KR20000063527A - shoes sole and its manufacturing method - Google Patents
shoes sole and its manufacturing method Download PDFInfo
- Publication number
- KR20000063527A KR20000063527A KR1020000041540A KR20000041540A KR20000063527A KR 20000063527 A KR20000063527 A KR 20000063527A KR 1020000041540 A KR1020000041540 A KR 1020000041540A KR 20000041540 A KR20000041540 A KR 20000041540A KR 20000063527 A KR20000063527 A KR 20000063527A
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- South Korea
- Prior art keywords
- midsole
- outsole
- sole
- mold
- manufacturing
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 229920002635 polyurethane Polymers 0.000 claims abstract description 11
- 239000004814 polyurethane Substances 0.000 claims abstract description 11
- 239000012948 isocyanate Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 150000002513 isocyanates Chemical class 0.000 claims description 5
- 229920005862 polyol Polymers 0.000 claims description 5
- 150000003077 polyols Chemical class 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000004636 vulcanized rubber Substances 0.000 claims description 4
- 238000010097 foam moulding Methods 0.000 claims description 3
- 239000011550 stock solution Substances 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 abstract description 15
- 239000005060 rubber Substances 0.000 abstract description 15
- 238000005187 foaming Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- -1 accelerator Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/14—Multilayered parts
- B29D35/142—Soles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
본 발명은 중창과 겉창이 일체로 제조되는 신발 밑창에 관한 것으로, 더욱 상세하게는 신발용 겉창과 중창을 단일 공정에서 형성시킴과 동시에 상호 접착되어 일체화된 신발용 밑창 및 그 제조방법에 관한 것이다.The present invention relates to a shoe sole in which the midsole and the outsole are integrally manufactured. More particularly, the present invention relates to a shoe sole and a manufacturing method of the shoe sole and the sole which are integrally bonded to each other at the same time.
신발용 겉창은 대개 고무로 만들어지며, 그 공정은 다음과 같다. 천연 및 합성 고무에 가교제, 촉진제, 충진제, 기타 약품을 혼합하여 롤 작업을 한 후 적당량의 시트상의 미 가류고무를 겉창 성형용 금형에 넣고 가열가압 프레스로 금형모양의 겉창을 제조한다. 최근에는 열가소성탄성체를 이용하여 겉창 모양의 금형 내부에 상기 수지를 직접 사출하여 겉창을 제조하는 방법도 적용되고 있다. 그러나 열가소성탄성체는 아직까지 고무의 우수한 물성을 만족시키지 못하여 그렇게 많이 사용되지는 않고 있다.Shoe soles are usually made of rubber and the process is as follows: The cross-linking agent, accelerator, filler, and other chemicals are mixed with natural and synthetic rubbers and rolled. An appropriate amount of sheet-like vulcanized rubber is placed in a mold for outsole molding, and a mold-shaped outsole is manufactured by a hot press. Recently, a method of manufacturing an outsole by directly injecting the resin into an outsole mold using a thermoplastic elastomer is applied. However, thermoplastic elastomers do not satisfy the excellent physical properties of rubber yet and are not used so much.
신발용 중창은 통상 에틸렌비닐아세테이트공중합체(이브이에이수지)를 먼저 스폰지 형태로 발포시킨 후 중창모양의 금형에 넣고 가열가압하여 중창을 만드는 방법과, 원하는 중창 모양 보다 적은 크기로 형성된 금형내에 사출기를 이용하여 발포성 이브이에이 수지를 사출하여 발포하여 금형 개방과 동시에 원하는 크기의 중창으로 만드는 방법이 있다. 또한 중창용 금형에 폴리올과 이소시아네이트 등의 폴리우레탄 원료를 넣고 금형을 밀폐시킨 후 적당한 온도에서 중합반응과 발포 성형을 동시에 수행하는 폴리우레탄 중창 성형법 있다.Shoe midsoles are usually foamed with an ethylene vinyl acetate copolymer (EVE resin) into a sponge, then placed in a midsole-shaped mold and heated and pressurized to create a midsole; There is a method of injecting a foamable YB resin and foaming the foam to make the midsole of the desired size at the same time as the mold opening. In addition, there is a polyurethane midsole molding method in which a polyurethane raw material such as polyol and isocyanate is put into a midsole mold, and the mold is sealed, and then polymerization and foam molding are simultaneously performed at a suitable temperature.
