KR100428868B1 - shoes bottom piece method of producing - Google Patents

shoes bottom piece method of producing Download PDF

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Publication number
KR100428868B1
KR100428868B1 KR10-2001-0031434A KR20010031434A KR100428868B1 KR 100428868 B1 KR100428868 B1 KR 100428868B1 KR 20010031434 A KR20010031434 A KR 20010031434A KR 100428868 B1 KR100428868 B1 KR 100428868B1
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KR
South Korea
Prior art keywords
injection hole
sole
auxiliary window
fabric
urethane
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KR10-2001-0031434A
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Korean (ko)
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KR20020092665A (en
Inventor
나정운
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조성희
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Priority to KR10-2001-0031434A priority Critical patent/KR100428868B1/en
Publication of KR20020092665A publication Critical patent/KR20020092665A/en
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Publication of KR100428868B1 publication Critical patent/KR100428868B1/en

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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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14008—Inserting articles into the mould
    • 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
    • B29D35/0009—Producing footwear by injection moulding; Apparatus therefor
    • B29D35/0018—Moulds
    • 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
    • B29D35/148—Moulds or apparatus therefor
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

본 발명은 구두 밑창 제조방법에 관한 것으로, 구두 밑창(10)의 형상에 따라 원단(1)을 재단하는 제1단계와; 상기 재단된 원단(1)을 프레스 가공하여 보조창(4)이 부착될 위치에 다수의 주입구멍(2)을 형성시키는 제2단계와; 상기 보조창(4)의 형상과 동일하게 상기 원단(1)에 조각기로 안착홈(3)을 형성시키는 제3단계와; 상기 주입구멍(2) 및 안착홈(3)이 형성된 원단(1)을 금형에 안착시키고 주입구멍(2)을 통해 상기 안착홈(3) 및 주입구멍(2)에 우레탄을 주입하여 보조창(4)을 사출성형하는 제4단계를 통해 구두 밑창을 제조하였다.The present invention relates to a shoe sole manufacturing method, the first step of cutting the fabric (1) according to the shape of the shoe sole (10); Press-processing the cut fabric 1 to form a plurality of injection holes 2 at a position to which the auxiliary window 4 is attached; A third step of forming a seating groove 3 in the fabric 1 in a manner similar to the shape of the auxiliary window 4; The fabric 1 having the injection hole 2 and the mounting groove 3 is seated in a mold, and urethane is injected into the mounting groove 3 and the injection hole 2 through the injection hole 2 to support the auxiliary window 4. Shoe sole is manufactured through the fourth step of injection molding.

그러므로, 주입구멍(2)과 안착홈(3)이 형성된 밑창(10)을 금형에 안착시키고 주입구멍(2)을 통해 우레탄을 주입하면 주입구멍(2) 및 안착홈(3)에 우레탄이 충진되면서 보조창(4)이 형성되며, 이와 같이 형성된 보조창(4)은 안착홈(3) 둘레 및 주입구멍(2) 둘레에 밀착되면서 밑창(10)에 확실하게 부착되므로 구두를 장기간 신고 다녀도 보조창(4)이 밑창(10)으로부터 떨어지지 않도록 하였다.Therefore, when the sole 10 having the injection hole 2 and the mounting groove 3 is seated in the mold and urethane is injected through the injection hole 2, the urethane is filled in the injection hole 2 and the mounting groove 3. While the auxiliary window (4) is formed, the auxiliary window (4) thus formed is securely attached to the sole (10) while being in close contact with the circumference of the seating groove (3) and the injection hole (2), the auxiliary window (4) ) Was not separated from the sole 10.

Description

구두 밑창 제조방법 {shoes bottom piece method of producing}Shoes sole piece method of producing}

본 발명은 구두에 관한 것으로, 특히 구두의 밑창에 부착되는 보조창을 확실하게 부착시키는 구두 밑창 제조방법에 관한 것이다.TECHNICAL FIELD The present invention relates to shoes, and more particularly, to a shoe sole manufacturing method for securely attaching an auxiliary window attached to a shoe sole.

일반적으로, 구두는 다른 신발들과 마찬가지로 그 종류가 매우 다양하며, 계절에 따라, 소비자의 취양에 따라 적절하게 선택하여 착용할 수 있다.In general, like the other shoes, the shoes are very diverse and can be appropriately selected and worn according to the season and the consumer's preference.

이러한 구두의 창 구조는 밑창과, 중창과, 안창 또는 깔창으로 이루어진다.The shoe structure of such shoes consists of soles, midsoles, insoles or insoles.

또한 밑창 저면에는 미끄럼 방지 등의 기능적인 측면과 미적 감각을 향상시키기 위해 보조창이 부착되기도 한다.In addition, the sole is attached to the bottom of the sole to enhance the functional aspect and aesthetics, such as anti-slip.

