WO2020171485A1 - Method for manufacturing seamless no-show socks - Google Patents

Method for manufacturing seamless no-show socks Download PDF

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Publication number
WO2020171485A1
WO2020171485A1 PCT/KR2020/002125 KR2020002125W WO2020171485A1 WO 2020171485 A1 WO2020171485 A1 WO 2020171485A1 KR 2020002125 W KR2020002125 W KR 2020002125W WO 2020171485 A1 WO2020171485 A1 WO 2020171485A1
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WIPO (PCT)
Prior art keywords
hot melt
front cover
cover portion
side cover
overshoes
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PCT/KR2020/002125
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French (fr)
Korean (ko)
Inventor
고미화
윤성철
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주식회사 제이패션
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Publication of WO2020171485A1 publication Critical patent/WO2020171485A1/en

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/16—Overshoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D25/00—Devices for gluing shoe parts
    • A43D25/047—Devices for lasting with adhesives or for gluing together insoles and uppers
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D25/00—Devices for gluing shoe parts
    • A43D25/20—Arrangements for activating or for accelerating setting of adhesives, e.g. by using heat
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D27/00—Machines for trimming as an intermediate operation

Definitions

  • the present invention relates to a method of manufacturing a non-sewn overshoes, and more particularly, a front cover part and a side cover part are laminated on the bottom part, cut with ultrasonic waves, and temporarily bonded together, and reinforced by heat-sealing the temporary bonded part with hot melt.
  • the hot melt relates to a method of manufacturing a non-sewn overshoes so as to maintain a smooth appearance by forming a plurality of expansion and contraction incisions in the upper and lower portions excluding the virtual center line in contact with the temporary joint so as not to cause bending due to shrinkage after thermal expansion.
  • the foot is a part of the body that absorbs shock by maintaining the balance of the human body and supporting the body weight. It is desirable to maintain an appropriate temperature for smooth circulation of blood to a place where numerous blood vessels and nerves pass.
  • foot clothing As a means for protecting and warming these feet, socks, stockings, or socks (hereinafter referred to as “foot clothing”) are used.
  • the padding is made of elastic fiber such as nylon or cotton material, and has the advantage of excellent elasticity and ventilation, so women wear it conveniently indoors in everyday life.
  • Such padding is made by sewing a number of patterns surrounding the sole, instep, and heel of the sole woven with elastic fibers such as nylon, etc., with elastic thread, and a rubber band made of rubber material is installed around the opening so as not to be peeled off.
  • a plurality of pattern pieces such as a sole cover pattern, a toe cover pattern, and a heel cover pattern are sewn and connected, or the edges of the sole cover pattern are abutted to each other in a pattern in which the toe and heel cover patterns are integrated.
  • the overlapping pattern part is stitched and connected, and the opening of the padding formed by the stitching is made of rubber.
  • Such conventional overlays have a problem in that when each pattern is sewn and connected, the seam is thickened or convexly formed at the portion to which each pattern is connected, and when worn on the foot, the sewing line exerts pressure on the foot, thereby reducing the fit.
  • the “overlay with elastic strip” is also manufactured by cutting and sewing the fabric, the wearability was improved by heat-sealing the elastic strip on the inner side of the overcoat to prevent the fit from falling.
  • the manufacturing process is very complicated, and heat and pressure are applied to attach the elastic strip.
  • the elastic strip thermally expands when attached, and over time, the thermally expanded elastic strip shrinks, and the part where the elastic strip is joined There was a problem that the appearance was not good due to the bend.
  • the present invention was conceived in view of the above problems, and the first object of the present invention is to laminate the front cover part and the side cover part on the bottom part, cut it with ultrasonic waves, and temporarily bond it together with hot melt.
  • a second object of the present invention is to connect the front cover portion and the side cover portion to the bottom portion by ultrasonic bonding, thereby eliminating a separate cutting step, and furthermore, a boundary surface of the bottom portion and the front cover portion and the side cover portion It is to provide a method of manufacturing a non-sewn overshoes that can have an effect of improving productivity by eliminating the alignment step.
  • the first invention is a front cover portion covering the instep; And, heat-sealed with an adhesive layer interposed on both inner sides of the front cover portion so as to wrap the heel and the foot side.
  • a side cover portion connected to each other with the front cover portion; and a bottom portion connected to the front cover portion and the side cover portion by a temporary contact portion by ultrasonic waves;
  • a hot melt to which an adhesive layer that is heat-sealed to reinforce the temporary joint is bonded to each other, wherein the hot melt includes a plurality of expansion and contraction incisions in the upper and lower portions excluding the virtual center line in contact with the temporary joint so that bending due to shrinkage after thermal expansion does not occur.
  • It relates to a method of manufacturing a non-sewn overshoes that is additionally formed, the step of cutting the fabric by dividing it into a front cover part, a side cover part, and a bottom part; (S10), and both sides of the side cover part on the inner surfaces of both sides of the front cover part
  • the step of forming a temporary joint that is simultaneously cut and bonded according to the foot size of the human body by oscillating ultrasonic waves; (S40), and the front cover portion and the side cover portion bonded to the bottom portion are hot melt through a thermal bonding machine to reinforce the bonded portion. Heat-sealing the surface to complete the overshoes; characterized by consisting of (S50).
  • the step S50 includes a hot melt cutting step of forming a plurality of expansion and contraction incisions in the upper and lower portions except for the virtual center line that contacts the temporary joint so that the hot melt is not bent due to contraction after thermal expansion of the hot melt; It characterized in that it further comprises S50a).
