JP6082373B2 - Sweat-absorbing knitted fabric and method for producing the same - Google Patents

Description

  The present invention relates to the field of fibers, and more particularly to a sweat-absorbing knitted fabric with good sweat-absorbing property and a method for producing the same.

  In recent years, socks and shirts having hygroscopicity braided with polyester fiber yarns having an irregular cross section have been proposed and marketed. However, these have hygroscopicity as compared with those of conventional synthetic fiber yarns, but have low sweat absorption and cannot meet the demands of consumers.

  Therefore, as a result of various trial manufactures, the present applicant has found that when natural fiber cotton is covered with the core yarn of an elastic yarn, good moisture absorption and quick drying characteristics can be obtained.

Utility Model Registration No. 317041

  The covering yarn that covers the natural fiber yarn of hygroscopic cotton as described above has the property of moisture absorption and quick-drying, and also uses this as a back thread to directly touch the skin of the foot to absorb moisture such as sweat. It was found that the surface area could be increased and drying could be performed quickly.

  Then, the present inventors further studied the covering yarn. As a result of finding that the multifilament covering yarn of the synthetic fiber has a hygroscopic property, and obtained a further hygroscopic property, the present invention was achieved.

  The present invention has been made in view of the above points, and in order to solve the above-described problems, the multifilaments of a monofilament parallel bundle are formed by loosening the twists of the twisted multifilaments. It is another object of the present invention to provide a sweat-absorbing knitted fabric characterized in that an underwear knitted fabric is knitted with a covering yarn obtained by covering a multifilament bundled with a core yarn.

  Another object of the present invention is to provide a sweat-absorbing knitted fabric characterized in that a covering yarn obtained by covering multifilaments in parallel bundles of monofilaments with a core yarn is used as a back yarn and knitted together with a front yarn.

  Furthermore, we offer a sweat-absorbing knitted fabric that is knitted by forming a covering yarn by covering a multifilament made of parallel filaments of monofilament by untwisting the twisted multifilament and covering it on the surface yarn There is.

Furthermore, another object of the present invention is to provide a sweat-absorbing knitted fabric characterized in that an underwear knitted fabric is knitted with a covering yarn in which a multifilament of 24 to 72 bundles and 50 to 150 denier is covered with a core yarn.

  Furthermore, the twisting of the twisted multifilament is loosened to cover the multifilament in a monofilament parallel bundle on the core yarn to form a covering yarn, and this covering yarn is supplied to the knitting machine. It is another object of the present invention to provide a sweat-absorbing knitted fabric characterized by producing an underwear knitted fabric.

  In the present invention, as in claim 1 of the claims, a multifilament of parallel bundles of monofilaments is formed by untwisting the twisted multifilaments, and the multifilaments of the parallel bundles are formed. By knitting the underwear knitting with a covering yarn in which the filament is covered with the core yarn, capillary action can be generated between the monofilament fiber yarns of the multifilament, and the sweat from the skin wearing the underwear is multifilament It can be sucked in between the monofilaments, and it is possible to obtain a dry underwear with good sweat-absorbing property without stickiness or stuffiness. For this reason, it is possible to create an environment in which germs are sucked up and bacteria are difficult to propagate.

  Further, as in claim 2, a covering yarn is formed by covering a multifilament made of parallel bundles of monofilaments on a core yarn, and this covering yarn is used as a back yarn and knitted together with a front yarn. Thus, the covered back yarn directly touches the skin, and as described above, sweat can be absorbed between the fiber yarns of each monofilament by capillary action, and an underwear having good sweat absorption can be obtained. Therefore, as described above, it is possible to create an environment in which various kinds of germs are difficult to propagate by sucking up the sweat of the skin, and an antibacterial deodorizing effect can be obtained without using a processing agent.

  Further, as in claim 3, by knitting by twisting the twisted multifilament to form a covering yarn by covering the multifilament made into a parallel bundle of monofilaments on the surface yarn The sweat absorbed in the above-mentioned back thread can also be moved to the front thread side to make a sweat-absorbing quick-drying underwear.

Furthermore, as described in claim 4, by knitting an underwear knitted fabric with a covering yarn in which a multifilament of 24 to 72 bundles and 50 to 150 denier is covered with a core yarn, the sweat absorbency is good as described above. Underwear can be obtained, and the greater the number of multifilaments, the higher the capillary action and the better the sweat absorption.

