2018066565A1 PCT/JP2017/036001 JP2017036001W WO2018066565A1 WO 2018066565 A1 WO2018066565 A1 WO 2018066565A1 JP 2017036001 W JP2017036001 W JP 2017036001W WO 2018066565 A1 WO2018066565 A1 WO 2018066565A1
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- WIPO (PCT)
- Prior art keywords
- knitted fabric
- elastic yarn
- warp
- synthetic fiber
- heel
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- 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.)
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- 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
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/18—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating elastic threads
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- 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
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
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- 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
- D04B21/20—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 specially adapted for knitting articles of particular configuration
- D04B21/207—Wearing apparel or garment blanks
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- 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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
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- 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
- D10B2403/01—Surface features
- D10B2403/011—Dissimilar front and back faces
- D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
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- 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
- D10B2501/00—Wearing apparel
- D10B2501/02—Underwear
Definitions
- the present invention relates to a warp knitted fabric obtained by knitting cellulose fibers and elastic yarns, which is excellent in cooling feeling when worn in a hot environment.
- Patent Document 1 shows a knitted fabric that makes it difficult to feel stuffiness by knitting cellulose fibers and eliminates the feeling of stickiness and wetness caused by sweat when sweating.
- various techniques have been shown for circular knitting, but for warp knitting, the loop structure is unique, so curling tends to occur particularly on the knitted fabric, and cellulose fibers are knitted together.
- No such garment that can be used with the warp knitted fabric being cut has been seen so far, and Patent Document 1 discloses a specific embodiment for warp knitting in which cellulose fibers and elastic yarns are knitted. Absent.
- the problem to be solved by the present invention is that in a warp knitted fabric in which cellulose fibers and elastic yarns are knitted, the stretch property is excellent, and the cooling feeling when worn is excellent. It is to provide a warp knitted fabric that can be trimmed without curling. Such tricots can be sewed on clothes such as innerwear, sportswear, etc., so that they can be made into clothes that do not feel sticky or stuffy even when they are worn in a hot environment such as in summer or when they sweat.
- the present inventors have arranged a synthetic fiber on the front side, a cellulose fiber on the middle side, and a backside in a tricot knitting machine having three sheets.
- a warp knitted fabric obtained by knitting cellulose fibers knitted with elastic yarns arranged on the heel
- the above-mentioned problem is achieved by setting the intersection of the synthetic fiber sinker loop and the elastic yarn sinker loop to a specific range.
- the present inventors have found out what can be done and have completed the present invention. That is, the present invention is as follows.
- the number of intersections of the synthetic fiber sinker loops across the wales present in one complete course and the elastic yarn sinker loops is the number of intersections of the synthetic fibers across the wales present in the one complete course.
- the warp knitted fabric characterized in that the ratio to the number of sinker loops is 50% or less.
- the warp knitted fabric according to [1], wherein the knitted structure of the synthetic fiber derived from the first fold is a denby structure or a cord structure.
- the first kite is a front kite
- the second kite is a middle kite
- the third kite is a back kite
- the first kite is a front kite
- the warp knitted fabric according to any one of [1] to [6], wherein the second heel is a back heel and the third heel is a middle heel.
- the knitted structure of cellulose fibers derived from the second fold is a structure in which looping and insertion are repeated, and any one of [1] to [3], [5], and [6] Warp knitted fabric.
- Runner ratio Runner length of synthetic fiber derived from the first wrinkle / runner ratio represented by runner length of cellulose fiber derived from the second wrinkle is 1.7 to 3.5, [1 And a warp knitted fabric according to any one of [5] to [8].
- the knitted fabric produced by a 28-32 gauge warp knitting machine can be made into a garment that can be cut without curling of the knitted fabric cutting portion.
- the preferable organization chart of the synthetic fiber of this embodiment It is an example of the preferable organization chart of the synthetic fiber of this embodiment. It is an example of the preferable organization chart of the synthetic fiber of this embodiment. It is an example of the preferable organization chart of the elastic yarn of this embodiment. It is an example of the preferable organization chart of the elastic yarn of this embodiment. It is an example of the preferable organization chart of the elastic yarn of this embodiment. It is an example of the preferable organization chart of the elastic yarn of this embodiment. It is an example of the preferable organization chart of the elastic yarn of this embodiment. It is an example of the preferable organization chart of the elastic yarn of this embodiment. It is an example of the preferable organization chart of the cellulose fiber of the embodiment of the present invention. It is an example of the preferable organization chart of the cellulose fiber of the embodiment of the present invention.
- the warp knitted fabric of the present embodiment is a warp knitted fabric knitted with synthetic fibers derived from the first folds, cellulose fibers derived from the second folds, and elastic yarns derived from the third folds,
- the ratio of the number of intersections where the sinker loop of the synthetic fiber and the sinker loop of the elastic yarn cross between the wales existing in one complete course constituting the warp knitted fabric to the number of one complete course is 50% or less It is characterized by being. Since the warp knitted fabric of this embodiment has these characteristics and is excellent in cooling feeling when worn, it can be provided as a garment that has excellent cooling feeling when worn in a hot environment.
- cellulose fibers include, but are not limited to, regenerated cellulose fibers such as rayon, cupra and bamboo fibers, and long fibers of natural cellulose fibers such as silk.
- the fiber thickness is 30 to 90 dtex (decitex: the same applies hereinafter).
- the synthetic fibers include, but are not limited to, polyester fibers such as polyester and polytrimethylene terephthalate, polyamide fibers, and synthetic fibers such as polypropylene. These bright yarns, semi-dal yarns, full-dal yarns, and the like can be arbitrarily used.
- the cross-sectional shape of the fiber can also be a fiber having an arbitrary cross-sectional shape such as a round shape, an elliptical shape, a W-shape, a saddle shape, and a hollow fiber.
- crimped yarns such as twist can be used, it is preferable to use raw yarns with excellent cooling feeling. Further, it can be used as a composite yarn in which two or more kinds of fibers are mixed by twisting yarn, covering, air blending or the like.
- These synthetic fibers can have a thickness of 20 to 110 dt.
- the elastic yarn examples include, but are not limited to, polyurethane-based and polyetherester-based elastic yarns.
- the polyurethane-based elastic yarn dry spinning or melt spinning can be used, and the polymer and the spinning method are not particularly limited. It is preferable that the breaking elongation of the elastic yarn is about 400% to 1000%, has excellent stretchability, and does not impair the stretchability around the normal processing temperature of 180 ° C. in the presetting process during dyeing.
- an elastic yarn provided with functionality such as high setting property, antibacterial property, moisture absorption, water absorption, etc. by adding a special polymer or powder to the elastic yarn can also be used.
- the elastic yarn can contain an inorganic material, and the knitted fabric can take into account the performance of the contained inorganic material.
- an elastic yarn excellent in thermal conductivity is obtained, and a knitted fabric excellent in contact cooling feeling can be manufactured by manufacturing the knitted fabric.
- the simplest method for adding an inorganic substance to the elastic yarn is to add an inorganic substance to the spinning solution of the elastic yarn and spin it.
- the inorganic substance examples include inorganic compounds having excellent thermal conductivity, such as ceramics such as titanium oxide, and a fine powder form that does not interfere with spinning of the elastic yarn is preferable.
- These inorganic materials are preferably contained in the elastic yarn in an amount of 1 to 10% by weight.
- the knitted fabric can be improved in cooling performance.
- the content of the inorganic material is too small, The effect is small, and if it is too much, the yarn may break during spinning or stretching, so the content is preferably 1 to 10% by weight, more preferably 2 to 5% by weight.
- the present embodiment is a warp knitted fabric knitted with three pieces of cocoons of two types of non-elastic yarns of a first cocoon synthetic fiber and a second cocoon cellulose fiber and a third cocoon elastic yarn.