  • the front cover part and the side cover part are laminated to the bottom part, cut by ultrasonication, and then temporarily bonded together, and heat-sealed the temporary bonded part with hot melt to manufacture the overshoes without a bar wire. It can have an effect.
  • the hot melt has the effect of maintaining a smooth appearance of the resulting overshoes by forming a number of expansion and contraction incisions in the upper and lower portions excluding the virtual center line in contact with the temporary joint to prevent bending due to shrinkage after thermal expansion.
  • FIG. 1 is a perspective view of a non-sewn overshoes according to the present invention
  • FIG. 2 is a perspective view of a non-sewn overshoes showing a temporary junction in a state in which the hot melt is removed from FIG. 1;
  • Figure 3 is an exploded view of the hot melt in Figure 1
  • Figure 4 is a step-by-step flow chart according to the manufacturing method of the non-sewn overshoes of the present invention.
  • 5 to 8 are views showing steps S10 to S40.
  • FIG. 1 is a perspective view of a non-sewn overshoes according to the present invention
  • FIG. 2 is a perspective view of a non-sewn overshoes showing a temporary junction in a state in which the hot melt is removed from FIG. 1
  • FIG. 3 is an exploded view of the hot melt in FIG.
  • the front cover part and the side cover part are laminated to the bottom part, cut by ultrasonication, and are thermally fused to the temporary bonding part temporarily bonded with hot melt in a state in which temporary bonding is performed at the same time.
  • non-sewn overshoes 100 of the present invention has a feature that can increase the fit by eliminating the sewing line.
  • This non-sewn overshoes 100 is largely composed of three parts, which is composed of a front cover portion 10, a side cover portion 20, and a bottom portion 30.
  • the front cover portion 10 is a portion that covers the instep and is configured to be coupled to the side cover portion 20 without sewing.
  • the side cover part 20 is a part surrounding the heel and the foot side, and is heat-sealed on both inner surfaces of the front cover part 10 with an adhesive layer (B) therebetween to connect the front cover part 10 to each other. do.
  • the temporary connection part 50 is formed by melting the base material (bottom part) and the base material (side cover part, front cover part) through ultrasonic waves oscillated by the ultrasonic bonding machine, and more specifically, the front cover part 10 and The side cover part 20 is laminated on the bottom part 30, and ultrasonic waves are generated at the edge of the laminated part to be cut and attached simultaneously by the size of the human foot (see FIG. 7).
  • the side cover portion 20 and the front cover portion 10 through the temporary bonding portion 50 can increase the fit by removing the sewing line on the bottom portion 30, and in addition, the bonding of the hot melt 40 to be described later is easily There is a structure that can do it.
  • the hot melt 40 is heat-sealed to reinforce the temporary connection part 50.
  • This hot melt 40 has an adhesive layer (B) attached to the polyurethane layer, and in this hot melt 40, the adhesive layer (B) is melted by the heat and pressure of a thermal bonding machine, so that the hot melt 40 is attached to the temporary joint 50 It is configured to be integrally bonded to the surface of the.
  • the hot melt 40 is bent due to shrinkage after bonding, and thus the finished overshoes cannot maintain a circular state (temporarily bonded state), resulting in a problem that the appearance is not beautiful.
  • a plurality of expansion and contraction incisions 41 are formed in the upper and lower portions except for the virtual center line in contact with the temporary contact part 50.
  • This expansion and contraction incision 41 secures a space in which the hot melt 40 is contracted. More specifically, when the hot melt 40 is contracted, the gap of the expansion and contraction is narrowed to compensate for this, which in turn compensates for the hot melt ( 40) It is possible to maintain a smooth appearance without bending the joints.
  • the non-sewn overshoes 100 of the present invention not only can increase the fit by eliminating the sewing line, but also have the effect of producing expensive overshoes that are differentiated from the existing overshoes without bending the hot melt 40.
  • Figure 4 is a step-by-step flow chart according to the manufacturing method of the non-sewn overshoes of the present invention
  • Figures 5 to 8 are views showing steps S10 to S40.
  • the present invention can improve productivity by stacking the front cover portion 10 and the side cover portion 20 on the bottom portion 30 to be cut and temporarily combined with ultrasonic waves. It relates to a method of manufacturing a non-sewn overshoes.
  • the fabric is divided into a front cover portion 10, a side cover portion 20, and a bottom portion 30 and cut.
  • the side cover portion 20 is bonded to the front cover portion 10 by heat fusion.
  • both sides of the side cover portion 20 are bonded to the inner surfaces of both sides of the front cover portion 10 through an adhesive layer (B), and the adhesive layer (B) is formed in a film form, so that the side surfaces of the front cover portion 10 It is possible by interposing between the cover portions 20 and then pressing with a hot press. (S20)
  • front cover portion 10 and the side cover portion 20 are stacked with the front cover portion 10 and the side cover portion 20 on the top of the bottom portion 30 in order to couple with the bottom portion 30.
  • the laminated fabric is put into an ultrasonic jointer, and ultrasonic waves are generated at the edges of the laminated portion to form a joint portion 50 that is cut and attached simultaneously for each foot size of the human body.
  • the front cover portion 10 and the side cover portion 20 connected to the bottom portion 30 heat the hot melt 40 on the surface of the bonding portion 50 through a thermal bonding machine to reinforce the bonding portion 50.
  • the overshoes 100 are completed by fusion bonding.