  Furthermore, a covering yarn is formed by uncovering a twisted multifilament and covering the multifilament as a parallel bundle of monofilaments on the core yarn as in claim 5. By supplying the yarn to the knitting machine and producing an underwear knitted fabric, an underwear knitted fabric with good sweat absorption can be produced as described above.

The side view of the sock of one example of the present invention, Schematic explanatory diagram covering the same multifilament to the core yarn, Schematic explanatory diagram of the twisting of the multifilament with the same twist, An enlarged photo (a) of the multifilament twisted and an enlarged photo (b) of unraveling the twist, An enlarged photograph of a bundle of monofilaments unraveling the twist of the multifilament (a), An enlarged view of the knitting structure in which the same back yarn is braided with the front yarn, Enlarged view of the other knitting structure in which the same back yarn is braided with the front yarn The enlarged view of the other knitting structure which also covered the surface yarn same as the above.

  The sweat-absorbing knitted fabric of the present invention is a covering yarn in which twists of twisted multifilaments are loosened to form multifilaments of parallel bundles of monofilaments, and the multifilaments of the parallel bundles are covered with a core yarn. It is characterized by knitting underwear.

  As shown in FIG. 1, the sweat-absorbing knitted fabric 1 is suitable for underwear that directly contacts the skin of socks, shirts, shorts, tights, and other underwear. The multifilament 2 is formed into a parallel bundle, and the multifilament 2 formed into a parallel bundle is covered with a core yarn 3 such as an elastic yarn as shown in FIG. 6 and braided together.

  As shown in FIG. 3, the multifilament 2 uses water or air fluid jet processing such as Taslan processing, and twists the synthetic filament yarn multifilament 2 that has been twisted in the manufacturing process 7 with a fluid jet. The water and air heated to a predetermined temperature of 100 to 200 ° C. are sprayed at a required high pressure and drawn out with a predetermined force to loosen the twist of the multifilament 2 and be bulky. In addition, the fiber yarns of the monofilaments that have been untwisted are made into parallel bundles so that a water absorption effect due to capillary action occurs between the monofilaments.

  FIG. 4 (a) is an enlarged photograph of the twisted multifilament before untwisting, and FIG. 4 (b) is an enlarged photograph of the untwisted twist as described above. When the multifilament is untwisted, FIG. As described above, the monofilament is formed into a linear parallel bundle, and capillary action can be generated between the monofilament fiber yarns.

  The parallel multifilament 2 formed in this way is supplied to a covering device (not shown) as shown in FIG. 2, wound around the core yarn 3 at an appropriate interval, and covered, so-called An FTY covering yarn 4 is formed so that the covering yarn 4 can exhibit sweat absorption. If necessary, a double cover ring can be used.

  As the multifilament 2, it is preferable to use a synthetic fiber filament containing polyester, polypropylene and nylon of 24 to 72 bundles, preferably 24 to 48 bundles of multifilament 50 to 150 denier, preferably 70 to 100 denier. As the core yarn 3, it is preferable to use an elastic yarn of a synthetic fiber including a monofilament polyurethane yarn of 20 to 100 denier, but natural fiber yarns such as cotton and hemp can also be used. The larger the number of multifilaments, the higher the capillary phenomenon and the better the sweat absorption. However, practically, multifilaments having a bundle of 24 to 72 are preferred.

  For example, the covering yarn 4 formed as described above as shown in FIG. 6 is used as the back yarn 5, and the yarn is fed together with the front yarn 6 to a circular knitting machine or the like, and necessary knitting such as flat knitting, mesh knitting, rubber knitting, etc. As a tissue, the sweat-absorbing knitted fabric 1 can be knitted. With respect to underwear such as shirts and shorts, and knitted fabrics such as stomach wraps and gloves, the necessary fiber yarns can be selected and knitted in the same manner. In addition, it can also be set as the knitting of a well-known or well-known pattern knitting and a colorful color pattern.

  Further, as shown in FIG. 7, the front yarn 6 and the back yarn 5 can be used together with the rubber yarn 9 or the required auxiliary yarn, and the knitted fabric can be knitted as a knitting structure such as flat knitting, mesh knitting, rubber knitting, or the like. These are preferably used for the mouth part of the socks, the wrist part of the long sleeve, the waist part of the underwear such as tights, and the ankle part for particularly proper tightening.

