JP6536818B2 - Shoe using high resilience resin foam material in insole and manufacturing method thereof - Google Patents

Description

  The present invention is a shoe in which a lower end portion of an upper portion and an outer peripheral portion of an insole are bag-stitched, and a highly resilient resin foam material such as ethylene vinyl acetate (hereinafter referred to as EVA) is used in the insole. It relates to the used shoes.

  There are various manufacturing methods of shoes, but the manufacturing method called cement type or cemented type is an inexpensive method of bonding the upper part of the upper consisting of the upper and the insole with the sole of the sole with the adhesive. Because it was not flooded from the soles, it was a popular production method of shoes.

  Since it is necessary to bond the insole to the outsole in the cement-type manufacturing shoe, the insole has good adhesion to the adhesive and has a strength capable of holding the outsole, such as leather or felt Was used.

In addition, in the case of using an impact relaxation material such as a high resilience resin foam material, it is generally inserted partially between the insole and the outsole of the buttocks.

  For example, in a cemented shoe, the invention of a shoe having a cushion material inserted in a heel portion is disclosed as prior art. (Reference 1).

JP-A-9-206104

  When a high resilience resin foam material is used as a cushioning material, since the cushioning property is high and the return (flexibility) of the shoe is good, an effect that the foot is less likely to be tired can be expected. However, since the place where weight is applied through the foot changes at any time according to the movement of the foot, the entire foot sole changes, but in the prior art, the cushioning material is put only in the buttocks. Because there is not, the effect can not be exhibited enough. In addition, even if a high resilience resin foam material is used as a cushioning material for the entire foot sole of the prior art shoes, the flexibility of the high resilience resin foam material is provided because it is installed under a rigid insole. However, the effect of the high resilience resin foam material can not be exhibited.

  The present invention solves these problems, and in a shoe in which the outer periphery of the insole and the upper shell are sewn into a bag, a woven fabric is formed by lining and adhering to the lower surface of the high resilience resin foam material. By using the insole, it has a cushioning property and good flexibility, so it is difficult to get tired, and a shoe using a high resilience resin foam material in the insole that has an auxiliary effect of foot movement during walking is used. It is provided.

A shoe using the high resilience resin foam material according to claim 1 of the present invention as an insole comprises: an insole and an upper shell obtained by bag-sewing the peripheral portion of the insole; an entire lower surface of the insole; and Fukuronui portion of skin a shoe made of cement type process with and a outsole having an outer wall portion made of polyurethane pressed wear integrally, intermediate bottom is EVA foam olefinic resin, And a high resilience resin foam material having a repulsive force in the range of 100 to 150 newtons is backed by a woven fabric, and the peripheral portion of the insole and the peripheral portion of the upper shell are bag-stitched, It is characterized in that the insole and the bag-stitched portion are integrally covered and pressure-bonded by the outer bottom .

Shoes with high resilience resin foam according to the present invention the midsole, Ru der those before Symbol high resilience resin foam has EVA foamed olefin resin.

Shoes with high resilience resin foam according to the present invention the midsole, before Symbol high resilience, area by der repulsion 100-150 Newtons.

The shoe using the high resilience resin foam material according to claim 2 as the insole is the shoe using the high resilience resin foam material according to claim 1 as the insole, wherein the woven fabric is a cotton fabric It is characterized by

Shoes with high resilience resin foam according to the present invention the midsole, before Symbol polyurethane tabulated bottom, Ru injection phi Ron der.

By adopting these constitutions, the shoe using the high resilience resin foam material according to the present invention in the insole has high resilience, which is installed all over the sole of the foot, when shocked when walking or running. It can be absorbed by the resin foam. In addition, by using the repulsive force of the high resilience resin foam material used for the insole, it is possible to work to assist the force of the foot when standing up or running. In addition, since the high resilience resin foam material is used for the insole, it has good flexibility and can be integrated in conjunction with the movement of the sole of the foot. Thus, foot fatigue can be suppressed. In particular, when the injection phylon is used on the outsole, the backrest (flexibility) of the outsole is also good, so that the deformation of the shoe can be linked to the movement of the sole of the foot. In addition, by providing a cushion under the entire sole of the foot, the reaction force from the ground must be transmitted to the foot through the cushion, so it is possible to reduce the load on the knees and hips.

