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20 the manufacture method of elastic hook-and-loop fastner for loop type using nylon fine denier fiber covering spandex yarn of 20denier and the hook-and-loop fastner thereof
20 the manufacture method of elastic hook-and-loop fastner for loop type using nylon fine denier fiber covering spandex yarn of 20denier and the hook-and-loop fastner thereof
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机译：20使用20旦尼尔尼龙细旦纤维包覆氨纶丝的环型弹性钩环扣件的制造方法及其钩环扣件
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摘要
The present invention relates to a method of manufacturing a stretchable loop-type velcro using a 20 denier nylon three-seam covering spandex yarn and a velcro fabric produced by the method. In the knitting machine, a polyester filament yarn is sloped, A knitting step S1 of knitting a spandex yarn and a nylon monofilament yarn while putting them at an intersection and knitting a warp yarn into a weaving structure; A hot water immersion step (S2) in which the knitted fabric is dipped in water at a temperature of 70 to 80 deg. C to shrink the nylon cedar covering spandex yarn and the nylon monofilament yarn projects in a loop shape; And dewatering and drying step (S3) in which the dipped fabric is dewatered and dried The manufacture of the loop type velcro having a loop on one side has been completed, and the loop type velcro thus produced is used for attachment together with the hook type velcro and can be used with a minimum length or area by stretchability.
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