- the knitting structure is not particularly limited, and any of the first folds, the second folds, and the third folds can be an arbitrary structure, but the synthetic fiber of the first fold is a front fold, It is preferable that the surface of the knitted fabric is knitted with a smooth denby structure or cord structure, and more preferable is a knitted structure with a four-course atlas structure rich in stretchability.
- the elastic yarn of the third heel is a back heel or a middle heel
- the elastic yarn of the first heel is a denby structure or a cord structure
- one complete course is knitted with a knitting structure having four or more courses.
- the synthetic fiber of the first ridge is a four-course atlas structure, a denby structure is preferable.
- the warp knitted fabric of the present embodiment is intended to provide a warp knitted fabric that is excellent in stretchability and has a feeling of cooling when worn in a warp knitted fabric in which elastic yarns are knitted. Knit to improve cool feeling and moisture absorption, but knitted fabrics with cellulose fibers are apt to curl, so the cut part is curled and difficult to handle during sewing. Is impossible. With regard to the curl, in a knitted fabric produced with a two-ply warp knitting machine of synthetic fibers and elastic yarns, curling can be suppressed relatively easily, such as by increasing the heat setting conditions during dyeing.
- the reason why the intersection of the synthetic fiber sinker loop and the elastic yarn sinker loop has an effect on curling suppression is as follows.
- the first heel synthetic fiber is the front heel
- the second heel cellulose fiber is the middle heel
- the third heel elastic yarn is the back heel
- the cellulose fiber sinker loop of the middle heel is located in a state of being curved across the sinker loop of the elastic yarn of the back heel.
- the synthetic fiber of the front ridge will be located above, and the curvature of the synthetic fiber of the front ridge will be considerably larger than the curvature of the cellulose fiber of the middle ridge.
- the intersection of the sinker loop of the first heel synthetic fiber and the sinker loop of the third heel elastic yarn across the wales By setting the ratio of the number to 50% or less, curling of the knitted fabric can be suppressed.
- the ratio of the number of the intersections of the sinker loops between the cellulose fibers of the second cocoon and the elastic yarns of the third cocoon is also preferably 50% or less, but at least the synthetic fiber of the first cocoon, If the ratio of the intersection with the elastic yarn of the third heel is 50% or less, it is effective in curling the knitted fabric.
- the lower limit of the intersection ratio is not particularly limited, but the ratio of the intersection is preferably 10% or more in order to maintain good shape stability and keep the dimensional change during washing small.
- the synthetic fiber sinker loop and the elastic yarn sinker loop are the elastic yarn. Even though the sinker loop of the synthetic fiber does not cross between the wales, it will cross at the part, but even if the sinker loop of the chain knitting part of the synthetic fiber or the sinker loop of the chain knitting part of the elastic yarn crosses, It has been found that the curl, particularly the warp in the warp direction, has little influence, so that it does not have to be treated as an intersection between the synthetic fiber and the elastic yarn. Note that the intersection between the synthetic fiber and the elastic yarn is not the knitted fabric actually manufactured, but the number of portions where the respective sinker loops intersect is obtained from the knitted fabric diagrams as shown in FIGS.
- the one complete course in the present embodiment is composed of the number of courses necessary for the unit of the repetitive organization to be knitted.
- the code structure shown in FIG. When the knitted fabric is composed of the denby structure shown in FIG. 1 as the heel and the organization shown in FIG. 3 with the third heel as the back heel, the front heel and the middle heel comprise two complete courses, and the back heel is 8
- the course constitutes one complete course.
- one complete course constituting the knitted fabric constitutes one complete course with eight courses, and one unit that repeats the organization constitutes the knitted fabric in combination with the front heel, the middle heel, and the back heel 1 Complete course.
- the intersection of the sinker loop between the synthetic fiber of the front heel and the elastic yarn of the back heel means the point where the synthetic fiber and the elastic yarn intersect between the wales of the knitted fabric.
- the structure of the synthetic fiber of the front heel Is 10/12 // in FIG. 1 and the structure of the elastic yarn of the back heel is 10/12/10/12/23/21/23/21 // in FIG. Since the number of courses and the number of sinker loops in one complete course is the same as the elastic thread sinker loop, 8 places are formed respectively, and these sinker loops intersect at 4 of them. The other four places are formed without crossing the synthetic fiber and the elastic yarn.
- the number of the sinker loops in one complete structure constituting the knitted fabric is different between the synthetic fiber and the elastic yarn, the number of the sinker loops of the synthetic fiber or the number of the sinker loops of the elastic yarn, whichever is larger, The ratio of the number of intersections to the number of complete courses is obtained from the number of intersections of each sinker loop.
- the knitting structure is chain knitting and the sinker loop does not cross between the wales, it is not counted as a sinker loop crossing between the wales. Therefore, it is not treated as an intersection of the sinker loops.
- the structure of FIG. 1 of / 23 // and the elastic yarn of the back heel is the structure of 10/12/21/23/21/12 // shown in FIG. 7, there are six elastic yarn sinker loops. There are four sinker loops across the wales. In this case, the denominator of Equation 1 is four. In this case, since there is no single intersection, the sinker loop that crosses between the back collar wales at the intersection of the sinker loop between the front collar and the back collar wales in one complete course constituting the knitted fabric. The ratio to is 0%.
- the structure of the synthetic fiber of the first ridge is not particularly limited, but zigzag knitting of a denby structure or a cord structure with two stitches or less is preferable. With these structures, the knitted fabric becomes smooth, and if the inner is sewn, it is preferable because it can slide with the outer, is easy to move, and can be prevented from being deformed.
- the selection of the denby structure and the cord structure may be arbitrarily made according to the basis weight and elongation of the knitted fabric to be obtained.
- a 4-course atlas structure is preferable, for example, a 4-course atlas structure in which the closed eyes and the opening shown in FIG. 5 are combined, and 4 courses with only the closed eyes shown in FIG.
- An atlas structure or a four-course atlas structure with all openings is preferred, and this makes it possible to impart good stretchability to the knitted fabric.
- the structure of the elastic yarn of the third heel is an intersection of the synthetic fiber sinker loop and the elastic yarn sinker loop in balance with the synthetic fiber structure of the first heel.
- the ratio can be arbitrarily selected so as to be 50% or less.
- the structure of the elastic yarn of the third cocoon is a swinging structure such as a one-needle swing or a two-needle swing as shown in FIGS.
- a structure having no chain knitted portion as shown in FIGS. 3, 5, 6, and 8 is preferable.
- the elastic yarn of the third cocoon When the synthetic fiber of the first cocoon has a four-course atlas structure, the elastic yarn of the third cocoon usually has a four-course atlas structure, but since the cellulose fibers are knitted, the warp direction and the weft The balance of stretchability in the direction tends to collapse, and the feeling of wearing may not be good. Therefore, when the synthetic fiber of the first heel has a four-course atlas structure, the elastic yarn of the third heel is a denby structure, and a stretch balance knitting is preferable because a knitted fabric with a good stretch balance is obtained. .
- one complete course is 4 courses or more than the case where one complete course is a two-course organization such as 10/12 // or 10/23 // of the code organization, for example, as shown in FIG. 10/12/23/21 //, more preferably 10/12/10/23/21/23 // as shown in FIG. 8, or 10/12/10 / in FIG. As shown in 01/23/21/23/32 //, one complete course is an organization of 6 or more courses.
- the cellulose fiber of the second heel is somewhat broken in the loop balance in the knitted fabric, and a gap is easily formed between the synthetic fiber and the elastic yarn, and the characteristics of being excellent in hygroscopicity and cool feeling of contact cooling are obtained. You can make use of it.
- the synthetic fiber or cellulose fiber and the elastic yarn have the same structure, voids between these fibers are easily formed due to the shrinkage of the elastic yarn, and a warp knitted fabric excellent in cooling feeling can be obtained.
- an arbitrary structure can be selected as the structure of the cellulose fiber of the second ridge, and a denby structure, a cord structure, an atlas structure, etc. can be arbitrarily selected.
- the same structure as the elastic yarn is preferable.