이렇게 제조된 겉창과 중창 및 갑피를 이용하여 신발을 제조하는 공정은, 중창과 겉창을 세척제 등을 사용하여 표면의 불순물을 제거하기 위하여 세척한 후 건조하고, 중창과 겉창에 각각 프라이머를 코팅하고 다시 건조 후, 겉창과 중창에 접착제를 코팅한 후 다시 건조한 후, 겉창과 중창을 접착하여 상호 접착하여 일체화된 밑창을 제조한다. 일체화된 신발용 밑창과 갑피를 접착시켜 완성된 신발을 제조한다. 이렇게 신발용 밑창을 제조하는 경우 신발용 밑창의 제조에 많은 공정이 소요되고 따라서 제조경비가 상승되어 결국에는 제조업체의 경쟁력이 약화되는 문제점이 제기되고 있다.The process of manufacturing shoes using the soles, midsoles and uppers prepared in this way, after washing the midsoles and outsoles to remove impurities on the surface using a cleaning agent, etc., the primers are coated on the midsoles and outsoles, and again After drying, the outsole and the midsole is coated with an adhesive and then dried again, the outsole and the midsole are adhered to each other to prepare an integrated sole. The finished shoe is manufactured by bonding the upper with the integrated shoe sole. In the case of manufacturing shoe soles like this, a lot of processes are required for the manufacture of shoe soles, and thus manufacturing costs are increased, resulting in a weakening of the manufacturer's competitiveness.
이러한 문제점을 해결하기 위하여 대한민국 공개특허 제20-0017890호에서는 겉창과 중창의 동시 일체 성형 방법에서 겉창용 미가류 고무시트를 겉창용 금형에 위치하고 중창용 금형에 이브이에이 발포체를 위치시켜 이브이에이 발포체를 압축하여 겉창과 중창이 일체로 성형되는 방법을 제시하고 있으나 이러한 방법은 중창내에 에어큐숀 등 삽입물이 있는 경우 적용할 수 없는 문제점이 있다.In order to solve this problem, Korean Patent Publication No. 20-0017890 discloses the Yves foam by placing a non-vulcanized rubber sheet for outsole in a mold for outsole and placing Yves foam in the mold for midsole in a simultaneous integral molding method of outsole and midsole. It proposes a method of molding the outsole and the midsole integrally by compression, but this method has a problem that cannot be applied when there is an insert such as an air cushion in the midsole.
따라서 본 발명은 상기의 문제점들을 해결하기 위한 것으로, 신발용 겉창과 중창을 동시에 성형하면서 일체로 접착이 이루어지면서도 특히 중창내부에 에어백 등의 내용물이 삽입될 수 있는 신발용 밑창 및 그 제조방법을 제공하여 신발용 밑창의 제조공정을 단순화하고 저렴한 신발용 밑창을 제공하는데 그 목적이 있다.Accordingly, the present invention is to solve the above problems, while the shoe sole and the sole is molded at the same time while the shoe sole and the manufacturing method for the sole that can be inserted into the contents, such as airbags inside the midsole, The purpose of the present invention is to simplify the manufacturing process of shoe soles and to provide an inexpensive shoe sole.