In addition, high resilience resin foam material is easy to tear if it is sewed as it is, and adhesion with polyurethane top is very poor, but woven fabric is pasted to the back of high resilience resin foam material Therefore, this woven fabric does not tear the insole during bag-sewing by the woven fabric, and the adhesion with the outsole is improved, and the flexibility of the insole is not inhibited because it is elastic.

In addition, since the upper seams of the upper and the insoles are integrally covered and pressure-bonded by the outer sole, it is possible to reinforce the seams and prevent water leakage from the seams.

The shoe manufacturing method using the high resilience resin foam material according to claim 3 for the insole is EVA foaming of an olefin resin and one side of the high resilience resin foam material having a repulsive force of 100 to 150 newtons After bonding the woven fabric to the entire surface, it is cut into a predetermined shape to form an insole, and then the periphery of the insole and the periphery of the upper are bag-stitched to form a shoe upper, and then It is characterized in that a shoe is manufactured by covering the whole surface of the bottom woven fabric and the bag-stitched portion of the shoe upper portion and fitting a polyurethane outer bottom coated with an adhesive beforehand.

Method for manufacturing shoes with high resilience resin foam according to the present invention the midsole, a front Symbol polyurethane tabulated bottom, and a middle bottom woven fabric entirely and bag sewing portion when adhered and pressed The entire outer surface of the outer sole is fitted in a mold, and a core fitted in the inside of the shoe upper is inserted, and then the bonded portion is sandwiched between the mold and the core and then pressed and bonded. Ru.

Method for manufacturing shoes with high resilience resin foam according to the present invention the midsole, Ru der those before Symbol high resilience resin foam has EVA foamed olefin resin.

Method of manufacturing a shoe used in the midsole high resilience resin foam according to the present invention, prior Symbol high resilience, area by der repulsion 100-150 Newtons.

A method of manufacturing a shoe using the high resilience resin foam material according to claim 4 as the insole is the woven fabric according to the manufacturing method of shoes using the high resilience resin foam material according to claim 3 as the insole It is characterized in that the fabric is a cotton fabric.

Method of manufacturing a shoe used in the midsole high resilience resin foam according to the present invention, prior Symbol polyurethane tabulated bottom, Ru injection phi Ron der.

  According to these configurations, the woven fabric is adhered to at least the lower surface of the high resilience resin foam material, so that the high resilience resin foam material can be prevented from being torn when it is sewed as a bag, and the adhesiveness with the outer bottom is obtained. Can be improved. In addition, since the core is used inside the upper portion of the bag-stitched shoe when the outer sole is crimped, the entire outer sole can be bonded uniformly. In addition, by covering and press-bonding the bag-stitched seam on the upper part of the shoe with the outer sole, it is possible to reinforce the bag-stitched seam and prevent water from infiltrating from the seam.

According to the shoe using the high resilience resin foam material according to claims 1 to 2 according to the present invention in the insole, the foot is less tired, and the load on the knees and hips can be reduced, and also assistance in walking and running can do. Moreover, while being able to prevent that a high resilience resin foam material tears, the adhesiveness of an outsole and an insole can be improved. In addition, since it is possible to prevent water immersion from the bag-stitched seam, the comfort of the shoe is not impeded.

Moreover, according to the method of manufacturing a shoe using the high resilience resin foam material as claimed in claims 3 to 4 according to the present invention in the insole, the high resilience resin foam material is lined with a woven fabric, While being able to prevent tearing, the adhesiveness with an outsole can be improved. In addition, since the core is used when bonding the top and bottom, the entire top and bottom can be bonded uniformly. Also, by covering and pressure bonding the upper seam of the upper seam with the outer bottom, it is possible to prevent the entry of water from the seam of the dark seam, so the comfort of the shoe is not impaired.