- the knitted fabric can be thinned, the feeling of cooling is increased, and the occurrence of curling can be suppressed.
- the knitted structure is 10/22 // shown in FIG. 9, 10/33 // shown in FIG. 10, or 10/11/12/11 // It is preferable that the tissue repeats looping and insertion as described above.
- the fiber length is 50 dtex or more. It is preferable to use cellulose fibers having a fineness of, and it is preferable to dispose them in a bag.
- the looping structure may be an opening as shown in 01/22 // shown in FIG.
- the tissue timing with the synthetic fiber or the elastic yarn is arbitrary, for example, when the synthetic fiber of the first fold is 10/23 // and the elastic yarn of the third fold is 10/12 //
- the structure of the cellulose fiber of the second ridge can be arbitrarily selected from 10/22 //, 22/10 //, and the like.
- the knitted fabric is stretched during actual wearing, such as the inner hem, but it is important that the stretch is relaxed during wearing and the curl is small when the knitted fabric is stretched. However, it is more important that no curling occurs even during relaxation of elongation.
- the contribution ratio of cellulose fibers to the curl of the knitted fabric is considerably small because the curvature is smaller than that of synthetic fibers, especially when the ratio of the intersection of the synthetic fiber sinker loop and the elastic yarn sinker loop is about 50%, In the case where the cellulose fiber repeats looping and insertion, or in the case of only insertion, the curl may become large at the time of elongation relaxation because of the organizational instability.
- the present inventors have found that shortening the length of the runner (yarn length per 480 course) in a normal knitted fabric is effective for curling suppression during stretching relaxation. It was. That is, when the structure of the cellulose fiber of the second ridge is a structure that repeats looping and insertion, or when it is only insertion, the runner obtained by the following formula of the synthetic fiber of the first ridge and the cellulose fiber of the second ridge The ratio is set to 1.7 to 3.5. In particular, the runner ratio is that the synthetic fiber of the first heel loops in all courses such as Denby structure, Atlas structure, etc., and is a one-shake structure, and the cellulose fiber of the second heel repeats looping and insertion.
- the object of the present invention can be effectively achieved.
- the runner ratio is less than 1.7, the sinker loop of the cellulose fiber becomes longer, the curvature of the sinker loop of the synthetic fiber becomes larger and the curling tends to be curled. Thread breakage occurs in the cellulose fiber and knitting becomes impossible. Therefore, if the runner ratio between the first heel synthetic fiber and the second heel cellulose fiber is 1.7 to 3.5, and preferably 1.9 to 3.2, the stretch of the knitted fabric can be reduced. The knitted fabric is difficult to curl.
- the loop structure of the knitted structure is also arbitrary, and a closed line, an open line, and a combination of a closed line and an open line can be selected. It is preferably an open denby structure or an open cord structure, and the cellulosic fiber structure of the middle ridge preferably has a closed loop structure.
- the positional relationship in the knitted fabric of the second cocoon cellulose fiber and the first cocoon synthetic fiber, which are two non-elastic yarns with respect to the loop structure, is important, and usually the cellulose fibers are knit together. In this case, if the cellulose fibers are exposed on the surface of the knitted fabric, the cold feeling such as contact cooling and sweat absorption is excellent. However, the problem of practical use is likely to occur, for example, there is a possibility that the fastness to wet friction dyeing may be reduced and the color may be transferred to the outer.
- the synthetic fiber of the front ridge has a loop structure with an opening, and all the middle fold structures of cellulose fibers are closed.
- the knitted fabric that exhibits 120 W / m 2 ⁇ ° C. or higher in the contact cooling sensation measurement specifically shown in the examples and that feels cool in the subjective evaluation by the wearing test has a cooling sensation.
- the fabric weight of the knitted fabric and the mixing ratio of the cellulose fibers are also important in order to obtain a knitted fabric, and by making these within an appropriate range, a desired effect is more easily exhibited.
- the basis weight of the knitted fabric is 150 to 250 g / m 2 and the mixing ratio of the cellulose fibers is 15 to 45%.
- the basis weight of the knitted fabric is preferably 150 to 250 g / m 2 , more preferably 160 to 240 g / m 2 .
- the mixing ratio of cellulose fibers if the mixing ratio of the cellulose fibers becomes too high, the cooling sensitivity tends to improve, but practical problems such as fastness to wet friction occur, and if the mixing ratio of the cellulose fibers is too low, The cold sensitivity will also decrease.
- the knitted fabric design such as the fineness of the cellulose fiber, the fineness of the synthetic fiber, and the fineness of the elastic yarn is made so that the mixing ratio of the cellulose fiber is preferably 15 to 45%, more preferably 20 to 40%. It can be carried out.
- the mixing ratio measurement of the cellulose fibers may be calculated from the numerical values. When the fineness and runner length are unknown, the fibers other than the cellulose fiber are dissolved. Or the weight of the knitted fabric (weight) is measured first, then the elastic yarn is dissolved and the weight of the knitted fabric is measured to calculate the weight of the elastic yarn only.
- the warp knitted fabric of the present embodiment is excellent in cooling feeling such as contact cooling sensation, heat dissipation, and breathability as a knitted fabric, and also needs to be excellent in cooling sensation as a garment.
- cooling feeling such as contact cooling sensation, heat dissipation, and breathability
- the garment made of knitted fabric without elastic yarn is not in close contact with the body, the cold feeling when wearing the garment is only part of the contact between the skin and the clothing, but the elastic yarn is knitted.
- the entire knitted fabric is in close contact with the body, and it is easy to feel a cool feeling throughout. However, if the stretch of the knitted fabric is low, the clothes become difficult to move and uncomfortable.
- the knitted fabric elongation needs to be in an appropriate range.
- the knitted fabric elongation is preferably 80 to 150%, more preferably 90 to 140% under a 9.8 N (Newton) load in both the knitted fabric warp direction and the knitted fabric weft direction. It can be finished by adjusting the elongation during knitting design and dyeing.
- the warp knitted fabric of the present embodiment is a knitted fabric that is excellent in cold feeling even in a hot environment, but when it is used as a garment, the knitted fabric length with respect to a straight line (reference: 0 degree) drawn in the knitted fabric width direction.
- a straight line reference: 0 degree
- the vertical line drawn in the direction is 90 degrees, curling is unlikely to occur at any cutting edge, such as a straight line or curved line, between 45 and 135 degrees, so the end of tri-fold sewing, piping sewing, etc. It can be used as a garment without being cleaned.
- a knitted fabric that can be chopped it is a knitted knitted fabric of synthetic fibers and elastic yarns that are easily heat-set such as polyester and nylon, and the temperature is increased at the time of heat-setting dyeing processing, or It is possible to reduce the curl of the knitted fabric by strengthening the heat setting conditions such as increasing the setting time and heat-fixing the synthetic fiber.
- the heat setting conditions such as increasing the setting time and heat-fixing the synthetic fiber.
- cellulose fibers that are difficult to heat-set curling cannot be prevented even if the heat-setting conditions at the time of dyeing are strengthened. So far, in knitted fabrics, especially warp knitted fabrics. However, in the warp knitted fabric of this embodiment, curling does not occur at the cut end even though the cellulose fibers that are difficult to heat set are knitted. It becomes possible to make a product by leaving it alone.
- the structure and loop structure of the cellulose fiber, which is difficult to heat set, and the synthetic fiber, which is easily heat set, to a specific range it can be cut without causing curling of the knitted fabric cutting portion. It is possible to make a knitted fabric that is excellent in cold feeling.
- the warp knitted fabric of this embodiment can be manufactured by a tricot or Russell warp knitting machine, and can be manufactured by these single warp knitting machines.
- the gauge of the knitting machine a knitting machine of an arbitrary gauge can be used, but it is preferable to use a knitting machine of about 20 to 40 gauge.
- the knitting machine gauge When the gauge becomes higher than 40 gauge, the knitted fabric density increases and the stretchability becomes poor, so that the effects of the present invention are hardly exhibited.
