KR20000006616A - A liner of sports boots &its manufacturing method - Google Patents

Abstract

PURPOSE: A method for manufacturing a liner is provided to be used for a sport boot using an EVA sponge or a high density sponge with an excellent wearing feeling and warmth keeping rate. CONSTITUTION: A manufacturing method for a sport boot liner comprises:cutting a plate shaped sponge into a certain size and a certain shape; spraying on the rim of the cut material for adhering the cut material by folding into halves; sewing the outer circumferential surface of the adhered unit; heat treating process for softening the physical property of the sponge; covering by using a sock shaped cut material after heat treating and cooling the cut material; and removing the cover from the liner shaping material for separating a boot stretcher.

Description

A liner of sports boots & its manufacturing method

The present invention relates to a liner for sports (snowboard, ski, skate, roll skate) boots, and a method of manufacturing the same. More specifically, in forming the shape of the liner, EVA paper or a high-density sponge, It is intended to provide a method for manufacturing a liner completed by a relatively simple process by cutting, gluing and sewing, applying heat and pushing a foot-like new bone inside.

Snowboarding, skiing, and skating are mainly winter sports that are played on snow or ice, and those who enjoy them want to protect their feet from the cold energy of the ground.

Those who enjoy the sports described above are provided with socks that are inexpensive and have excellent fit and warmth, and protect their feet from being damaged by cold energy. To do this, they wear thick leek and a sponge, a liner with cushions, and then wear a leek to protect their feet. At this time, the liner to be worn should not only have excellent heat retention, but also provide comfort when worn, and should be able to be provided at a low price.

In addition, those who enjoy roller skating are provided with protective equipment to protect their ankles, and they want to enjoy roller skating under safe conditions. To do this, you must wear appropriate protection on the ankle, but until now there was no suitable protection.

In general, the liner used is a complicated manufacturing process and requires a lot of manufacturing equipment.

A method of making liners using vinyl or fabric.

1) Cut vinyl or fabric for each part.

2) Attach the pieces cut by each part with adhesive or connect them through sewing to complete the liner form. At this time, the sewing line is formed inward.

3) The sponge is attached to the ankle, the heel portion requiring a cushion to the skin type is provided in a predetermined size.

4) Complete the UPPER by sewing the endothelial of the skin type to which the sponge is attached.

5) Using a molding machine (front molding machine), a midsole is attached to the skin with a latex yarn to perform front molding.

6) Next, another midsole is completely attached to the skin using another molding machine (back molding machine), and the skin is molded into the shape of a liner.

7) The outsole is attached to the lower side of the liner shape completed by the above method, and this attachment method requires two lines as follows.

A) One side line of the bottom of the liner-shaped midsole is subjected to the stepping operation (grinding to brush) and pre-treatment work, and to apply heat treatment by applying an adhesive to the stepping midsole, and to apply the adhesive again to the heat treatment.

B) The outsole to be attached to the midsole is moved to the other side line, and the outsole is also subjected to the above-mentioned buffing work (grinding with brush) and pretreatment work. do.

8) Bond the outsole with the liner shape worked on both lines.

9) Compress the attached midsole and the outsole with a compress to firmly bond.

10) Next, through the cooling process (air cooling) to obtain a completed liner.

As described in detail above, the manufacturing method of the conventional liner is very complicated, and in particular, it is necessary to install and use a molding machine and a compactor, which requires a lot of facility costs and requires a lot of manpower for each process such as cutting, sewing, and molding compression. Although the main cause of the unit cost of the product is high, the defect rate is high, and there is a problem such as a low thermal insulation when using the liner.

The present invention has been made to solve the problems described above, the object of the present invention is a low-cost, yet comfortable to wear and good thermal insulation EVA sponge or sports using a high-density sponge (snowboard, ski, skate, It is an object of the present invention to provide a method for manufacturing a liner for boots.

In order to achieve the above object, the EVA sponge or the high-density sponge is mixed on both sides of the cloth, and cut into pieces according to a predetermined size, and after the sewing process and the adhesion process, the softening of the sponge material is performed through a heat treatment process, and then the new bone is pushed into the inside. The upper both sides are folded and rolled around the new bone, and the cover is covered outside to cool. The present invention is characterized by a liner for sports boots manufactured by such a method and a method of manufacturing the same.

1 is a simplified view for explaining the manufacturing method of the present invention

2 is a perspective view of a liner of the present invention;

3 is a cross-sectional view taken along line A-A of FIG.

☞ Explanation of symbols used in the main part of the drawing ☜

1: liner

2: if

3: back part

4: sewing

5,6: side edge

7: opening

1 is a simplified view for explaining the manufacturing method of the present invention.

The present invention is to form a liner using an EVA sponge or a high-density sponge, which will be described in detail as follows.

1) material preparation;

A roll or sheet of EVA sponge or a high density sponge is prepared and fabric is fabricated by laminating cloth on both sides thereof.

2) foundation;

The fabric is cut into a certain size and shape.

3) sewing;

Sew the outer periphery on the upper side of the cut.