이 보조창을 밑창에 부착시키기 위해 밑창 저면에 보조창과 동일한 형상을 가지는 안착홈을 형성시키고 보조창 또는 안착홈에 접착제를 바른 후 이를 부착시키게 된다.In order to attach the auxiliary window to the sole, the bottom of the sole is formed with a recess having the same shape as the auxiliary window, and the adhesive is applied to the auxiliary window or the mounting groove and then attached thereto.

그런데 이러한 종래 구두 밑창 제조방법은, 보조창이 밑창의 안착홈에 단순히 접착제로 부착된 구조이기 때문에 밑창에서 쉽게 떨어지는 문제가 발생하였으며, 이러한 상태에서 보행하게 되면, 보조창이 밑창 및 바닥에 부딪히면서 불쾌한 소음이 발생되었다.By the way, such a conventional shoe sole manufacturing method, because the auxiliary window is simply attached to the seating groove of the sole has a problem that falls easily out of the sole, and when walking in this state, the auxiliary window hits the sole and the floor unpleasant noise Occurred.

상술한 문제를 해결하기 위한 본 발명의 목적은 구두의 밑창과 보조창이 확실하게 부착되도록 한 구두 밑창 제조방법을 제공하는데 있다.An object of the present invention for solving the above problems is to provide a shoe sole manufacturing method that is securely attached to the sole and the auxiliary sole of the shoe.

이와 같은 목적을 달성하기 위한 본 발명 구두 밑창 제조방법은, 구두 밑창 제조방법에 있어서, 구두 밑창의 형상에 따라 원단을 재단하는 제1단계와; 상기 재단된 원단을 프레스 가공하여 보조창이 부착될 위치에 다수의 주입구멍을 형성시키는 제2단계와; 상기 보조창의 형상과 동일하게 상기 원단에 조각기로 안착홈을 형성시키는 제3단계와; 상기 주입구멍 및 안착홈이 형성된 원단을 금형에 안착시키고 주입구멍을 통해 상기 안착홈 및 주입구멍에 우레탄을 주입하여 보조창을 사출성형하는 제4단계로 이루어진 것을 특징으로 한다.The shoe sole manufacturing method of the present invention for achieving the above object, in the shoe sole manufacturing method, the first step of cutting the fabric according to the shape of the shoe sole; Press-processing the cut fabric to form a plurality of injection holes at a position to which the auxiliary window is attached; A third step of forming a seating groove in the fabric with a sinker in the same shape as the auxiliary window; The fourth step of injection molding the auxiliary window by seating the fabric formed with the injection hole and the seating groove in the mold and injecting urethane into the seating groove and the injection hole through the injection hole.

따라서, 주입구멍과 안착홈이 형성된 밑창을 금형에 안착시키고 주입구멍을통해 우레탄을 주입하면 주입구멍 및 안착홈에 우레탄이 충진되면서 보조창이 형성되며, 이와 같이 형성된 보조창은 안착홈 둘레 및 주입구멍 둘레에 밀착되면서 밑창에 확실하게 부착되므로 구두를 장기간 신고 다녀도 보조창이 밑창으로부터 떨어지지 않는 효과가 있다.Therefore, when the sole formed with the injection hole and the seating groove is seated in the mold and the urethane is injected through the injection hole, the auxiliary window is formed while the urethane is filled in the injection hole and the seating groove. Because it adheres securely to the sole, it is effective to prevent the auxiliary sole from falling off the sole even after wearing shoes for a long time.

도1 내지 도4는 본 발명 구두 밑창 제조방법을 순차적으로 보이는 개략적 단면도1 to 4 is a schematic cross-sectional view sequentially showing a shoe sole manufacturing method of the present invention

도5는 본 발명 제조방법에 의해 제조된 구두 밑창을 보이는 부분 절개 단면도Figure 5 is a partial cutaway cross-sectional view showing the sole of the shoe produced by the manufacturing method of the present invention

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1 ; 원단(밑창) 2 ; 주입구멍One ; Fabric (sole) 2; Injection hole

3 ; 안착홈 4 ; 보조창3; Seating groove 4; Auxiliary window

5 ; 금형 10 ; 밑창5; Mold 10; bottom piece

본 발명의 구체적 특징 및 이점은 첨부된 도면을 참조한 이하의 설명으로 더욱 명확해 질 것이다.Specific features and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings.