- the threading of the inelastic thread and elastic thread to the heel is not only all-in threaded through all the heels, but also one-in-one out threaded per heel, and continuous to the heels. It is also possible to use arbitrary threading such as 2-in-1 out, which repeats passing two yarns and not passing one yarn.
- a normal dyeing finishing process can be used, and dyeing conditions according to the fiber material to be used are used, and the dyeing machine to be used is a liquid dyeing machine, a wins dyeing machine, paddle dyeing.
- Any processing agent such as a machine can be used, and a processing agent that improves water absorption and flexibility can also be used.
- Examples 1 to 8 below are examples of zigzag knitting in which the first cocoon synthetic fiber is 2 stitches or less
- Examples 9 and 10 are examples of stretch balance knitting.
- Unleashability was evaluated by the curl of the knitted fabric, and sampling and evaluation were performed by the following methods. Cut 20cm in the warp direction along the wales of the knitted fabric, cut it in the width direction to a size of 20cm and place it on a horizontal desk as a 20cm x 20cm size knitted fabric. As shown in FIG. 13, the curl angle generated in the warp direction at that time is stretched by 80% and the straight line (2) in contact with the horizontal knitted fabric (1) and the straight line in contact with the end of the stretched knitted fabric are used. The curl angle (d) at which (3) intersects was measured and the curl properties were evaluated according to the following criteria: ⁇ : Curl angle is 30 degrees or less, no problem for cutting-off products.
- ⁇ Curl angle is larger than 30 degrees, and cut-off products are possible.
- ⁇ Curl angle is larger than 60 degrees, 90 It is difficult to produce a cut-off product at an angle of less than or equal to:
- x The curl angle is larger than 90 degrees, and it cannot be a cut-off product.
- ⁇ and ⁇ indicate that curling of the knitted fabric cutting portion is extremely small, and it is possible to make a cut-off product.
- Elongation relaxation curl Elongate the knitted fabric evaluated in (3) by 80% in the warp direction, immediately relax and leave it on a horizontal desk, and measure the curl angle after 5 minutes by the method of (3). evaluated. In addition, if the elongation relaxation curl is 60 degrees or less, the cutting property is particularly excellent.
- Runner ratio Synthetic fiber and cellulose fiber in the knitted fabric are extracted with the same course length, and the length is measured by applying a load of 0.1 g to each fiber. Round the eyes to find the runner ratio.
- a method of releasing the loop constituting the knitted fabric by cutting or the like for example, when extracting a synthetic fiber, only the synthetic fiber is cut by cutting the loop of the cellulose fiber and the elastic yarn.
- the elastic yarn is removed from the knitted fabric by dissolution (including decomposition due to embrittlement), and then the cellulose fiber is dissolved to measure the runner length only as a synthetic fiber.
- Example 1 Using a 28 gauge tricot warp knitting machine, nylon 33 dt / 24 filament on the front heel, cupra (trade name Bemberg: manufactured by Asahi Kasei Co., Ltd.) 33 dt / 24 filament on the middle heel, elastic yarn 44 dt on the back heel (trade name Roika) CR: manufactured by Asahi Kasei Co., Ltd., stretched and warped, and all three sheets were threaded through the reed, the front reed was the cord structure shown in FIG. 2, the middle reed was the Denby structure shown in FIG. The back bag was knitted with the structure shown in FIG. Front ⁇ : Organization 10/23 // Middle heel: Organization 10/12 // Back heel: organization 10/12/10/23/21/23 //
- the knitted fabric was relaxed and scoured with a continuous scourer, then pre-set at 190 ° C. for 1 minute, and nylon and cellulose fibers were dyed with a liquid dyeing machine. After dyeing, a soft finish was padded and a finishing set was performed at 170 ° C. for 1 minute to obtain a warp knitted fabric.
- the mixing ratio of cellulose fibers in this knitted fabric was 34%, and the performance of the obtained knitted fabric was evaluated. The results are shown in Table 1 below.
- the obtained warp knitted fabric was free of curling at the knitted fabric cut portion and had no problem of release, and was excellent in contact cooling feeling, elongation, wearing feeling and sewing processability.
- Example 2 Comparative Example 1
- the knitted fabric Example 2: FIG. 4, Example 3: FIG. 5, which changed the structure
- Example 4 FIG. 6,
- a knitted fabric (Comparative Example 1) knitted with a back ridge structure of 12/10 // was produced. The performance of the obtained knitted fabric was evaluated. The results are shown in Table 1 below.
- the warp knitted fabric obtained in Examples 2 to 5 can be cut into a product without causing curling of the knitted fabric cutting portion, and has a feeling of cooling contact, a degree of elongation, a feeling of wearing, and a sewing processability. Was also excellent.
- Example 6 Using a 32-gauge tricot warp knitting machine, polyester 22 dt / 6 filament on the front heel, cupra on the middle heel (trade name Bemberg: manufactured by Asahi Kasei) 33 dt / 24 filament, elastic yarn 22 dt on the back heel (trade name Roika) SF: manufactured by Asahi Kasei Co., Ltd. was stretched 100% and warped, the front collar was knitted with the structure of FIG. Front ⁇ : Organization 01/21 // Middle heel: organization 10/12/10/12/23/21/23/21 // Back heel: organization 10/12/10/12/23/21/23/21 // The knitted fabric was relaxed and scoured with a continuous scouring machine, then pre-set at 190 ° C.
- the obtained warp knitted fabric can be cut into a product, and has excellent contact cooling feeling, elongation, wearing feeling, and sewing processability.
- Example 7 Using a 28 gauge tricot warp knitting machine, nylon 78 dt / 24 filament on the front heel, cupra (trade name Bemberg: manufactured by Asahi Kasei Co., Ltd.) 56 dt / 30 filament on the middle heel, elastic yarn 44 dt (trade name Roika on the back heel) SF: Asahi Kasei Co., Ltd.) was stretched 100% and warped, and the front heel was 01/32 // middle heel and the back heel was knitted with the structure of FIG.
- Example 8 Using a 28-gauge tricot warp knitting machine, nylon 33t / 24 filament on the front heel, cupra on the middle heel (trade name Bemberg: manufactured by Asahi Kasei) 33dt / 24 filament, elastic yarn 33dt on the back heel (trade name Roika) SF: Asahi Kasei Co., Ltd.) was stretched 100%, warped, and knitted with the following structure.
- Example 9 Using a 28 gauge tricot warp knitting machine, nylon 33 dt / 24 filament on the front heel, cupra (trade name Bemberg: manufactured by Asahi Kasei Co., Ltd.) 33 dt / 24 filament on the middle heel, elastic yarn 44 dt on the back heel (trade name Roika) (CR: manufactured by Asahi Kasei Co., Ltd.) was stretched 100% and warped, and all of the three sheets were threaded through a kite and knitted with the following structure. Front heel: Organization 10/21/23/12 // Middle bowl: 10/11/12/11 // Back bag: 10/12 // The knitted fabric was relaxed and scoured with a continuous scouring machine, then pre-set at 190 ° C.
- the obtained warp knitted fabric was free of curling at the knitted fabric cut portion and had no problem of release, and was excellent in contact cooling feeling, elongation, wearing feeling and sewing processability.
- Example 9 In Example 9, a knitted fabric (Example 11) with a short runner length of cellulose fibers and a knitted fabric (Examples 12 to 13) with a long runner length of cellulose fibers were produced. The performance of the obtained knitted fabric was evaluated. The results are shown in Table 1 below.
- Example 10 Using a 28-gauge tricot warp knitting machine, nylon 33dt / 24 filament on the front heel, elastic yarn 78dt (trade name Roika CR: manufactured by Asahi Kasei Co., Ltd.) on the middle heel, warped by 100%, back heel Cupra (trade name: Bemberg: manufactured by Asahi Kasei Co., Ltd.) 84 dt / 56 filaments were all threaded through the kite and knitted with the following structure. Front heel: Organization 10/21/23/12 // Middle bowl: 10/12 // Back bag: 00/22/33/11 // The knitted fabric was relaxed and scoured with a continuous scouring machine, then pre-set at 190 ° C.
