KR930007203B1 - Process for the preparation of insole - Google Patents

Process for the preparation of insole Download PDF

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Publication number
KR930007203B1
KR930007203B1 KR1019910001816A KR910001816A KR930007203B1 KR 930007203 B1 KR930007203 B1 KR 930007203B1 KR 1019910001816 A KR1019910001816 A KR 1019910001816A KR 910001816 A KR910001816 A KR 910001816A KR 930007203 B1 KR930007203 B1 KR 930007203B1
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KR
South Korea
Prior art keywords
insole
heating
less
staple fiber
mixing
Prior art date
Application number
KR1019910001816A
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Korean (ko)
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KR920016051A (en
Inventor
홍원철
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주식회사 대우
김우중
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Priority to KR1019910001816A priority Critical patent/KR930007203B1/en
Publication of KR920016051A publication Critical patent/KR920016051A/en
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Publication of KR930007203B1 publication Critical patent/KR930007203B1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The insole for shoes is produced by mixing a polyester staple fiber (A) with a polypropylene staple fiber (B) ?the mixing wt. ratio of (A) to (B) = 75:25 - 80:20?, agitating the mixt., passing it through the carding machine to obtain a basic fabric of 800-900 g/m2, heating it at 190 deg.C or less, cooling it, cutting it to be a fixed size and shape, heating it at 200 deg.C or less, soft-melting it, and then molding it in the cold mold.

Description

인솔(Insole)의 제조방법Insole manufacturing method

본 발명은 신발에 사용되는 인솔의 제조방법에 관한 것이다.The present invention relates to a method of manufacturing an insole for use in shoes.

종래에는 신발의 인솔을 제조하기 위하여 EVA(Ethylene Vinyl Acetate Copolymer) 수지를 약제처리하여 겔 상태로 하고 150℃ 내지 200℃로 가열하여 발포상태로하며 냉각시킨후 이에 원단류를 부착하여 몰딩함으로써 인솔을 제작하였으나, 이는 기재(其材)로서 발포된 수지를 사용하는 것이어서 통기성을 전혀 기대할 수 없으며 흡습성이 저조하였던 것이므로, 신발에 넣어 사용시 발의 땀에 의한 악취가 발생하고 발의 피부가 심한 자극을 받게 되는 문제점이 있는 것이다.Conventionally, in order to manufacture insoles for shoes, EVA (Ethylene Vinyl Acetate Copolymer) resin is treated in a gel state and heated to 150 ° C to 200 ° C to be in a foamed state, cooled, and the fabric is attached to the insole by molding. However, this is because the foamed resin is used as the base material, so breathability is not expected at all, and the hygroscopicity is poor. Therefore, when used in a shoe, odor caused by sweat of the foot occurs and the skin of the foot is severely irritated. Is there.

본 발명의 목적은 인솔의 제조에 있어 기재로써 EVA 수지를 사용하지 않고 단섬유상의 부직포를 사용하되 인체의 체중에 의하여 형태 안정성이 저하되지 않도록 하면서도 탁월한 통기성, 흡습성, 탄력성 등을 얻도록 함으로써 종래의 EVA 기재로 된 인솔의 문제점을 해결할 수 있도록 하는 것이다.An object of the present invention is to use a short-fiber nonwoven fabric as a base material in the production of insoles, but to obtain excellent breathability, hygroscopicity, elasticity, etc., while preventing morphological stability from being degraded by the weight of the human body. It is to solve the problem of EVA insole.

이러한 본 발명의 목적은 연화점 및 용융점이 상이한 복수개의 종류로 된 원사로 부직포를 제조하고 이를 열 챔버에서 연화시킨 후 몰딩함으로서 달성될 수 있는 것으로 이를 첨부된 실시예에 따라 상세히 설명하면 다음과 같다.The object of the present invention can be achieved by manufacturing a nonwoven fabric with a plurality of kinds of yarns having different softening points and melting points, and then softening them in a thermal chamber and molding them in detail according to the accompanying examples.

먼저 연화점이 238℃-240℃이고 용융점이 255℃-260℃인 폴리에스터 스테이플 파이버와 연화점이 140℃-160℃이고 용융점이 165℃-173℃인 폴리 프로피렌 스테이플 파이버를 중량대비 75 : 25 내지 80 : 20로 하여 고루 혼합하고 소면기(Carding M/C)를 통과시킨후 여러겹으로 중첩시켜 400-500g/m2의 밀도로 하여 원단을 얻는다.First, a polyester staple fiber having a softening point of 238 ° C to 240 ° C, a melting point of 255 ° C to 260 ° C, and a polypropene staple fiber having a softening point of 140 ° C to 160 ° C and a melting point of 165 ° C to 173 ° C is 75:25 to 25 80: 20 is mixed evenly and passed through a carding machine (Carding M / C) and overlapped in multiple layers to obtain a fabric to a density of 400-500g / m 2 .