  • a hot melt cutting step of forming a plurality of expansion and contraction incisions 41 in the upper and lower portions excluding the virtual center line in contact with the temporary contact portion 50 so as not to bend due to the contraction of the hot melt 40 is performed. It may further include. (S50a)
  • the reason for forming the expansion and contraction incision 41 in step S50a is that the hot melt 40 secures a space for contraction after heat fusion, so that the smooth appearance can be maintained without bending of the joint portion of the hot melt 40 due to contraction. .

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

Abstract

The present invention relates to a method for manufacturing seamless no-show socks. While a front cover part and a side cover part are laminated to a bottom part and then are cut by ultrasonic waves and temporarily bonded simultaneously, the temporarily bonded portion is thermally bonded by hot melt so as to be reinforced. A plurality of stretchable cutaway parts are formed in the upper and lower portions of the hot melt other than a virtual center line in contact with the temporarily bonded portion so that bending, due to contraction after the thermal expansion of the hot melt, does not occur, such that a smooth appearance is maintained.

Description

무재봉 덧신의 제조방법Manufacturing method of non-sewn overshoes
본 발명은 무재봉 덧신의 제조방법에 관한 것으로, 보다 상세하게는 전면덮개부와 측면덮개부를 바닥부에 적층시켜 초음파로 절단과 동시에 가결합시킨 상태에서 핫멜트로 가결합된 가접부를 열융착시켜 보강하되, 상기 핫멜트는 열팽창 후 수축에 의한 굴곡이 생기지 않도록 가접부와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부가 형성하여 매끄러운 외관을 유지할 수 있도록 한 무재봉 덧신의 제조방법에 관한 것이다.The present invention relates to a method of manufacturing a non-sewn overshoes, and more particularly, a front cover part and a side cover part are laminated on the bottom part, cut with ultrasonic waves, and temporarily bonded together, and reinforced by heat-sealing the temporary bonded part with hot melt. However, the hot melt relates to a method of manufacturing a non-sewn overshoes so as to maintain a smooth appearance by forming a plurality of expansion and contraction incisions in the upper and lower portions excluding the virtual center line in contact with the temporary joint so as not to cause bending due to shrinkage after thermal expansion.
일반적으로 발은 인체의 균형을 유지하고 체중을 지지하여 충격을 흡수하는 신체 부위로 수많은 혈관과 신경이 지나는 곳으로 원활한 혈액의 순환을 위해서는 적당한 온도를 유지하는 것이 바람직하다.In general, the foot is a part of the body that absorbs shock by maintaining the balance of the human body and supporting the body weight. It is desirable to maintain an appropriate temperature for smooth circulation of blood to a place where numerous blood vessels and nerves pass.
이러한 발을 보호 및 보온하기 위한 수단으로 양말이나 스타킹 또는 덧버선 등(이하, "발 의류"라 통칭한다)이 사용되고 있다.As a means for protecting and warming these feet, socks, stockings, or socks (hereinafter referred to as "foot clothing") are used.
발 의류 중 덧버선은 신축성을 지니는 나일론이나 면소재 등의 섬유로 만들어지고, 신축작용과 통풍작용이 우수한 장점이 있어 일상생활에 있어 실내에서 여성들이 간편하게 착용하고 있다.Among the foot clothing, the padding is made of elastic fiber such as nylon or cotton material, and has the advantage of excellent elasticity and ventilation, so women wear it conveniently indoors in everyday life.
이러한 덧버선은 나일론 등과 같이 신축성을 지닌 섬유로 짠 발바닥, 발등 및 발뒤꿈치를 감싸는 다수의 패턴들을 신축성 실로 재봉하여 만들어지고, 벗겨지지 않도록 개구부의 둘레에는 고무재질의 고무줄이 재봉실로 박아 설치하였다.Such padding is made by sewing a number of patterns surrounding the sole, instep, and heel of the sole woven with elastic fibers such as nylon, etc., with elastic thread, and a rubber band made of rubber material is installed around the opening so as not to be peeled off.
즉, 종래의 덧버선은 발바닥 커버패턴, 발가락 커버패턴 및 발뒤꿈치 커버패턴 등 복수의 패턴조각들을 재봉하여 연결하거나, 발가락 및 발 뒤꿈치 커버패턴을 일체로 한 패턴에 발바닥 커버패턴의 테두리부분을 서로 맞댄 뒤 겹쳐진 패턴부위를 박음질하여 연결하고, 박음질에 의해 형성되는 덧버선 개구부에는 고무와 같은That is, in the conventional padding, a plurality of pattern pieces such as a sole cover pattern, a toe cover pattern, and a heel cover pattern are sewn and connected, or the edges of the sole cover pattern are abutted to each other in a pattern in which the toe and heel cover patterns are integrated. The overlapping pattern part is stitched and connected, and the opening of the padding formed by the stitching is made of rubber.
신축성을 지닌 고무줄을 재봉실로 박음질하여 부착된다.It is attached by stitching an elastic elastic band with a sewing thread.
이러한 종래의 덧버선은 각 패턴을 재봉하여 연결함으로써 각 패턴이 연결되는 부위에 두툼해지거나 볼록하게 재봉선이 형성되어 발에 착용하였을 때 재봉선이 발에 압박을 가하여 착용감이 떨어지는 문제가 있었다.Such conventional overlays have a problem in that when each pattern is sewn and connected, the seam is thickened or convexly formed at the portion to which each pattern is connected, and when worn on the foot, the sewing line exerts pressure on the foot, thereby reducing the fit.