- the obtained warp knitted fabric was free of curling at the knitted fabric cut portion and had no problem of release, and was excellent in contact cooling feeling, elongation, wearing feeling and sewing processability.
- the warp knitted fabric of the present invention is excellent in stretchability and cooling sensation when worn, and can be made as a product without being curled at the knitted fabric cut portion. It is optimal and has a good cooling feeling when worn, so it can be used in clothing products that are cool even when worn in the summer, such as in the summer, do not feel sticky or stuffy even when sweated, and can be expected to cool the body.
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- Engineering & Computer Science (AREA)
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Abstract
Description
このように、セルロース繊維と弾性糸を交編したストレッチ性のある経編地において、着用時に冷感性、吸湿性や吸汗性に優れ、さらに、裁断したままで縫製することなく衣服とする、裁ち放し可能な編地は、現状では見当たらない。
すなわち、本発明は以下の通りのものである。
[2]前記第1の筬に由来する合成繊維の編組織は、デンビー組織又はコード組織である、前記[1]に記載の経編地。
[3]前記第3の筬に由来する弾性糸の1完全コースは4コース以上のものである、前記[1]又は[2]に記載の経編地。
[4]前記第2の筬に由来するセルロース繊維と前記第3の筬に由来する弾性糸の編組織は同じである、前記[1]~[3]のいずれかに記載の経編地。
[5]前記第1の筬に由来する合成繊維の編組織は、4コースアトラス組織である、前記[1]に記載の経編地。
[6]前記第3の筬に由来する弾性糸の編組織は、デンビー組織である、前記[5]に記載の経編地。
[7]前記第1の筬がフロント筬であり、第2の筬がミドル筬であり、かつ、第3の筬がバック筬であるか、又は前記第1の筬がフロント筬であり、第2の筬がバック筬であり、かつ、第3の筬がミドル筬であるかのいずれかである、前記[1]~[6]のいずれかに記載の経編地。
[8]前記第2の筬に由来するセルロース繊維の編組織は、ルーピングと挿入を繰り返す組織である、前記[1]~[3]、[5]、及び[6]のいずれかに記載の経編地。
[9]以下の式:
ランナー比 = 前記第1の筬に由来する合成繊維のランナー長 / 前記第2の筬に由来するセルロース繊維のランナー長
で表されるランナー比が1.7~3.5である、前記[1]、及び[5]~[8]のいずれかに記載の経編地。
本実施形態の経編地は、第1の筬に由来する合成繊維、第2の筬に由来するセルロース繊維、及び第3の筬に由来する弾性糸により編成された経編地であって、該経編地を構成する1完全コース中に存在するウェール間に渡る該合成繊維のシンカーループと該弾性糸のシンカーループとが交差する交差点の数の該1完全コース数に対する割合が50%以下であることを特徴とする。
本実施形態の経編地はこれらの特徴を有することにより着用時冷感に優れるため、これを配して、暑熱環境時の着用時、冷感に優れる衣服とすることができる。セルロース繊維としては、非制限的に、例えば、レーヨン、キュプラ、竹繊維等の再生セルロース繊維、絹等の天然セルロース繊維の長繊維であって、繊維の太さとして30~90dtex(デシテックス:以下同じ記号とする)のものを使用することができる。
合成繊維としては、非制限的に、ポリエステル、ポリトリメチレンテレフタレート等のポリエステル系繊維、ポリアミド系繊維、ポリプロピレン等の合成繊維が挙げられ、これらのブライト糸、セミダル糸、フルダル糸等任意に使用でき、繊維の断面形状も丸型、楕円型、W型、繭型、中空糸等任意な断面形状の繊維の使用が可能であり、繊維の形態についても特に限定されず、原糸、又は、仮撚等の捲縮加工糸が使用できるが、冷感に優れる原糸使いが好ましい。さらに、2種以上の繊維を撚糸、カバーリング、エアー混繊等により混合した複合糸としての使用も可能である。これら合成繊維の太さは、20~110dtの繊維が使用できる。
本実施形態の経編地では、弾性糸に無機物質を含有することがき、含有する無機物質の性能を加味した編地とすることができる。例えば、酸化チタンを含有させると、熱伝導性に優れる弾性糸となり、編地製造により接触冷感に優れる編地が製造できる。無機物質の弾性糸へ含有させる方法については、弾性糸の紡糸原液に無機物質を含有させて紡糸する方法が最も簡単である。無機物質とは、酸化チタン等のセラミックス等、熱伝導性に優れる無機化合物が挙げられ、弾性糸の紡糸の障害とならない微粉末状が好ましい。これら無機物質を弾性糸に1~10重量%含有していることが好ましく、無機物質を含有することにより、冷却性が向上する編地となるが、無機物質の含有量が、少なすぎると冷却効果が小さく、多すぎると紡糸時や伸長時に糸切れすることがあるため、1~10重量%の含有が好ましく、より好ましくは2~5重量%の含有である。
第1の筬の合成繊維をフロント筬、第2筬のセルロース繊維をミドル筬、第3の筬の弾性糸をバック筬とした際のループ状態を観察すると、編地のシンカーループ面では、弾性糸と、合成繊維及びセルロース繊維とが交差する部分であり、バック筬の弾性糸のシンカーループを跨いで湾曲した状態でミドル筬のセルロース繊維のシンカーループが位置しており、さらに、ミドル筬の上にフロント筬の合成繊維が位置することになり、フロント筬の合成繊維の湾曲は、ミドル筬のセルロース繊維の湾曲よりかなり大きくなる。そのため、特に編地伸長時に大きく湾曲している合成繊維が直線状になろうとする力が大きくて編地にカールが発生してしまう。この編地伸長時には、セルロース繊維も湾曲が直線状になろうとするが、編地のカールへの寄与率は合成繊維より湾曲が小さいためかなり小さい。従って、フロント筬の合成繊維のシンカーループとバック筬の弾性糸のシンカーループとの交差点を制御すれば、編地のカールを抑制することができる。また、第2の筬のセルロース繊維をバック筬に、第3の筬の弾性糸をミドル筬とした際も、カールの抑制は、弾性糸のシンカーループと合成繊維のシンカーループとの交差点を抑制することにより可能である。
交差点の割合=(交差点:4カ所)÷(1完全コース中に存在するウェール間に渡る合成繊維のシンカーループ数:8本)
により、交差点の割合は、50%となる。尚、図12は前記例の交差点を図示したもので、合成繊維aの組織と弾性糸bの組織との交差点cは1完全コース中に4カ所である。また、編地を構成する1完全組織中のシンカーループ数が、合成繊維と弾性糸とで異なる場合、合成繊維のシンカーループ数か、弾性糸のシンカーループ数のどちらか多い方を基準に、それぞれのシンカーループの交差点数から交差点の数の該1完全コース数に対する割合を求める。
さらに、第1の筬の合成繊維の組織としては、4コースアトラス組織が好ましく、例えば、図5に示す閉じ目と開き目の組み合わせた4コースアトラス組織、図6に示す閉じ目のみの4コースアトラス組織、あるいは、全て開き目の4コースアトラス組織が好ましく、これにより、編地に良好な伸縮性を付与することが可能となる。
尚、第1の筬の合成繊維が4コースアトラス組織である場合は、通常では第3の筬の弾性糸も4コースアトラス組織とするが、セルロース繊維が交編されているため経方向と緯方向の伸縮性のバランスが崩れやすく、着用感が良くない場合がある。その為、第1の筬の合成繊維が4コースアトラス組織である場合には、第3の筬の弾性糸はデンビー組織とする、ストレッチバランス編みとすれば伸縮性バランスの良好な編地となり好ましい。