이와같이 하여 얻은 원지를 2겹으로 하여 니들펀칭(needle punching)함으로써 원단이 800-900g/m2정도가 되도록 한다.The original paper thus obtained is double-layered by needle punching to make the fabric about 800-900 g / m 2 .

이와같이 하여 얻은 최종원단을 190℃의 가열기에 넣고 10m/min의 속도로 통과시키면 폴리에스터 스테이플 파이버들에 폴리 프로피렌 스테이플 파이버가 용융되면서 고루 침투하게 되고, 이를 냉각시키면 통기성이 우수하면서도 형태안정성이 충분하고 탄력성이 우수한 최종원단을 얻게 되는 것이며, 이를 일정 사이즈, 일정형태로 절단하고 이어서 200℃의 가열기에 넣어 그 내부의 망상 컨베이어에 의하여 2m/min의 속도로 통과시키면 다시 폴리 프로피렌 스테이플 파이버가 연화 용융되면서 최종 원단이 연화되는 것이다.When the final fabric obtained in this way is put in a heater at 190 ° C. and passed at a speed of 10 m / min, the polypropylene pyrene staple fiber is infiltrated into the polyester staple fibers as it melts and is infiltrated evenly. The final fabric is excellent in elasticity, and is cut into a certain size and shape, and then put into a heater at 200 ° C. and passed through at a speed of 2 m / min by a mesh conveyor therein to soften the polypropene staple fiber again. The final fabric softens as it melts.

이러한 연화상태의 최종원단을 즉시 냉각몰드에 넣고 성형하면 원하는 형상으로 된 인솔을 얻을 수 있게 되는 것이다.The final fabric of the softened state is immediately put into the cooling mold and molded to obtain the insole of the desired shape.

이러한 본 발명에 의하여 제조된 인솔은 기재인 폴리에스터 스테이플 파이버가 폴리 프로피렌 스테이플 파이버에 의하여 결속된 상태 이어서 그 조작이 견고하여 형태안정성이 충분히 확보되는 것이며, 우수한 탄력성을 지니게 되는 것이어서, 신발의 착용감을 개선할 수 있는 것이고, 또한 단섬유상으로 된 것이어서 발포수지와는 격별한 통기성을 갖는 것이므로 발의 피부호흡에 도움을 줄 수 있게 되는 것이고, 무수히 많은 미세공간을 확보하여 흡습성이 우수하므로 땀에 의한 악취 발생을 억제하게 되는 것일뿐만 아니라, 섬유간의 결속이 견고하에 보푸라기가 발생하지 않게 되는 고품질의 인솔을 얻게 된다.The insole manufactured according to the present invention is a state in which the polyester staple fiber, which is a substrate, is bound by a polypropene staple fiber, and thus its operation is secured to ensure shape stability sufficiently and to have excellent elasticity, so that shoes are worn comfortably. It is also able to improve the, and also made of short-fiber, breathable distinction from the foamed resin is able to help the skin breathing of the foot, secures a myriad of micro-spaces and excellent hygroscopicity so sweat odor In addition to suppressing the occurrence, it is possible to obtain a high-quality insole that the lining between fibers is firm and no lint occurs.

Claims (1)

폴리에스터 스테이플 파이버와 폴리 프로피렌 스테이플 파이버 등 연화점 및 용융점이 상이한 이중의 원사를 중량대비 75 : 25-80 : 20의 비율로 섞고 교반하여 소면기를 통과시켜 800-900g/m2의 원단으로 한후 190℃ 이하의 온도로 가열하고 냉각시킨 다음 적정규격, 형태로 절단하고 200℃ 이하의 온도에서 가열하여 연화 용융시키며, 이를 냉각된 몰드에서 성형하여서 됨을 특징으로 하는 인솔(Insole)의 제조방법.Polyester staple fibers and polypropylene staple fibers, such as softening point and melting point of the different double yarn, based on the weight of the 75: 25-80: hanhu by mixing with stirring in a ratio of 20 was passed through a carding fabrics of 800-900g / m 2 190 Method of manufacturing an insole (Insole) characterized in that by heating to a temperature of less than ℃ ℃ and then cut to the appropriate specifications, forms, and softened and melted by heating at a temperature of 200 ℃ or less, it is molded in a cooled mold.
KR1019910001816A 1991-02-02 1991-02-02 Process for the preparation of insole KR930007203B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910001816A KR930007203B1 (en) 1991-02-02 1991-02-02 Process for the preparation of insole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910001816A KR930007203B1 (en) 1991-02-02 1991-02-02 Process for the preparation of insole

Publications (2)

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KR920016051A KR920016051A (en) 1992-09-24
KR930007203B1 true KR930007203B1 (en) 1993-08-04

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030068864A (en) * 2002-02-18 2003-08-25 홍진평 Method for manufacturing the moldable fabrics

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