종래의 기술로 "탄성스트립이 부착된 덧버선(대한민국 등록특허 제1258742호)"이 있다.As a conventional technique, there is a "overcoat with elastic strip (Korean Patent No. 1258742)".
하지만 "탄성스트립이 부착된 덧버선" 역시 천을 재단 및 재봉하여 제작되기 때문에 착용감이 떨어지는 것을 방지하기 위해 덧버선의 내측면에 탄성스트립을 열융착시켜 착용성을 개선하였다.However, since the “overlay with elastic strip” is also manufactured by cutting and sewing the fabric, the wearability was improved by heat-sealing the elastic strip on the inner side of the overcoat to prevent the fit from falling.
따라서 제작과정이 매우 복잡하고, 또한 탄성스트립을 부착시키 위해서는 열과 압력을 가하게 되는 바, 이때 탄성스트립은 부착시 열팽창하게 되고, 시간이 경과하면 열팽창된 탄성스트립이 수축되어 탄성스트립이 접합된 부분은 굴곡이 생겨 미관이 좋지 않은 문제점이 있었다.Therefore, the manufacturing process is very complicated, and heat and pressure are applied to attach the elastic strip. At this time, the elastic strip thermally expands when attached, and over time, the thermally expanded elastic strip shrinks, and the part where the elastic strip is joined There was a problem that the appearance was not good due to the bend.
본 발명은 상기와 같은 문제점을 감안하여 안출된 것으로, 본 발명의 제1목적은, 전면덮개부와 측면덮개부를 바닥부에 적층시켜 초음파로 절단과 동시에 가결합시킨 상태에서 핫멜트로 가결합된 가접부를 열융착시켜 보강하되, 상기 핫멜트는 열팽창 후 수축에 의한 굴곡이 생기지 않도록 가접부와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부가 형성하여 매끄러운 외관을 유지할 수 있도록 한 무재봉 덧신의 제조방법을 제공하는데 있다.The present invention was conceived in view of the above problems, and the first object of the present invention is to laminate the front cover part and the side cover part on the bottom part, cut it with ultrasonic waves, and temporarily bond it together with hot melt. Manufacture of a non-seamless overshoe in which the hot melt is reinforced by heat-sealing the part, but the hot melt has a number of expansion and contraction incisions formed in the upper and lower parts except for the virtual center line in contact with the temporary joint so as not to bend due to contraction after thermal expansion. To provide a way.
본 발명의 제2목적은, 전면덮개부와 측면덮개부를 초음파로 의한 가접부로 바닥부와 연결시킴으로써, 별도의 재단하는 단계를 없앨 수 있고, 또한 바닥부의 경계면과 전면덮개부 및 측면덮개부의 경계면을 정렬하는 단계를 없앨 수 있어 생산성이 향상되는 효과를 가져 올 수 있는 무재봉 덧신의 제조방법을 제공하는데 있다.A second object of the present invention is to connect the front cover portion and the side cover portion to the bottom portion by ultrasonic bonding, thereby eliminating a separate cutting step, and furthermore, a boundary surface of the bottom portion and the front cover portion and the side cover portion It is to provide a method of manufacturing a non-sewn overshoes that can have an effect of improving productivity by eliminating the alignment step.
상기한 바와 같은 목적을 달성하기 위한 특징에 따르면 제1발명은, 발등을 덮는 전면덮개부;와, 발뒤꿈치와 발측면을 감쌀 수 있도록 전면덮개부의 양측 내측면에 접착층을 사이에 두고 열융착되어 상기 전면덮개부와 상호 간 연결되는 측면덮개부;와, 상기 전면덮개부 및 측면덮개부와 초음파로 의한 가접부로 연결되는 바닥부; 및 상기 가접부를 보강하기 위해 열융착되는 접착층이 결합된 핫멜트;를 포함하여 이루어지되, 상기 핫멜트는 열팽창후 수축에 의한 굴곡이 생기지 않도록 가접부와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부가 형성되는 무재봉 덧신의 제조방법에 관한 것으로, 이를 위해 원단을 전면덮개부와, 측면덮개부와, 바닥부로 나뉘어 재단하는 단계;(S10)와, 상기 전면덮개부의 양측 내면에 측면덮개부의 양측을 접착층을 통해 열융착시켜 부착하는 단계;(S20)와, 바닥부의 상부로 전면덮개부와 측면덮개부를 적층시키는 단계;(S30)와, 적층된 원단을 초음파접합기에 투입하고, 적층 부위의 가장자리로 초음파를 발진시켜 인체의 발사이즈 별로 절단과 동시에 가접되는 가접부를 형성하는 단계;(S40) 및 바닥부와 가접된 전면덮개부와 측면덮개부는 가접부를 보강하기 위해 열 접착기를 통해 핫멜트를 가접부의 표면에 열융착시켜 덧신을 완성하는 단계;(S50)를 포함하여 이루어지는 것을 특징으로 한다.According to the features for achieving the above object, the first invention is a front cover portion covering the instep; And, heat-sealed with an adhesive layer interposed on both inner sides of the front cover portion so as to wrap the heel and the foot side. A side cover portion connected to each other with the front cover portion; and a bottom portion connected to the front cover portion and the side cover portion by a temporary contact portion by ultrasonic waves; And a hot melt to which an adhesive layer that is heat-sealed to reinforce the temporary joint is bonded to each other, wherein the hot melt includes a plurality of expansion and contraction incisions in the upper and lower portions excluding the virtual center line in contact with the temporary joint so that bending due to shrinkage after thermal expansion does not occur. It relates to a method of manufacturing a non-sewn overshoes that is additionally formed, the step of cutting the fabric by dividing it into a front cover part, a side cover part, and a bottom part; (S10), and both sides of the side cover part on the inner surfaces of both sides of the front cover part The step of attaching by heat fusion through an adhesive layer; (S20) and the step of laminating the front cover portion and the side cover portion to the top of the bottom portion; (S30), and put the laminated fabric into an ultrasonic bonding machine, the edge of the laminated portion The step of forming a temporary joint that is simultaneously cut and bonded according to the foot size of the human body by oscillating ultrasonic waves; (S40), and the front cover portion and the side cover portion bonded to the bottom portion are hot melt through a thermal bonding machine to reinforce the bonded portion. Heat-sealing the surface to complete the overshoes; characterized by consisting of (S50).