さらに、第2の筬のセルロース繊維の組織として、例えば、編組織が図9に示す、10/22//、図10に示す10/33//、あるいは、10/11/12/11//のようにルーピングと挿入を繰り返す組織であることが好ましい。さらには、00/22//や、00/11/22/11//のように、挿入のみの組織も可能であり、この場合、セルロース繊維は編成中に糸切れが生じやすいため、50dtex以上の繊度のセルロース繊維の使用が好ましく、また、バック筬に配置するのが好ましい。さらに、ルーピングの組織は、図11に示す01/22//のように開き目であってもよい。無論、合成繊維、あるいは、弾性糸との組織タイミングは任意で、例えば、第1の筬の合成繊維が10/23//であり、第3の筬の弾性糸が10/12//の場合、第2の筬のセルロース繊維の組織は、10/22//や、22/10//等、任意に選択できる。
さらに、本実施形態の経編地では、インナーの裾等、実際の着用時に編地は伸長されるが、着用中は伸長緩和された状態となり、編地伸長時にカールが小さい事が重要であるが、伸長緩和時にもカールが生じないことがより重要である。しかし、セルロース繊維が編地のカールへの寄与率は合成繊維より湾曲が小さいためかなり小さいものの、合成繊維のシンカーループと弾性糸のシンカーループの交差点の割合が50%程度である際に、特に、セルロース繊維がルーピングと挿入を繰り返す組織や、挿入のみの場合、組織的に不安定なためか伸長緩和時にカールが大きくなることがある。そこで、これらの解消について検討した結果、本発明者らは、通常の編地におけるランナー(480コース当たりの糸長)よりも短くすることが伸長緩和時のカール抑制に効果的であることを見出した。すなわち、第2の筬のセルロース繊維の組織がルーピングと挿入を繰り返す組織、あるいは、挿入のみである場合、第1の筬の合成繊維と第2の筬のセルロース繊維との下記式により求められるランナー比が1.7~3.5となるよう設定する。特に該ランナー比は、第1の筬の合成繊維がデンビー組織、アトラス組織等、すべてのコースでルーピングし、1針振りの組織であり、第2の筬のセルロース繊維がルーピングと挿入を繰り返す組織や、すべてのコースを挿入組織とする場合に、該ランナー比を1.7~3.5とすれば本発明の目的が有効に達成可能となる。なお、ランナー比が、1.7未満の場合は、セルロース繊維のシンカーループが長くなり、合成繊維のシンカーループの湾曲がより大きくなってカールし易くなり、逆に、3.5より大きい場合は、セルロース繊維に糸切れが生じ編成不可能となる。従って、第1の筬の合成繊維と第2の筬のセルロース繊維とのランナー比は1.7~3.5とし、好ましくは1.9~3.2とすれば、編地伸長緩和時にもカールのしにくい編地となる。
ランナー比 = 合成繊維のランナー長 / セルロース繊維のランナー長 …式(1)
また、本実施形態の経編地については、編組織のループ構造についても任意であり、閉じ目、開き目、閉じ目と開き目の組み合わせが選定できるが、フロント筬の合成繊維の組織は、開き目のデンビー組織又は開き目のコード組織であることが好ましく、ミドル筬のセルロース繊維の組織は、閉じ目のループ構造が好ましい。
本実施形態では、冷感を得る編地とするために編地の目付、及びセルロース繊維の混率も重要であり、これらを適正な範囲にすることにより、所望の効果がより発揮されやすい。
本実施形態においては、編地の目付は150~250g/m2であり、かつ、セルロース繊維の混率が15~45%であることが好ましい。編地の目付けが大き過ぎると、編地の放熱性が低下して冷感を感じず、目付が小さ過ぎると、編地の破裂強度低下となり実着用上問題となる。それゆえ、編地の目付は、好ましくは150~250g/m2であり、より好ましくは160~240g/m2であることができる。また、セルロース繊維の混率については、セルロース繊維の混率が高くなり過ぎると、冷感性は向上する傾向にあるが、湿摩擦堅牢度等実用上の問題が生じ、セルロース繊維の混率が低過ぎると、冷感性も低下してしまう。それゆえ、セルロース繊維の混率は、好ましくは15~45%であり、より好ましくは20~40%となるように、セルロース繊維の繊度、合成繊維の繊度、弾性糸の繊度等の編地設計を行うことができる。尚、セルロース繊維の混率測定は、各繊維の繊度とランナー長が分かっている場合はその数値より計算して求めればよいが、繊度とランナー長が不明の場合は、セルロース繊維以外の繊維を溶解等で取り除く方法、あるいは、最初に編地の重量(目付)を測定し、その後、弾性糸を溶解して編地の重量を測定して弾性糸のみの目付を計算し、編地の目付から弾性糸の目付を減算して非弾性糸の目付を求め、その後、セルロース繊維のランナー長と繊度を測定して、合成繊維との比でセルロース繊維のみの目付、混率を計算する、等の方法により求めることができる。
本実施形態の経編地は、トリコット、ラッセルの経編機により製造可能であり、これらの、シングル経編機により製造することができる。編機のゲージについては、任意なゲージの編機が使用可能であるが、20~40ゲージ程度の編機の使用が好ましく、ゲージが粗いと編地の審美性が良くなく、編機のゲージが40ゲージよりハイゲージになると編地密度が増加し、また、伸縮性が不良となるため、本発明の効果が発揮し難くなる。また、裁ち放し可能な編地とするには、ゲージが粗いと裁断端のホツレが発生するため、28~32ゲージの経編機の使用が好ましい。
本実施形態の経編地の染色仕上げ方法としては、通常の染色仕上げ工程が使用でき、使用する繊維素材に応じた染色条件とし、使用する染色機も液流染色機、ウインス染色機、パドル染色機など任意の使用が可能であり、吸水性や柔軟性を向上させる加工剤を使用することもできる。
限定されるものではない。尚、実施例における評価は以下の方法により行なった。以下の実施例1~8は、第1の筬の合成繊維は2針振り以下のジグザグ編みの例であり、そして実施例9と10はストレッチバランス編みの例である。
20℃65%RH環境下において調湿された8cm×8cmに裁断された編地のシンカーループ側を、カトーテック社製KES-F7-11にて、環境温度+10℃に温められた該装置の熱板を編地のシンカーループ側に置いた時の最大の熱移動量(W/m2・℃)を測定した。
第1の筬の合成繊維の組織と第3の筬の弾性糸の組織を組織図として描き、それぞれの組織図を重ね合わせて、合成繊維のシンカーループと弾性糸のシンカーループとの交差点を特定した。
裁ち放し性を編地のカールで評価する事にし、サンプリング、評価を次の方法にて行った。
編地のウェールに沿って経方向に20cm間裁断し、幅方向も20cmの大きさで裁断して20cm×20cmの大きさの編地として水平な机上に置き、次いで、経方向の両端を指で把持して80%伸長し、その時の経方向に生じるカールの角度を図13のように、水平な編地(1)に接する直線(2)と、伸長した編地の端部に接する直線(3)とが交わるカール角度(d)を測定し、以下の判定基準によりカール性を評価した:
◎ : カール角度が30度以下で、裁ち放し製品とするのに全く問題ない
○ : カール角度が30度より大きく、60度以下で裁ち放し製品が可能
△ : カール角度が60度より大きく、90度以下で裁ち放し製品は難しい
× : カール角度が90度より大きく、裁ち放し製品とすることができない。
尚、上記判定基準において、◎、○は、編地裁断部のカール発生が極めて少なく、裁ち放し製品とすることが可能である。
前記(3)で評価した編地を経方向に80%伸長し、すぐ緩和して水平な机上に放置して5分後のカール角度を(3)の方法により測定、評価した。
尚、伸長緩和カールが60度以下であれば、特に裁ち放し性に優れている。
編地中の合成繊維とセルロース繊維を、同じコースの長さで抜き出し、それぞれの繊維に0.1gの荷重をかけて長さを測定し、式(1)により小数点2桁目を四捨五入してランナー比を求める。
編地から各繊維を抜き出す方法については、編地を構成するループを切断等により解除していく方法、例えば、合成繊維を抜き出すときは、セルロース繊維と弾性糸のループを切断して合成繊維のみを残す方法、また、別の方法としては、弾性糸を溶解(脆化による分解含む)により編地から除去し、次いで、セルロース繊維を溶解して合成繊維のみとしてランナー長を測定し、さらに、別に用意した編地を、同様な方法で弾性糸と合成繊維とを溶解等により除去してセルロース繊維のみとしてセルロース繊維のランナー長を求めランナー比を求める方法や、これら、ループ解除と溶解とを組み合わせてもよい。
さらには、編地から他の繊維を溶解して合成繊維のみとした編地、及び、セルロース繊維のみとした編地を作成し、同じコースと同じウェールでそれぞれの編地の重量と、編地の一部を解除して繊度を測定し、ランナー長を求めることも可能であり、その他、目付と繊維の混率から計算する方法も可能である。