  Further, the front yarn 6 can also be covered as described above and braided together with the back yarn 5 as shown in FIG. 8 to knit the sweat-absorbing knitted fabric 1 such as socks. When the cover yarn 6 is covered, the moisture absorbed by the back yarn 5 as described above can be moved to the front yarn 6, and the sweat-absorbing quick-drying property can be improved.

  The multifilament 2 thus twisted is fed to the twister 7 with a fluid jet to untwist the multifilament 2 to increase the bulkiness, and the monofilament fiber yarns that have been untwisted are parallel. As a bundle of water, a water absorption effect by capillary action can be generated between the monofilaments, and an underwear with a good sweat-absorbing property can be obtained without stickiness or stuffiness.

  In particular, when the covering yarn 4 in which the multifilaments 2 in the form of parallel bundles of monofilaments are covered with the core yarn 3 is used as the back yarn 5 and knitted together with the front yarn 6, the covered back yarn 5 is directly applied to the skin. By touching, sweat can be absorbed between the monofilament fiber yarns of the multifilament 2 by capillary action, and an undergarment with good sweat absorption can be obtained.

As the core yarn 3, natural fiber yarn of cotton or hemp can be used, and it is preferable to use an elastic yarn of synthetic fiber including a monofilament polyurethane yarn of 20 to 100 denier as described above.
Further, as the front yarn 6, monofilament and multifilament synthetic resin yarns can be used, and cotton, hemp, rayon, and fibers having a hygroscopic property of a blended yarn obtained by blending these can be used. It is preferable to use hemp moisture-absorbing and quick-drying 10-40 (20 / 2-80 / 2), and it is preferable to use these compact yarns. The natural fiber yarn may be a blend of 100 to 0% cotton and 0 to 100% hemp.

  Furthermore, in the above, the fluid jet processing of water or air is used, and the multifilament 2 of the synthetic fiber yarn that has been twisted in the manufacturing process is untwisted, but the twist is not applied from the initial manufacturing process. The modified embodiment can be used as appropriate in accordance with the gist of the present invention, such as using the multifilament 2 manufactured in the above, and the knitted fabric such as socks has been described. The same applies to the knitted fabrics used.

1 to 6 show an embodiment of the present invention. The sweat-absorbing knitted fabric 1 is an embodiment in which socks are knitted with FTY covering yarn 4 as shown in FIGS. 1 and 2, and 30 bundles of 75-denier polyester yarn multifilament 2 is formed by liquid jet processing as shown in FIG. As shown in FIG. 5, the covering yarn 4 is covered by covering the multifilament 2 in the form of a parallel bundle of monofilaments with a core yarn 3 of a 30 denier monofilament polyurethane yarn. The yarn 5 was fed to a required circular knitting machine together with a surface yarn 6 of 75 denier multifilament polyurethane yarn and knitted as a flat knitted structure from the toe to the ankle as shown in FIG.
Table 1 shows the percentage of dehydration before and after wearing the instep and sole of the sock, compared with 100% cotton covering yarn of C360 and 30/70 FTY regular covering yarn described in Table 1. It is compared with the example.

Table 1 Comparison of dehydration fraction before and after wearing the instep and sole of socks

  As a result, as shown in Table 1, this example has almost no skin moisture content on the instep side of the foot, but the dehydration rate is high on the back side of the foot, and the water absorption of this example can be said to be effective.

Table 2 Comparison of dehydration fraction before and after wearing the socks and soles of socks

Table 2 shows an example in which the sweat-absorbing knitted fabric 1 is an embodiment in which socks are knitted with FTY covering yarns 4 as shown in FIGS. 1 and 2 in the same manner as described above, and 30 bundles of 75-denier polyester yarn multifilament 2 is liquid. Covering by unwinding the twist by jet processing and unwinding the twist as shown in FIG. 5 to cover the multifilament 2 in a monofilament parallel bundle to the core yarn 3 of polyurethane yarn of 30 denier monofilament polyurethane yarn The yarn 4 is used as the back yarn 5, and the yarn is fed to the required circular knitting machine together with the 65 denier double yarn polar crepe, 100% cotton, multifilament polyethylene plied yarn surface yarn 6 and a flat knitting structure from the toe to the ankle. As organized.
Table 2 shows the percentage of dehydration before and after wearing the instep and sole of the socks, compared to the C360 cotton covering yarn described in Table 2 and the 30/70 FTY regular covering yarn. It is compared with the example.