제2발명은, 제1발명에서, 상기 S50단계는 상기 핫멜트의 열팽창 후 수축에 의한 굴곡이 생기지 않도록 가접부와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부를 형성하는 핫멜트 커팅 단계;(S50a)를 더 포함하는 것을 특징으로 한다.In the second invention, in the first invention, the step S50 includes a hot melt cutting step of forming a plurality of expansion and contraction incisions in the upper and lower portions except for the virtual center line that contacts the temporary joint so that the hot melt is not bent due to contraction after thermal expansion of the hot melt; It characterized in that it further comprises S50a).
본 발명의 무재봉 덧신의 제조방법에 따르면, 전면덮개부와 측면덮개부를 바닥부에 적층시켜 초음파로 절단과 동시에 가결합시킨 상태에서 핫멜트로 가결합된 가접부를 열융착시켜 봉재선 없이 덧신을 제조할 수 있는 효과가 있다.According to the manufacturing method of the non-sewn overshoes of the present invention, the front cover part and the side cover part are laminated to the bottom part, cut by ultrasonication, and then temporarily bonded together, and heat-sealed the temporary bonded part with hot melt to manufacture the overshoes without a bar wire. It can have an effect.
또한 핫멜트는 열팽창 후 수축에 의한 굴곡이 생기지 않도록 가접부와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부가 형성함으로써, 결과적으로 완성된 덧신은 매끄러운 외관을 유지할 수 있는 효과가 있다.In addition, the hot melt has the effect of maintaining a smooth appearance of the resulting overshoes by forming a number of expansion and contraction incisions in the upper and lower portions excluding the virtual center line in contact with the temporary joint to prevent bending due to shrinkage after thermal expansion.
또한 전면덮개부와 측면덮개부를 초음파로 의한 가접부로 바닥부와 연결시킴으로써, 별도의 재단하는 단계를 없앨 수 있고, 또한 바닥부의 경계면과 전면덮개부 및 측면덮개부의 경계면을 정렬하는 단계를 없앨 수 있어 생산성이 향상되는 효과를 가져 올 수 있는 효과가 있다.In addition, by connecting the front cover part and the side cover part to the bottom part by means of ultrasonic waves, a separate cutting step can be eliminated, and the step of aligning the boundary surface of the bottom part and the front cover part and the side cover part can be eliminated. There is an effect that can bring about the effect of improving productivity.
도 1은 본 발명에 따른 무재봉 덧신의 사시도,1 is a perspective view of a non-sewn overshoes according to the present invention,
도 2는 도 1에서 핫멜트를 제거한 상태에서 가접부를 나타내는 무재봉 덧신의 사시도,FIG. 2 is a perspective view of a non-sewn overshoes showing a temporary junction in a state in which the hot melt is removed from FIG. 1;
도 3은 도 1에서 핫멜트의 전개도,Figure 3 is an exploded view of the hot melt in Figure 1,
도 4는 본 발명의 무재봉 덧신의 제조방법에 따른 단계별 순서도이다.Figure 4 is a step-by-step flow chart according to the manufacturing method of the non-sewn overshoes of the present invention.
도 5 내지 도 8은 S10단계 내지 S40단계를 나타내는 도면이다.5 to 8 are views showing steps S10 to S40.
도 1은 본 발명에 따른 무재봉 덧신의 사시도이고, 도 2는 도 1에서 핫멜트를 제거한 상태에서 가접부를 나타내는 무재봉 덧신의 사시도이고, 도 3은 도 1에서 핫멜트의 전개도이다.FIG. 1 is a perspective view of a non-sewn overshoes according to the present invention, FIG. 2 is a perspective view of a non-sewn overshoes showing a temporary junction in a state in which the hot melt is removed from FIG. 1, and FIG. 3 is an exploded view of the hot melt in FIG.
도 1 내지 도 3에 도시된 바와 같이, 본 발명은 전면덮개부와 측면덮개부를 바닥부에 적층시켜 초음파로 절단과 동시에 가결합시킨 상태에서 핫멜트로 가결합된 가접부에 열융착되되, 상기 핫멜트는 열팽창 후 수축에 의한 굴곡이 생기지 않도록 가접부와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부가 형성하여 매끄러운 외관을 유지할 수 있도록 한 무재봉 덧신(100)에 관한 것이다.1 to 3, in the present invention, the front cover part and the side cover part are laminated to the bottom part, cut by ultrasonication, and are thermally fused to the temporary bonding part temporarily bonded with hot melt in a state in which temporary bonding is performed at the same time. Relates to a non-sewn overshoes 100 to maintain a smooth appearance by forming a plurality of expansion and contraction incisions in the upper and lower portions excluding the virtual center line in contact with the temporary joint to prevent bending due to contraction after thermal expansion.