도 1는 본 발명에 의한 신발 겉창 제조용 겉창용 금형1 is a mold for outsole for manufacturing shoe outsole according to the present invention
도2는 본 발명의 의한 신발 겉창 제조용 중창용 금형Figure 2 is a shoe sole for manufacturing a shoe outsole according to the present invention
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
100:하부금형 110:겉창 형성부100: lower mold 110: outsole formation
120:겉창 130:중창형성부120: outsole 130: midsole forming unit
200:겉창용 상부금형 300:중창용 금형200: upper mold for outsole 300: midsole mold
400:중창용 상부금형400: Upper mold for midsole
본 발명은 신발용 겉창과 중창을 단일 공정에서 성형하면서 동시에 접착이 이루어진 신발 밑창 및 그의 제조 방법에 관한 것으로, 겉창 성형부(110)가 구비된 하부금형(100)에 미가류고무를 삽입 성형하는 단계와; 상기 하부금형(100) 위로 형성된 겉창(120)의 상부에 프라이머를 코팅하는 단계와; 하부금형(100)위로 중창 형성부가 구비된 중간 금형(300)을 위치시키는 단계와; 성형된 겉창(120)의 상부에 중창용 폴리우레탄 반응 원액을 금형 내부로 넣고 중창용 상부금형(400)을 닫은 다음 폴리올과 이소시아네이트를 중창 모양의 폴리우레탄으로 발포 성형시키는 단계로 구성된 신발용 겉창과 중창이 일체로 성형과 동시에 접착이 이루어진 신발 밑창 및 그 제조방법에 관한 것이다.The present invention relates to a shoe sole and a method for manufacturing the shoe sole and the midsole is molded at the same time while molding in a single process, the outsole molding portion 110 is formed by inserting the unvulcanized rubber into the lower mold 100 Steps; Coating a primer on an upper portion of the outsole (120) formed on the lower mold (100); Positioning an intermediate mold (300) having a midsole forming portion on the lower mold (100); Outsole for shoes consisting of the step of putting the polyurethane reaction stock solution for the midsole in the upper part of the molded outsole 120 into the mold and closing the upper mold 400 for the midsole and then foam-molding the polyol and isocyanate with a polyurethane in the shape of the midsole It relates to a shoe sole and a method for manufacturing the shoe sole is made of a molded and bonded at the same time.
이와 본 발명을 더욱 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail.
본 발명에서의 겉창 성형부가 구비된 하부 금형에 삽입되는 미가류 고무로는 천연고무, 스티렌부타디엔고무, 부틸고무, 이피디엠고무, 이소프렌고무, 클로로프렌고무 등의 단독 혹은 혼합물에 가류제, 촉진제, 충진제, 가공제 등의 약품이 배합되고 롤 작업된 미가류 고무가 사용될 수 있다.In the present invention, as the unvulcanized rubber inserted into the lower mold provided with the outsole molding part, a vulcanizing agent, accelerator, filler, or the like in natural rubber, styrene butadiene rubber, butyl rubber, EPDM rubber, isoprene rubber, chloroprene rubber or the like or mixture thereof Chemicals such as processing agents and the like, and unrolled rubbers rolled can be used.
미가류 고무를 겉창 성형부의 하부금형에 삽입하는 단계로는, 상기의 미가류 고무를 시트화하여 하부금형(100)의 크기에 맞게 절단하여 넣는 방법이 있다. 이러한 경우 가공장비의 설치비가 적게 드는 장점이 있다. 미가류 고무 시트를 겉창 형성부(110)에 내부에 삽입하는 경우 삽입된 미가류 고무시트를 금형의 미세한 부분에까지 충분히 삽입시키기 위하여 하부금형과 상부금형을 상호 압축하여 미가류 고무시트를 원하는 형태로 만들고 상부금형을 제거한다. 겉창용 하부금형(100)과 상부금형(200)을 상호 압축하여 미가류고무의 형태를 고정하는 공정에서는 하부금형(100)의 온도는 80℃에서 150℃가 적당하며, 압축력은 1톤에서 200톤의 압력이 적당하다. 미가류 고무 시트를 가열 압축하는 시간은 1분에서 30분이 적당하다. 압축 시간이 너무 짧으면 미가류 고무시트가 금형내부에 충분히 밀착되지 않는되자 않는 문제가 발생할 수 있다. 압축온도가 너무 낮을 경우 고무가 냉각되어 금형의 하부에 충분히 밀착되기 어렵다. 압축력이 너무 낮을 경우 역시 미가류 고무시트가 금형의 하부에 충분히 밀착되기 어렵게 된다. 