구두의 창 구조는, 지면과 직접적으로 접촉하는 밑창과, 이 밑창의 상측으로 다양한 기능, 예컨대 완충 등의 작용을 하는 중창이 구비되며, 이 중창의 상측으로 사람의 발에 접촉되는 안창 또는 깔창으로 이루어진다.The shoe structure of the shoe is provided with a sole in direct contact with the ground, and a midsole having various functions, such as cushioning, on the upper side of the sole, and having an insole or insole in contact with a person's foot above the midsole. Is done.

밑창 저면에는 미끄럼 방지 등의 기능적인 측면과 미적 감각을 향상시키기 위해 보조창이 부착되기도 한다.The sole is attached to the bottom of the sole to enhance the functional aspect and aesthetics such as anti-slip.

여기서 구두 밑창 제조방법은, 구두 밑창의 형상에 따라 원단(1)을 재단하는 제1단계와; 재단된 원단(1)을 프레스 가공하여 보조창(4)이 부착된 위치에 다수의 주입구멍(2)을 형성시키는 제2단계와; 보조창(4)의 형상과 동일하게 상기 원단(1)에 조각기로 안착홈(3)을 형성시키는 제3단계와; 주입구멍(2) 및 안착홈(3)이 형성된 원단(1)을 금형에 안착시키고 주입구멍(2)을 통해 안착홈(3) 및 주입구멍(2)에 우레탄을 주입하여 보조창(4)을 사출성형하는 제4단계로 이루어진다.Here, a shoe sole manufacturing method, the first step of cutting the fabric (1) according to the shape of the shoe sole; A second step of pressing the cut fabric 1 to form a plurality of injection holes 2 at a position where the auxiliary window 4 is attached; A third step of forming a seating groove 3 in the fabric 1 in a manner similar to the shape of the auxiliary window 4; The fabric 1 having the injection hole 2 and the seating groove 3 is seated in the mold and urethane is injected into the seating groove 3 and the injection hole 2 through the injection hole 2 so that the auxiliary window 4 is opened. Injection molding consists of a fourth step.

제1단계에서, 큰 크기의 원단(1)(일반적으로 업계에서는 홍창이라 한다.)을 구두의 바닥형상을 따라 재단한다.In the first step, a large fabric 1 (generally referred to in the industry as slush) is cut along the shape of the sole of the shoe.

이와 같이 구두의 밑창을 이루는 원단(1)이 재단되면, 제2단계를 통해서 이에 주입구멍(2)을 형성시키게 되는데, 이 주입구멍(2)은 후술할 우레탄을 주입시키기 위한 구멍이며, 이 주입구멍(2)은 보조창(4)이 형성될 위치에 다수 형성된다.When the fabric 1 forming the sole of the shoe is cut in this manner, an injection hole 2 is formed in the second step. The injection hole 2 is a hole for injecting urethane, which will be described later. A plurality of holes 2 are formed at positions where the auxiliary window 4 will be formed.

원단(1)에 주입구멍(2)이 형성되면 제3단계에서 보조창이 형성된 범위에 안착홈(3)을 형성시킨다. 이 안착홈(3) 형성은 조각기로 이루어지며, 안착홈(3)은 원단(1)의 저면에 형성된다.When the injection hole 2 is formed in the fabric 1, the mounting groove 3 is formed in the range in which the auxiliary window is formed in the third step. The seating groove 3 is formed by a sinker, the seating groove 3 is formed on the bottom surface of the fabric (1).

이와 같이 하여 원단(1)에 주입구멍(2)과 안착홈(3)이 형성되면 제4단계와 같이 이를 금형(5)에 안착시키고, 주입구멍(2)을 통해 용융된 상태의 우레탄을 주입한다.In this manner, when the injection hole 2 and the seating groove 3 are formed in the fabric 1, the injection hole 2 and the seating groove 3 are formed in the mold 5, as in the fourth step, and the urethane in the molten state is injected through the injection hole 2. do.

여기서 우레탄의 주입량은 안착홈(3)을 충분히 채울 뿐 아니라 안착홈(3)을 모두 채운 후 우레탄이 주입구멍(2)까지 모두 채워질때까지 주입한다.In this case, the injection amount of urethane is not only filling the seating grooves 3 sufficiently, but also filling the seating grooves 3 until the urethane is filled up to the injection holes 2.

이와 같이 우레탄이 안착홈(3) 및 주입구멍(2)에 충진된 후 이를 응고시키면 도5와 같이 밑창(10)에 보조창(4)이 부착형성된다.As such, when urethane is solidified in the seating groove 3 and the injection hole 2, the auxiliary window 4 is attached to the sole 10 as shown in FIG. 5.

이러한 본 발명 구두 밑창 제조방법은, 우레탄이 주입구멍(2)에 충진되면서 안착홈(3) 내에 충진된 우레탄과 일체로 성형되므로 응고된 보조창(4)은 밑창(10)과 견고히 부착된다.In the shoe sole manufacturing method of the present invention, since the urethane is filled into the injection hole 2 and integrally molded with the urethane filled in the seating groove 3, the solidified auxiliary window 4 is firmly attached to the sole 10.