또한 본 발명의 무재봉 덧신(100)은 재봉선을 없애 착용감을 높일 수 있는 특징이 있다.In addition, the non-sewn overshoes 100 of the present invention has a feature that can increase the fit by eliminating the sewing line.
이러한 무재봉 덧신(100)은 크게 3부분으로 구성되는데, 이는 전면덮개부(10)와, 측면덮개부(20)와, 바닥부(30)로 분리 구성된다.This non-sewn overshoes 100 is largely composed of three parts, which is composed of a front cover portion 10, a side cover portion 20, and a bottom portion 30.
상기 전면덮개부(10)는 발등을 덮는 부분으로 상기 측면덮개부(20)와 무재봉으로 결합되는 구성이다. The front cover portion 10 is a portion that covers the instep and is configured to be coupled to the side cover portion 20 without sewing.
상기 측면덮개부(20)는 발뒤꿈치와 발측면을 감싸는 부분으로 전면덮개부(10)의 양측 내측면에 접착층(B)을 사이에 두고 열융착되어 상기 전면덮개부(10)와 상호 간 연결된다.The side cover part 20 is a part surrounding the heel and the foot side, and is heat-sealed on both inner surfaces of the front cover part 10 with an adhesive layer (B) therebetween to connect the front cover part 10 to each other. do.
이렇게 상호 간 연결된 측면덮개부(20)와 전면덮개부(10)는 바닥부(30)와 초음파로 의한 가접부(50)로 연결된다.In this way, the side cover portion 20 and the front cover portion 10 connected to each other are connected by the bottom portion 30 and the temporary contact portion 50 by ultrasonic waves.
상기에서는 가접부(50)는 초음파접합기에서 발진된 초음파를 통해 모재(바닥부)와, 모재(측면덮개부, 전면덮개부)를 용융시켜 형성되는데, 보다 상세하게는 전면덮개부(10)와 측면덮개부(20)를 바닥부(30)에 적층시키고, 적층 부위의 가장자리로 초음파를 발진시켜 인체의 발사이즈 별로 절단과 동시에 가접된다.(도 7참조)In the above, the temporary connection part 50 is formed by melting the base material (bottom part) and the base material (side cover part, front cover part) through ultrasonic waves oscillated by the ultrasonic bonding machine, and more specifically, the front cover part 10 and The side cover part 20 is laminated on the bottom part 30, and ultrasonic waves are generated at the edge of the laminated part to be cut and attached simultaneously by the size of the human foot (see FIG. 7).
이와 같은 가접부(50)를 통해 측면덮개부(20)와 전면덮개부(10)는 바닥부(30)에 재봉선을 없애 착용감을 높일 수 있는 있고, 더불어 후술되는 핫멜트(40)의 접합을 손쉽게 할 수 있는 구조가 마련된다.The side cover portion 20 and the front cover portion 10 through the temporary bonding portion 50 can increase the fit by removing the sewing line on the bottom portion 30, and in addition, the bonding of the hot melt 40 to be described later is easily There is a structure that can do it.
아울러 상기 가접부(50)를 보강하기 위해 열융착되는 것이 핫멜트(40)이다.In addition, the hot melt 40 is heat-sealed to reinforce the temporary connection part 50.
이러한 핫멜트(40)는 폴리우레탄층에 접착층(B)이 부착되어 있는 것으로, 이러한 핫멜트(40)는 열 접착기의 열과 가압에 의해 접착층(B)이 용융되어 핫멜트(40)가 가접부(50)의 표면에 일체로 접합될 수 있도록 구성된다.This hot melt 40 has an adhesive layer (B) attached to the polyurethane layer, and in this hot melt 40, the adhesive layer (B) is melted by the heat and pressure of a thermal bonding machine, so that the hot melt 40 is attached to the temporary joint 50 It is configured to be integrally bonded to the surface of the.
이 때 상기 핫멜트(40)는 접합 후 수축에 의한 굴곡이 생겨 완성된 덧신이 원형 상태(가접합 상태)를 유지하지 못해 외관이 미려하지 않는 문제점이 발생된다.At this time, the hot melt 40 is bent due to shrinkage after bonding, and thus the finished overshoes cannot maintain a circular state (temporarily bonded state), resulting in a problem that the appearance is not beautiful.
이러한 문제점을 감안하여 도 3과 같이, 상기 핫멜트(40)는 가접부(50)와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부(41)가 일정간격을 두고 형성된다.In view of this problem, as shown in FIG. 3, in the hot melt 40, a plurality of expansion and contraction incisions 41 are formed in the upper and lower portions except for the virtual center line in contact with the temporary contact part 50.
이러한 신축절개부(41)는 핫멜트(40)가 수축되는 공간을 확보하게 되는데, 보다 상세하게는 핫멜트(40)가 수축되면 신축절개부의 간격이 좁아지면서 이를 보상하게 되고, 이는 결국 덧신의 핫멜트(40) 결합부위의 굴곡을 없에 매끄러운 외관을 유지할 수 있게 된다.This expansion and contraction incision 41 secures a space in which the hot melt 40 is contracted. More specifically, when the hot melt 40 is contracted, the gap of the expansion and contraction is narrowed to compensate for this, which in turn compensates for the hot melt ( 40) It is possible to maintain a smooth appearance without bending the joints.