4) adhesion;

The adhesive is applied in a predetermined width along the unsealed lower edge of the cut and the cut is folded in half.

5) sewing;

The outer periphery of the adhesive part of the altar is sewn to form a bag shape.

6) heat treatment;

The bag-shaped cutting to be the above process is passed through the heating chamber 100 is maintained a constant temperature to soften the sponge cutting.

7) molding;

Inside the pouch-shaped cutting body, which is heated, the new bone 200 that is in the shape of a foot is pushed to form a liner shape.

8) fastening and cooling;

One side of the upper end of the cutting piece covered with the new bone is positioned inward and the other side is enclosed outside thereof, and then the cover 300 of the sock type is cooled and cooled (air-cooled).

9) cover and renal bone separation;

The cover 300 is removed from the liner formation and the new bone 200 is separated to complete the liner.

In the present invention manufactured as described above, the method of manufacturing a liner is EVA sponge or a high-density sponge, which is fabricated on both sides of a cloth and cut it by a predetermined size, followed by a sewing process and an adhesive process, and then softening the sponge material through a heat treatment process. Next, push the new bone inside, overlap the upper both ends, roll it on the new bone 200, put the cover 300 on the outside, cool it, and restore the sponge cut to its original state. Then, simply remove the cover 300 and the new bone 200 from the liner. It is finished.

That is, the manufacturing line for realizing the present invention is manufactured separately from a cutting machine for cutting the fabric, a sewing machine for sewing it, a heating machine 100 for applying heat, and a plurality of new bone 200 and cover 300 is completed as in the prior art. The cost of facility investment can be reduced by eliminating the need for machinery. The invention also makes the production line very simple.

And the present invention is to be able to produce a high-quality sports boots liner can be significantly reduced the defective rate while being able to produce even a small manpower by simplifying the manufacturing process as described above.

2 is a perspective view of a liner completed by the method described above.

The outer shape of the liner 1 of the present invention, which is cut into a plate shape and completed through sewing, gluing, molding, and the like, is formed in a substantially tabby shape. The lower surface 2 and the back portion 3 are sewn on both sides with an adhesive material, and the sewing portion 4 sewn thereon is positioned. The upper end of the liner 1 surrounds both sides 5 and 6 to form an opening 7.

The liner of the present invention as described above is worn on the foot in the same manner as when the user wears the socks, holding the both ends 5 and 6 of the opening 7 enclosed so as to overlap with the hand and injecting the foot into the opening 7 and then the both ends 5 and 6 To pull.

The liner 1 to be worn in this way is composed of EVA sponge or high-density sponge to protect the foot safely even in situations where the body temperature can be suddenly lost due to snow or freezing by keeping the body temperature generated inside when worn. It can cope with the risk of being made of a single piece rather than a series of pieces as in the prior art, the fit is much better.

In addition, the liner of the present invention is used for roller skating and may serve as a protective device for protecting the ankle.

The liner of the present invention configured as described above is composed of a sponge, so when the user purchases a new product and the external appearance increases when the user does not fit the foot, the liner is placed on a means (such as a microwave oven provided in a home) for heating the liner. Put it on, apply heat, and then wear a liner on your feet, wear sports boots on the outside, and take off the boots after about two to three minutes. It becomes possible.

According to the present invention, the EVA sponge or the high-density sponge is fabricated on both sides of the cloth, and cut into pieces according to a predetermined size, and after the sewing process and the bonding process, the softening of the sponge material is performed through a heat treatment process, and then the new bone is pushed inside. Put the upper and both ends of the upper and outer sides of the new bone, cover the outside and cool it, and then separate the cover and the new bone.As described above, the manufacturing process is simple and the production is made with little manpower. It will provide the effect of dissemination.

What has been described above is only one embodiment of the present invention, the present invention is not limited to the above-described embodiment, it is common in the art to the art without departing from the gist of the invention claimed in the following claims Those skilled in the art can easily change the same technology as the present invention as long as the basic technical configuration.

Claims (2)

In forming a liner for snow boots using an EVA sponge or a high density sponge, A material preparation process of preparing a roll or plate-shaped sponge and laminating cloth on both sides thereof to form a fabric; Cutting the fabric into a certain size and shape; Sewing the outer periphery of the upper side of the cutting, The process of applying the adhesive with a predetermined width along the lower edge of the sewing sewn of the cutting to fold the cutting in half and sew the outer periphery of the adhesive portion, A heat treatment step of passing the cutting material of the above process through the heating chamber to soften the physical properties of the sponge; Push the new bone that is foot-shaped into the inside of the cut, and place one side of the upper end of the cut piece covered with the new bone inward, and the other side to surround the outside, and then put on the cover of the socks. Forming process for cooling it, Method of manufacturing a liner for sports boots, characterized in that the process of separating the cover from the liner formation and separating the new bone. In forming the outline of the liner in the shape of a rough line, The lower part 2 and the back part 3 is formed with a sewing part 4 and the liner 1 upper liner sports boots liner, characterized in that the opening portion 7 is formed so as to overlap the both ends 5,6.