삽입고무 시트를 압축하는 공정에서 가열온도와 압축시간을 조절하여 압축과 동시에 가류반응시키는 것도 가능하다.As a step of inserting the unvulcanized rubber into the lower mold of the outsole molding portion, there is a method of cutting the sheet into the size of the lower mold 100 by sheeting the unvulcanized rubber. In this case, there is an advantage that the installation cost of the processing equipment is low. When the unvulcanized rubber sheet is inserted into the outsole forming unit 110, the lower mold and the upper mold are mutually compressed so that the inserted unvulcanized rubber sheet is sufficiently inserted into the fine part of the mold. Make and remove the upper mold. In the process of fixing the outsole lower mold 100 and the upper mold 200 mutually to fix the form of the vulcanized rubber, the temperature of the lower mold 100 is suitable at 80 ° C. to 150 ° C., and the compressive force is 200 to 1 ton. Ton pressure is adequate. As for the time to heat-compress an unvulcanized rubber sheet, 1 to 30 minutes are suitable. If the compression time is too short, a problem may occur that the unvulcanized rubber sheet is not sufficiently adhered to the mold. If the compression temperature is too low, the rubber cools and hardly adheres sufficiently to the bottom of the mold. If the compressive force is too low, it is also difficult for the unvulcanized rubber sheet to sufficiently adhere to the bottom of the mold. In the process of compressing the insert rubber sheet, it is also possible to control the heating temperature and the compression time to perform the vulcanization reaction simultaneously with the compression.
겉창의 모양이 완성된 후 겉창용 상부금형(200)을 열고 중창용 금형(300)을 위치시킨다. 중창과 겉창의 접착력을 증가시키기 위하여서는 겉창용 금형 뚜껑을 연 후 겉창의 상부(중창과 접착하는 부분)에 프라이머 혹은 접착제를 코팅할 수도 있다. 프라이머로서는 트리클로로이소시아누릭산 등과 같은 통상의 프라이므를 사용하는 것이 가능하다. 접착제로는 핫멜트 접착제, 폴리우레탄 접착제, 클로로프렌 접착제 등의 통상적인 접착제를 사용할 수 있다. 중창내부에 에어백, 충격흡수 물건 등이 삽입될 필요가 있는 경우 삽입물을 중창용 금형내부에 위치시킨 후 중창의 발포 폴리우레탄으로 반응할 수 있는 폴리올과 이소시아네이트 혼합 원액을 중창용 금형 내부에 넣는다. 다음 중창용 금형의 뚜껑을 닫고 폴리우레탄으로 붕합 발포될 수 있도록 60℃-150℃ 금형을 가열 한다. 가열 시간은 폴리올과 이소시아네이트로 구성된 반응 원액의 조성과 가열온도 등에 따라 달라지게되나 5분에서 30분이 적당하다.After the shape of the outsole is completed, the upper mold 200 for the outsole is opened and the mold 300 for the midsole is positioned. In order to increase the adhesion between the midsole and the outsole, the primer cover or the adhesive may be coated on the upper part of the outsole (the part adhering to the midsole) after opening the outsole mold lid. As the primer, it is possible to use conventional primers such as trichloroisocyanuric acid and the like. As the adhesive, conventional adhesives such as hot melt adhesives, polyurethane adhesives and chloroprene adhesives can be used. When the airbag, shock absorbing material, etc. need to be inserted into the midsole, the insert is placed in the mold for the midsole, and then a polyol and isocyanate mixed solution capable of reacting with the foamed polyurethane of the midsole is placed in the midsole mold. Next, close the lid of the midsole mold and heat the mold 60 ℃ -150 ℃ so that it can be aborted and foamed with polyurethane. The heating time depends on the composition of the reaction stock solution consisting of polyol and isocyanate and heating temperature, but is suitable for 5 to 30 minutes.
상기의 과정이 끝난 후 금형을 열고 냉각과정을 거친 후 제품을 꺼내면 겉창과 중창이 일체화된 신발용 밑창이 얻어진다.After the above process is completed, the mold is opened and the product is taken out after the cooling process, and the outsole and the sole for the sole is obtained.