ランナー比 = 合成繊維のランナー長 / セルロース繊維のランナー長…式(1)
(6)洗濯後の寸法変化
JIS L1930(2014) 記載のC4M法で、得られた編地の洗濯-乾燥試験を行い、洗濯前後の寸法変化率を測定した。ここで、寸法変化率が正の値であれば、洗濯によって収縮していることを示す。洗濯後寸法変化の評価基準は下記の通りである。
寸法変化率が0~1.5%であれば ○
寸法変化率が1.5~3.0%であれば △
寸法変化率が3%を超えるものは ×
寸法変化率が3.0%以下であれば製法工程性は良好であるが、縫製するアイテムによっては端部処理に注意が必要である。1.5%以下であればそのような問題が起こらず特に良好である。
28ゲージのトリコット経編機を使用し、フロント筬にナイロン33dt/24フィラメント、ミドル筬にキュプラ(商標名ベンベルグ:旭化成(株)製)33dt/24フィラメント、バック筬に弾性糸44dt(商品名ロイカCR:旭化成(株)製)を100%伸長して整経し、3枚筬とも筬に全て糸通しして、フロント筬は図2に示すコード組織、ミドル筬は図1に示すデンビー組織、バック筬は図8に示す組織で編成した。
フロント筬:組織10/23//
ミドル筬:組織10/12//
バック筬:組織10/12/10/23/21/23//
実施例1において、バック筬の弾性糸の組織を変更し、合成繊維のシンカーループと弾性糸のシンカーループとの交差点を変えた編地(実施例2:図4、実施例3:図5、実施例4:図6、実施例5:図7)、また、バック筬の組織を12/10//として編成した編地(比較例1)を製造した。得られた編地の性能を評価した。結果を以下の表1に示す。
実施例2~5で得られた経編地は、編地裁断部のカールが発生することなく裁ち放しで製品とすることが可能で、接触冷感、伸度、着用感、縫製工程性にも優れたものであった。
32ゲージのトリコット経編機を使用し、フロント筬にポリエステル22dt/6フィラメント、ミドル筬にキュプラ(商標名ベンベルグ:旭化成(株)製)33dt/24フィラメント、バック筬に弾性糸22dt(商品名ロイカSF:旭化成(株)製)を100%伸長して整経し、フロント筬は01/21//、ミドル筬とバック筬は図3の組織で編成した。
フロント筬:組織01/21//
ミドル筬:組織10/12/10/12/23/21/23/21//
バック筬:組織10/12/10/12/23/21/23/21//
編成した編地を連続精練機でリラックス、精練を行い、次いで、190℃で1分間プレセットを行い、液流染色機でナイロンとキュプラの染色を行った。染色後に柔軟仕上げ剤をパディングして、170℃で1分の条件で仕上げセットを行い経編地とした。
得られた編地の性能を評価した。結果を以下の表1に示す。得られた経編地は、裁ち放しで製品とすることが可能で、接触冷感、伸度、着用感、縫製工程性にも優れたものであった。
28ゲージのトリコット経編機を使用し、フロント筬にナイロン78dt/24フィラメント、ミドル筬にキュプラ(商標名ベンベルグ:旭化成(株)製)56dt/30フィラメント、バック筬に弾性糸44dt(商品名ロイカSF:旭化成(株)製)を100%伸長して整経し、フロント筬は01/32// ミドル筬とバック筬は図6の組織で編成した。
フロント筬:組織01/32//
ミドル筬:組織10/21/23/12//
バック筬:組織10/21/23/12//
編成した編地を連続精練機でリラックス、精練を行い、次いで、190℃で1分間プレセットを行い、液流染色機でナイロンとキュプラの染色を行った。染色後に柔軟仕上げ剤をパディングして、170℃で1分の条件で仕上げセットを行い経編地とした。
得られた編地の性能を評価した。結果を以下の表1に示す。得られた経編地は、裁ち放しで製品とすることが可能で、接触冷感、伸度、着用感、縫製工程性にも優れたものであった。
28ゲージのトリコット経編機を使用し、フロント筬にナイロン33t/24フィラメント、ミドル筬にキュプラ(商標名ベンベルグ:旭化成(株)製)33dt/24フィラメント、バック筬に弾性糸33dt(商品名ロイカSF:旭化成(株)製)を100%伸長して整経し、下記の組織で編成した。
フロント筬:組織10/23//
ミドル筬:組織12/11/10/11//
バック筬:組織10/12//
編成した編地を連続精練機でリラックス、精練を行い、次いで、190℃で1分間プレセットを行い、液流染色機でナイロンとキュプラの染色を行い、染色後に柔軟仕上げ剤をパディングして、170℃で1分の条件で仕上げセットを行い経編地とした。
得られた編地の性能を評価した。結果を以下の表1に示す。得られた経編地は、軽量で、かつ、裁ち放しで製品とすることが可能で、接触冷感、伸度、着用感、縫製工程性にも優れたものであった。
28ゲージのトリコット経編機を使用し、フロント筬にナイロン33dt/24フィラメント、ミドル筬にキュプラ(商標名ベンベルグ:旭化成(株)製)33dt/24フィラメント、バック筬に弾性糸44dt(商品名ロイカCR:旭化成(株)製)を100%伸長して整経し、3枚筬とも筬に全て糸通しして、次に示す組織で編成した。
フロント筬:組織10/21/23/12//
ミドル筬:10/11/12/11//
バック筬:10/12//
編成した編地を連続精練機でリラックス、精練を行い、次いで、190℃で1分間プレセットを行い、液流染色機でナイロンとセルロース繊維の染色を行った。染色後に柔軟仕上げ剤をパディングして、170℃で1分の条件で仕上げセットを行い経編地とした。この編地のセルロース繊維の混率は34%であり、得られた編地の性能を評価した。結果を以下の表1に示す。得られた経編地は編地裁断部のカールが発生することなく裁ち放し性に問題なく、接触冷感、伸度、着用感、縫製工程性にも優れるものであった。
実施例9において、セルロース繊維のランナー長を短くした編地(実施例11)、セルロース繊維のランナー長を長くした編地(実施例12~13)を製造した。得られた編地の性能を評価した。結果を以下の表1に示す。
28ゲージのトリコット経編機を使用し、フロント筬にナイロン33dt/24フィラメント、ミドル筬に弾性糸78dt(商品名ロイカCR:旭化成(株)製)を100%伸長して整経し、バック筬にキュプラ(商標名ベンベルグ:旭化成(株)製)84dt/56フィラメントを、3枚筬とも筬に全て糸通しして、次に示す組織で編成した。
フロント筬:組織10/21/23/12//
ミドル筬:10/12//
バック筬:00/22/33/11//
編成した編地を連続精練機でリラックス、精練を行い、次いで、190℃で1分間プレセットを行い、液流染色機でナイロンとセルロース繊維の染色を行った。染色後に柔軟仕上げ剤をパディングして、170℃で1分の条件で仕上げセットを行い経編地とした。この編地のセルロース繊維の混率は34%であり、得られた編地の性能を評価した。結果を以下の表1に示す。得られた経編地は編地裁断部のカールが発生することなく裁ち放し性に問題なく、接触冷感、伸度、着用感、縫製工程性にも優れるものであった。
28ゲージのトリコット経編機を使用し、フロント筬にナイロン33t/24フィラメント、ミドル筬にキュプラ(商標名ベンベルグ:旭化成(株)製)33dt/24フィラメント、バック筬に弾性糸33dt(商品名ロイカSF:旭化成(株)製)を100%伸長して整経し、下記の組織で編成した。
フロント筬:組織10/23//
ミドル筬:組織12/10/12/10/12/21/10/01//
バック筬:組織12/10/12/10/12/21/10/01//
編成した編地を連続精練機でリラックス、精練を行い、次いで、190℃で1分間プレセットを行い、液流染色機でナイロンとキュプラの染色を行い、染色後に柔軟仕上げ剤をパディングして、170℃で1分の条件で仕上げセットを行い経編地とした。
得られた編地の性能を評価した。結果を以下の表1に示す。得られた経編地は、合成繊維と弾性糸との交差点が多く、裁ち放しで製品とすることが不可能であった。
2 水平な編地に接する直線
3 発生したカールの編地端部に接する直線
a 合成繊維の組織(点線)
b 弾性糸の組織(実線)
c 合成繊維と弾性糸との交差点
d カール角度
Claims (9)
- 第1の筬に由来する合成繊維、第2の筬に由来するセルロース繊維、及び第3の筬に由来する弾性糸により編成された経編地であって、該経編地を構成する1完全コース中に存在するウェール間に渡る該合成繊維のシンカーループと該弾性糸のシンカーループとが交差する交差点の数の、該1完全コース中に存在するウェール間に渡る該合成繊維のシンカーループ数に対する割合が50%以下であることを特徴とする前記経編地。
- 前記第1の筬に由来する合成繊維の編組織は、デンビー組織又はコード組織である、請求項1に記載の経編地。