  As a result, as shown in Table 2, in this example, the moisture content of the skin is high on the back side of the foot, the dehydration rate is high on the back side of the foot, and the water absorption of this example is effective. It seems that moisture has moved.

  Moreover, the questionnaire was implemented about the above-mentioned socks of this invention. As a result, the sock of the present invention has a good fit, and is smooth, has no stickiness or stuffiness, the bottom of the sock is well-ventilated and stuffy, the feet are slick, feels good, and is worn After taking off, many respondents said that there was no stickiness and it felt good.

  In this way, the twisted multifilament is loosened to form a multifilament 2 in a parallel bundle of monofilaments, and a covering yarn 4 covering the multifilament 2 in the parallel bundle with a core yarn 3 is used. In addition, sweat from the skin attached by capillary action can be sucked in between the monofilament fiber yarns of the multifilament 2, and an underwear with good sweat-absorbing property without stickiness and stuffiness can be obtained. Therefore, it is possible to create an environment in which various kinds of germs are difficult to propagate by sucking up the sweat of the skin, and an antibacterial deodorizing effect can be obtained without using a processing agent.

  Further, a multifilament 2 made of parallel bundles of monofilaments is covered with a core yarn 3 to form a covering yarn 4, and this covering yarn 4 is used as a back yarn 5 and knitted together with a front yarn 6. The back yarn 5 directly touches the skin, and as described above, sweat can be absorbed between the fiber yarns of each monofilament by capillary action, and an undergarment with good sweat absorption can be obtained. Therefore, as described above, it is possible to create an environment in which various kinds of germs are difficult to propagate by sucking up the sweat of the skin, and an antibacterial deodorizing effect can be obtained without using a processing agent.

  FIG. 7 shows another embodiment of the present invention. The sweat-absorbing knitted fabric 1 is inserted by inserting rubber yarn 9 between the front yarn 6 and the back yarn 5 into the mouth portion of the sock as shown in FIG. In addition, it can be knitted with an appropriate tightening force, for example, an appropriate tightening knitting structure.

  FIG. 8 shows still another embodiment of the present invention. The sweat-absorbing knitted fabric 1 covers the front yarn 6 as described above as shown in FIG. 8, and the covered front yarn 6 as described above. The socks are knitted by feeding them together with the back thread 5. In this way, the front yarn 7 can be covered, and by doing so, the sweat absorbed in the back yarn 5 can be moved to the front yarn 6 side, and a sweat-absorbing quick-drying underwear can be obtained.

  In the above description, the knitted socks have been described. However, for the underwear such as shirts and shorts, and the knitted fabric such as gloves and belly band, the necessary fiber yarns can be selected and knitted in the same manner.

  The present invention can be widely used for knitted underwear such as socks, shorts, shirts and tights.

    DESCRIPTION OF SYMBOLS 1 ... Sweat knitted fabric 2 ... Fiber yarn 3 ... Core yarn 4 ... Covering yarn 5 ... Back yarn 6 ... Front yarn 7 ... Twist loosening tool

Claims (5)

  Loosely twisted multifilaments to form multifilaments of monofilament parallel bundles, and knitted underwear with a covering yarn in which the multifilaments of the parallel bundles were covered with a core yarn Sweat-absorbing knitted fabric characterized by   The sweat-absorbent knitted fabric according to claim 1, wherein a covering yarn obtained by covering multifilaments in a monofilament parallel bundle with a core yarn is knitted together with a front yarn.   The knitting is performed by forming a covering yarn by covering a multifilament made of a parallel bundle of monofilaments by untwisting the twisted multifilament and forming a covering yarn. The sweat-absorbing knitted fabric described. The sweat-absorbing knitted fabric according to any one of claims 1 to 3, wherein an underwear knitted fabric is knitted with a covering yarn in which a multifilament of 24 to 72 bundles and 50 to 150 denier is covered with a core yarn.   Uncover the twisted multifilaments and cover the core filaments with multifilaments made into a parallel bundle of monofilaments to form a covering yarn, and then supply this covering yarn to the knitting machine. The method for producing a sweat-absorbing knitted fabric according to any one of claims 1 to 4, wherein a knitted fabric is produced.