상기와 같이 본 발명에서 제시한 방법으로 신발용 밑창을 제조하면, 겉창과 밑창을 각각 제조하여 접착하는 종래의 방법에 비하여 제조공정이 크게 단축되고 따라서 저렴한 가격으로 신발용 밑창을 제조할 수 있는 효과가 있다.As described above, when the shoe sole is manufactured by the method of the present invention, the manufacturing process is greatly shortened compared to the conventional method of manufacturing and bonding the outsole and the sole, respectively, and thus, the shoe sole can be manufactured at a low price. There is.
Claims (4)
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| KR1020000041540A KR20000063527A (en) | 2000-07-20 | 2000-07-20 | shoes sole and its manufacturing method |
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| KR1020000041540A KR20000063527A (en) | 2000-07-20 | 2000-07-20 | shoes sole and its manufacturing method |
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| KR20000063527A true KR20000063527A (en) | 2000-11-06 |
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Cited By (6)
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| KR20030089257A (en) * | 2002-05-17 | 2003-11-21 | 주식회사 동성화학 | Polyurethane resin for using molding |
| KR20040013918A (en) * | 2002-08-09 | 2004-02-14 | 이광수 | Method of molding outsole and midsole body for footwear |
| WO2011020757A2 (en) | 2009-08-17 | 2011-02-24 | Henkel Ag & Co. Kgaa | Method of manufacturing shoe using multi-functional primer |
| WO2011020758A1 (en) | 2009-08-17 | 2011-02-24 | Henkel Ag & Co. Kgaa | Multi-functional primer and method of manufacturing shoe using the same |
| EP3181650A1 (en) | 2015-12-18 | 2017-06-21 | Henkel AG & Co. KGaA | Process for manufacturing and bonding a shoe rubber outsole |
| EP3918942A1 (en) | 2020-06-02 | 2021-12-08 | Henkel AG & Co. KGaA | Process for manufacturing and bonding a shoe rubber outsole |
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| KR850007373A (en) * | 1984-04-12 | 1985-12-04 | 박우양 | Method and apparatus for manufacturing outsole |
| KR880008775A (en) * | 1987-01-08 | 1988-09-13 | 김룡진 | Manufacturing method of two-colored sole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20030089257A (en) * | 2002-05-17 | 2003-11-21 | 주식회사 동성화학 | Polyurethane resin for using molding |
| KR20040013918A (en) * | 2002-08-09 | 2004-02-14 | 이광수 | Method of molding outsole and midsole body for footwear |
| WO2011020757A2 (en) | 2009-08-17 | 2011-02-24 | Henkel Ag & Co. Kgaa | Method of manufacturing shoe using multi-functional primer |
| WO2011020758A1 (en) | 2009-08-17 | 2011-02-24 | Henkel Ag & Co. Kgaa | Multi-functional primer and method of manufacturing shoe using the same |
| KR20120062715A (en) * | 2009-08-17 | 2012-06-14 | 헨켈 아게 운트 코. 카게아아 | Method of manufacturing shoe using multi-functional primer |
| US8479336B2 (en) | 2009-08-17 | 2013-07-09 | Henkel Ag & Co. Kgaa | Multi-functional primer and method of manufacturing shoe using the same |
| US9028645B2 (en) | 2009-08-17 | 2015-05-12 | Henkel Ag & Co. Kgaa | Method of manufacturing shoe using multi-functional primer |
| EP3181650A1 (en) | 2015-12-18 | 2017-06-21 | Henkel AG & Co. KGaA | Process for manufacturing and bonding a shoe rubber outsole |
| US10779610B2 (en) | 2015-12-18 | 2020-09-22 | Henkel Ag & Co. Kgaa | Process for manufacturing and bonding a shoe rubber outsole |
| EP3918942A1 (en) | 2020-06-02 | 2021-12-08 | Henkel AG & Co. KGaA | Process for manufacturing and bonding a shoe rubber outsole |
| WO2021244778A1 (en) | 2020-06-02 | 2021-12-09 | Henkel Ag & Co. Kgaa | Process for manufacturing and bonding a shoe rubber outsole |
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