- 前記第3の筬に由来する弾性糸の1完全コースは4コース以上のものである、請求項1又は2に記載の経編地。
- 前記第2の筬に由来するセルロース繊維と前記第3の筬に由来する弾性糸の編組織は同じである、請求項1~3のいずれか1項に記載の経編地。
- 前記第1の筬に由来する合成繊維の編組織は、4コースアトラス組織である、請求項1に記載の経編地。
- 前記第3の筬に由来する弾性糸の編組織は、デンビー組織である、請求項5に記載の経編地。
- 前記第1の筬がフロント筬であり、第2の筬がミドル筬であり、かつ、第3の筬がバック筬であるか、又は前記第1の筬がフロント筬であり、第2の筬がバック筬であり、かつ、第3の筬がミドル筬であるかのいずれかである、請求項1~6のいずれか1項に記載の経編地。
- 前記第2の筬に由来するセルロース繊維の編組織は、ルーピングと挿入を繰り返す組織である、請求項1~3、5、及び6のいずれか1項に記載の経編地。
- 以下の式:
ランナー比 = 前記第1の筬に由来する合成繊維のランナー長 / 前記第2の筬に由来するセルロース繊維のランナー長
で表されるランナー比が1.7~3.5である、請求項1、及び5~8のいずれか1項に記載の経編地。
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| EP17858402.5A EP3524723A4 (en) | 2016-10-04 | 2017-10-03 | CHAIN KNITTED |
| JP2018543922A JP6768818B2 (ja) | 2016-10-04 | 2017-10-03 | 経編地 |
| RU2019108846A RU2704924C1 (ru) | 2016-10-04 | 2017-10-03 | Основовязаный материал |
| KR1020197009078A KR102212236B1 (ko) | 2016-10-04 | 2017-10-03 | 경편지 |
| CN201780059760.1A CN109790661B (zh) | 2016-10-04 | 2017-10-03 | 经编织物 |
| US16/337,859 US11105026B2 (en) | 2016-10-04 | 2017-10-03 | Warp-knitted fabric |
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| WO2019225713A1 (ja) * | 2018-05-25 | 2019-11-28 | 旭化成株式会社 | 経編地 |
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| CN110382758B (zh) * | 2017-03-30 | 2020-11-06 | 世联株式会社 | 经编织物及其制造方法 |
| TWI858297B (zh) | 2020-12-02 | 2024-10-11 | 日商泉工醫科工業股份有限公司 | 監控裝置以及輔助循環裝置 |
| CN112921489B (zh) * | 2021-01-21 | 2022-08-05 | 互太(番禺)纺织印染有限公司 | 一种具有凉感功能的立体面料及其制备方法和应用 |
| US20240384450A1 (en) * | 2021-04-13 | 2024-11-21 | Toray Fibers & Textiles Research Laboratories (China) Co., Ltd. | Free cut warp-knitted fabric and use thereof |
| CN114318890B (zh) * | 2021-12-20 | 2024-10-18 | 江苏三联新材料股份有限公司 | 一种轻质抗压缩经编弹性仿皮革面料及其制备工艺 |
| JP7478315B1 (ja) * | 2024-01-05 | 2024-05-02 | 株式会社ヴィオレッタ | メッシュ経編地及び繊維製品 |
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| CN103046201A (zh) * | 2013-01-18 | 2013-04-17 | 苏州创宇织造有限公司 | 一种防脱散面料 |
| CN104233605A (zh) * | 2014-09-22 | 2014-12-24 | 福建凤竹纺织科技股份有限公司 | 一种等模量四面弹针织面料及其生产工艺 |
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- 2017-10-03 TW TW106134147A patent/TWI732049B/zh not_active IP Right Cessation
- 2017-10-03 KR KR1020197009078A patent/KR102212236B1/ko not_active Expired - Fee Related
- 2017-10-03 AU AU2017340881A patent/AU2017340881B2/en not_active Ceased
- 2017-10-03 RU RU2019108846A patent/RU2704924C1/ru active
- 2017-10-03 EP EP17858402.5A patent/EP3524723A4/en not_active Withdrawn
- 2017-10-03 CN CN201780059760.1A patent/CN109790661B/zh active Active
- 2017-10-03 CA CA3038041A patent/CA3038041C/en active Active
- 2017-10-03 US US16/337,859 patent/US11105026B2/en not_active Expired - Fee Related
- 2017-10-03 JP JP2018543922A patent/JP6768818B2/ja active Active
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2020
- 2020-09-23 JP JP2020158685A patent/JP6970260B2/ja active Active
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019225713A1 (ja) * | 2018-05-25 | 2019-11-28 | 旭化成株式会社 | 経編地 |
| JPWO2019225713A1 (ja) * | 2018-05-25 | 2020-12-17 | 旭化成株式会社 | 経編地 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3524723A1 (en) | 2019-08-14 |
| CA3038041C (en) | 2021-02-09 |
| US11105026B2 (en) | 2021-08-31 |
| RU2704924C1 (ru) | 2019-10-31 |
| AU2017340881A1 (en) | 2019-04-18 |
| KR20190041010A (ko) | 2019-04-19 |
| TWI732049B (zh) | 2021-07-01 |
| CN109790661B (zh) | 2021-01-05 |
| KR102212236B1 (ko) | 2021-02-04 |
| CA3038041A1 (en) | 2018-04-12 |
| CN109790661A (zh) | 2019-05-21 |
| EP3524723A4 (en) | 2019-10-23 |
| JP2020200580A (ja) | 2020-12-17 |
| JP6970260B2 (ja) | 2021-11-24 |
| JP6768818B2 (ja) | 2020-10-14 |
| US20190233990A1 (en) | 2019-08-01 |
| AU2017340881B2 (en) | 2020-01-02 |
| TW201814096A (zh) | 2018-04-16 |
| JPWO2018066565A1 (ja) | 2019-06-24 |
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