따라서 본 발명의 무재봉 덧신(100)은 재봉선이 없애 착용감을 증대시킬 수 있을 뿐만 아니라, 핫멜트(40)에 굴곡을 없에 기존의 덧신과 차별되는 고가의 덧신을 생산할 수 있는 효과가 있다.Therefore, the non-sewn overshoes 100 of the present invention not only can increase the fit by eliminating the sewing line, but also have the effect of producing expensive overshoes that are differentiated from the existing overshoes without bending the hot melt 40.
이하에서는 본 발명에 따른 무재봉 덧신의 제조방법에 관하여 첨부되어진 도면과 함께 더불어 상세히 설명하기로 한다.Hereinafter, a method of manufacturing a non-sewn overshoes according to the present invention will be described in detail together with the accompanying drawings.
도 4는 본 발명의 무재봉 덧신의 제조방법에 따른 단계별 순서도이고, 도 5 내지 도 8은 S10단계 내지 S40단계를 나타내는 도면이다.Figure 4 is a step-by-step flow chart according to the manufacturing method of the non-sewn overshoes of the present invention, Figures 5 to 8 are views showing steps S10 to S40.
도 4 내지 도 8과 도시된 바와 같이, 본 발명은 전면덮개부(10)와 측면덮개부(20)를 바닥부(30)에 적층시켜 초음파로 절단과 동시에 가결합시킬 수 있어 생산성을 향상시킬 수 있는 무재봉 덧신의 제조방법에 관한 것이다.As shown in Figs. 4 to 8, the present invention can improve productivity by stacking the front cover portion 10 and the side cover portion 20 on the bottom portion 30 to be cut and temporarily combined with ultrasonic waves. It relates to a method of manufacturing a non-sewn overshoes.
먼저 원단을 전면덮개부(10)와, 측면덮개부(20)와, 바닥부(30)로 나뉘어 재단한다.First, the fabric is divided into a front cover portion 10, a side cover portion 20, and a bottom portion 30 and cut.
*이 때 상기 각 부의 연결부위는 인체의 평균 발사이즈의 크기 보다 크게 재단하는 것이 선행되어야 한다.(S10) * In this case, the connecting part of each part should be cut to be larger than the average foot size of the human body. (S10)
그리고 상기 전면덮개부(10)에 측면덮개부(20)를 열융착으로 접합한다.Then, the side cover portion 20 is bonded to the front cover portion 10 by heat fusion.
이 때 상기 전면덮개부(10)의 양측 내면에 측면덮개부(20)의 양측을 접착층(B)을 통해 접합되는데, 상기 접착층(B)은 필름형태로 구성되어 전면덮개부(10)의 측면덮개부(20)의 사이에 개재시킨 후 열프레스로 가압함으로써 가능하다.(S20)At this time, both sides of the side cover portion 20 are bonded to the inner surfaces of both sides of the front cover portion 10 through an adhesive layer (B), and the adhesive layer (B) is formed in a film form, so that the side surfaces of the front cover portion 10 It is possible by interposing between the cover portions 20 and then pressing with a hot press. (S20)
그리고 상기 전면덮개부(10)와 측면덮개부(20)는 바닥부(30)와 결합시키기 위해 바닥부(30)의 상부로 전면덮개부(10)와 측면덮개부(20)를 적층시킨다.(S30)In addition, the front cover portion 10 and the side cover portion 20 are stacked with the front cover portion 10 and the side cover portion 20 on the top of the bottom portion 30 in order to couple with the bottom portion 30. (S30)
적층된 원단을 초음파접합기에 투입하고, 적층 부위의 가장자리로 초음파를 발진시켜 인체의 발사이즈 별로 절단과 동시에 가접되는 가접부(50)를 형성한다.The laminated fabric is put into an ultrasonic jointer, and ultrasonic waves are generated at the edges of the laminated portion to form a joint portion 50 that is cut and attached simultaneously for each foot size of the human body.
이렇게 초음파를 통해 가접부(50)가 형성시키면 별도의 재단하는 단계를 없앨 수 있고, 또한 재단된 바닥부(30)의 경계면과 전면덮개부(10) 및 측면덮개부(20)의 경계면을 정렬하는 단계를 없앨 수 있어 생산성이 향상되는 효과를 가져 올 수 있다.(S40)When the temporary contact part 50 is formed through ultrasonic waves, a separate cutting step can be eliminated, and the boundary surface of the cut bottom part 30 and the front cover part 10 and the side cover part 20 are aligned. It is possible to eliminate the step to bring about the effect of improving productivity. (S40)
그리고 바닥부(30)와 가접된 전면덮개부(10)와 측면덮개부(20)는 가접부(50)를 보강하기 위해 열 접착기를 통해 핫멜트(40)를 가접부(50)의 표면에 열융착시켜 덧신(100)을 완성한다.In addition, the front cover portion 10 and the side cover portion 20 connected to the bottom portion 30 heat the hot melt 40 on the surface of the bonding portion 50 through a thermal bonding machine to reinforce the bonding portion 50. The overshoes 100 are completed by fusion bonding.