이와 같은 본 발명 구두 밑창 제조방법은 안착홈(3)과 보조창(4)의 부착력에 주입구멍(2)과 우레탄의 부착력이 더해지므로 그만큼 보조창(4)과 밑창(10)과의 부착력이 증대되며, 이에 따라 장기간 사용하여도 밑창(10)과 보조창(4)이 떨어지지 않는 이점이 있다.In the shoe sole manufacturing method of the present invention as described above, since the attachment force of the injection hole 2 and the urethane is added to the attachment force of the seating groove 3 and the auxiliary window 4, the adhesion force between the auxiliary window 4 and the sole 10 is increased. Therefore, there is an advantage that the sole 10 and the auxiliary window 4 do not fall even after long-term use.

이상에서와 같은 본 발명에 따른 구두 밑창 제조방법에 의하면, 주입구멍(2)과 안착홈(3)이 형성된 밑창(10)을 금형에 안착시키고 주입구멍(2)을 통해 우레탄을 주입하면 주입구멍(2) 및 안착홈(3)에 우레탄이 충진되면서 보조창(4)이 형성되며, 이와 같이 형성된 보조창(4)은 안착홈(3) 둘레 및 주입구멍(2) 둘레에 밀착되면서 밑창(10)에 확실하게 부착되므로 구두를 장기간 신고 다녀도 보조창(4)이 밑창(10)으로부터 떨어지지 않는 효과가 있다.According to the shoe sole manufacturing method according to the present invention as described above, when the sole 10 formed with the injection hole 2 and the seating groove 3 is seated in the mold and the urethane is injected through the injection hole 2, the injection hole (2) and the auxiliary groove (4) is formed as the urethane is filled in the seating groove (3), the auxiliary window (4) formed as described above is in close contact with the periphery of the seating groove (3) and the injection hole (2) Since it is firmly attached to the shoe for a long time wearing the auxiliary window (4) has the effect that does not fall from the sole (10).

Claims (1)

구두 밑창 제조방법에 있어서,In the shoe sole manufacturing method, 구두 밑창(10)의 형상에 따라 원단(1)을 재단하는 제1단계와;A first step of cutting the fabric 1 according to the shape of the shoe sole 10; 상기 재단된 원단(1)을 프레스 가공하여 보조창(4)이 부착될 위치에 다수의 주입구멍(2)을 형성시키는 제2단계와;Press-processing the cut fabric 1 to form a plurality of injection holes 2 at a position to which the auxiliary window 4 is attached; 상기 보조창(4)의 형상과 동일하게 상기 원단(1)에 조각기로 안착홈(3)을 형성시키는 제3단계와;A third step of forming a seating groove 3 in the fabric 1 in a manner similar to the shape of the auxiliary window 4; 상기 주입구멍(2) 및 안착홈(3)이 형성된 원단(1)을 금형에 안착시키고 주입구멍(2)을 통해 상기 안착홈(3) 및 주입구멍(2)에 우레탄을 주입하여 보조창(4)을 사출성형하는 제4단계로 이루어진 것을 특징으로 하는 구두 밑창 제조방법.The fabric 1 having the injection hole 2 and the mounting groove 3 is seated in a mold, and urethane is injected into the mounting groove 3 and the injection hole 2 through the injection hole 2 to support the auxiliary window 4. A shoe sole manufacturing method comprising a fourth step of injection molding).
KR10-2001-0031434A 2001-06-05 2001-06-05 shoes bottom piece method of producing KR100428868B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106304A (en) * 1989-09-20 1991-05-02 Asics Corp Ground contact portion of sole mainly for sports shoes and manufacture thereof
JPH09117304A (en) * 1995-10-27 1997-05-06 Moon Star Co Manufacture of shoe
JPH11196903A (en) * 1998-01-08 1999-07-27 Moon Star Co Sole part, shoe having the same and manufacture of sole part
KR20000012580A (en) * 1999-12-13 2000-03-06 박전숙 Manufacturing method for a liner of sports boots

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106304A (en) * 1989-09-20 1991-05-02 Asics Corp Ground contact portion of sole mainly for sports shoes and manufacture thereof
JPH09117304A (en) * 1995-10-27 1997-05-06 Moon Star Co Manufacture of shoe
JPH11196903A (en) * 1998-01-08 1999-07-27 Moon Star Co Sole part, shoe having the same and manufacture of sole part
KR20000012580A (en) * 1999-12-13 2000-03-06 박전숙 Manufacturing method for a liner of sports boots

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