여기서 가접부(50)가 없으면 열 접착기에 투입하지 못하기 때문에 바닥부(30)의 경계면과 전면덮개부(10) 및 측면덮개부(20)의 경계면을 정렬한 후 손으로 핫멜트(40)를 일일이 접합해야되지만, S40단계를 통해 가접부(50)를 형성하면 열 접착기에 투입할 수 있어 이 또한 생산성이 향상되는 효과가 있다.(S50)Here, if there is no temporary joint 50, since it cannot be inserted into the thermal bonding machine, after aligning the interface of the bottom 30 with the front cover 10 and the side cover 20, the hot melt 40 Although it must be joined one by one, if the temporary joint 50 is formed through the step S40, it can be put into a thermal bonding machine, which also has the effect of improving productivity. (S50)
한편 상기 S50단계에 앞서, 상기 핫멜트(40)의 수축에 의한 굴곡이 생기지 않도록 가접부(50)와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부(41)를 형성하는 핫멜트 커팅 단계를 더 포함할 수 있다.(S50a)Meanwhile, prior to step S50, a hot melt cutting step of forming a plurality of expansion and contraction incisions 41 in the upper and lower portions excluding the virtual center line in contact with the temporary contact portion 50 so as not to bend due to the contraction of the hot melt 40 is performed. It may further include. (S50a)
S50a단계에서 신축절개부(41)를 형성하는 이유는 핫멜트(40)가 열융착 후에 수축되는 공간을 확보하게 되어 수축에 의한 핫멜트(40) 결합부위의 굴곡을 없에 매끄러운 외관을 유지할 수 있기 때문이다.The reason for forming the expansion and contraction incision 41 in step S50a is that the hot melt 40 secures a space for contraction after heat fusion, so that the smooth appearance can be maintained without bending of the joint portion of the hot melt 40 due to contraction. .
본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 있을 수 있음을 이해하여야 한다.Since the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention and do not represent all the technical spirit of the present invention, various equivalents that can replace them at the time of application And it should be understood that there may be variations.

Claims (2)

  1. 발등을 덮는 전면덮개부;와, 발뒤꿈치와 발측면을 감쌀 수 있도록 전면덮개부의 양측 내측면에 접착층을 사이에 두고 열융착되어 상기 전면덮개부와 상호 간 연결되는 측면덮개부;와, 상기 전면덮개부 및 측면덮개부와 초음파로 의한 가접부로 연결되는 바닥부;와, 상기 가접부를 보강하기 위해 열융착되는 접착층이 결합된 핫멜트;를 포함하여 이루어지되, 상기 핫멜트는 열팽창 후 수축에 의한 굴곡이 생기지 않도록 가접부와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부가 형성되는 무재봉 덧신의 제조방법에 있어서,A front cover part covering the instep; And, a side cover part that is heat-sealed with an adhesive layer on both inner sides of the front cover part so as to wrap the heel and the foot side, and is connected to each other with the front cover part; And, The front And a bottom portion connected to the cover portion and the side cover portion by a temporary bonding portion by ultrasonic waves; and a hot melt in which an adhesive layer heat-sealed to reinforce the temporary bonding portion is bonded; wherein the hot melt is bent due to shrinkage after thermal expansion In the manufacturing method of the non-sewn overshoes in which a plurality of expansion and contraction incisions are formed in the upper and lower portions excluding the virtual center line in contact with the temporary joint so as not to occur,
    원단을 전면덮개부와, 측면덮개부와, 바닥부로 나뉘어 재단하는 단계;(S10)Cutting the fabric into a front cover portion, a side cover portion, and a bottom portion; (S10)
    상기 전면덮개부의 양측 내면에 측면덮개부의 양측을 접착층을 통해 열융착시켜 부착하는 단계;(S20)Attaching both sides of the side cover to the inner surfaces of both sides of the front cover by heat fusion through an adhesive layer; (S20)
    바닥부의 상부로 전면덮개부와 측면덮개부를 적층시키는 단계;(S30)Laminating the front cover portion and the side cover portion to the top of the bottom portion; (S30)
    적층된 원단을 초음파접합기에 투입하고, 적층 부위의 가장자리로 초음파를 발진시켜 인체의 발사이즈 별로 절단과 동시에 가접되는 가접부를 형성하는 단계;(S40) 및Injecting the laminated fabric into an ultrasonic jointer, and generating an ultrasonic wave at the edge of the laminated region to form a joint that is simultaneously cut and joined according to the size of the human foot; (S40) and
    바닥부와 가접된 전면덮개부와 측면덮개부는 가접부를 보강하기 위해 열 접착기를 통해 핫멜트를 가접부의 표면에 열융착시켜 덧신을 완성하는 단계;(S50)를 포함하여 이루어지는 것을 특징으로 하는 무재봉 덧신의 제조방법.A step of heat-sealing the hot melt to the surface of the temporary bonding unit through a heat bonding machine to reinforce the front cover portion and the side cover portion temporarily bonded to the bottom portion to reinforce the temporary bonding portion to complete the overshoes; (S50) Method of manufacturing.
  2. 제1항에 있어서,The method of claim 1,
    상기 S50단계는 상기 핫멜트의 열팽창 후 수축에 의한 굴곡이 생기지 않도록 가접부와 맞닿는 가상중심선을 제외한 상부와 하부로 다수의 신축절개부를 형성하는 핫멜트 커팅 단계;(S50a)를 더 포함하는 것을 특징으로 하는 무재봉 덧신의 제조방법.The step S50 is a hot melt cutting step of forming a plurality of expansion and contraction incisions in the upper and lower portions excluding the virtual center line in contact with the temporary joint so as not to cause bending due to shrinkage after thermal expansion of the hot melt; (S50a), characterized in that it further comprises Method of manufacturing non-sewn overshoes.
PCT/KR2020/002125 2019-02-20 2020-02-14 Method for manufacturing seamless no-show socks WO2020171485A1 (en)

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KR102048501B1 (en) * 2019-02-20 2020-01-22 주식회사 제이패션 Manufacturing method of non-sewing outer socks
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