BRIEF DESCRIPTION OF THE DRAWINGS It is a typical perspective view of the shoes which used the high resilience resin foam material which concerns on the form for implementing this invention for an insole. BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic perspective view of the upper of a shoe which used the high resilience resin foam material which concerns on the form for implementing this invention for an insole. It is a shoe using a high resilience resin foam material according to a mode for carrying out the present invention as an insole, wherein (a) is a schematic perspective bottom view of the insole, and (b) is a) It is an AA arrow sectional view in a figure. It is a shoe using a high resilience resin foam material according to a mode for carrying out the present invention as an insole, and is a bottom view of a state in which an upper shell and an insole are bag-stitched. BRIEF DESCRIPTION OF THE DRAWINGS It is a typical perspective view of the outsole of the shoes which used the high resilience resin foam material which concerns on the form for implementing this invention for an insole. It is a shoe using a high resilience resin foam material according to a mode for carrying out the present invention as an insole, wherein (a) is a sectional view taken along the line B-B in FIG. 1 and (b) is: It is CC arrow sectional drawing in FIG.

  The shoe 1 using the high resilience resin foam material according to the present invention as the insole is as shown in FIG. 1 and FIGS. 6 (a) and 6 (b). Then, the outer peripheral portion of the upper (upper) 2 and the peripheral portion of the insole 3 with the woven fabric 3-2 adhered to at least the lower surface of the high resilience resin foam material 3-1 are bag-sewn, and the woven fabric 3- 2 and bag-stitched peripheral parts 2 and 3 and outer bottoms 4 and 4-1 are pressure-bonded to complete.

  As shown in FIG. 2 and FIGS. 6 (a) and 6 (b), the upper 2 is made by suturing the upper shell 2-2 and the lower shell 2-3. The outer shell 2-2 may be made of leather or synthetic leather. The back shell 2-3 may be made of leather or cloth. In addition, when a resin core is placed between the upper shell 2-2 and the lower shell 2-3 of the buttocks and toes, bag sewing becomes easy.

  As shown in FIGS. 3A and 3B, the insole 3 is cut into the shape of the insole 3 with the woven fabric 3-2 bonded to at least the lower surface of the high resilience resin foam material 3-1. To form. Since the high resilience resin foam material 3-1 has good flexibility, it can be synchronized with the complex motion of the sole of the foot. Thus, foot fatigue can be reduced. In addition, because it has high resilience, cushioning is good, so it is possible to reduce the fatigue of the foot and to reduce the burden on the knees and hips. The high resilience resin foam material 3-1 is easy to tear, and the adhesiveness with the front bottom 4 made of polyurethane is very poor, but at least the lower surface of the high resilience resin foam material 3-1 is a woven fabric 3 Since it adhere | attaches, while being able to prevent that the high resilience resin foam material 3-1 tears, adhesiveness with the insole 3 and the outsole 4 made from urethane can be improved remarkably. Further, since the high resilience resin foam material 3-1 is high resilience and has good return, it plays an auxiliary role of a foot when a person stands up or walks and runs. The high resilience resin foam material 3-1 is obtained by foaming an olefin resin with EVA (ethylene-vinyl acetate copolymer), and has a resilience of 100 to 150 Newtons in accordance with JIS k6400-2. The thickness of the insole 3 is preferably about 3 mm, and the woven fabric 3-2 is preferably a cotton-made woven fabric.

  As shown in FIG. 5, the outsole 4 is made of polyurethane, and has an outer peripheral part 4-1 for covering a sewing thread and a sewing hole in which a shell 2 and an insole 3 are sewed on the outer peripheral part. . Since the outsole 4 is made of polyurethane, it is flexible and can be bent in unison with the movement of the sole of the foot transmitted through the insole 3. In addition, it is lightweight as the top 4 using an injection phylon, and since it is lightweight and flexibility, it is suitable as the top 4. In addition, since the outer wall 4-1 of the outer sole 4 can cover and press-bond the bag sewing thread 3-3 of the shoe upper portions 2 and 3 and the sewing hole thereof, the seam can be reinforced and water flooding from the seam can be prevented. Can.

  Next, an example of a method of manufacturing the shoe 1 using the high resilience resin foam material according to the present invention in the insole will be described. First, the upper shell 2-2 and the lower shell 2-3 are sewn to prepare the upper 2. At this time, a core material made of resin is sandwiched between the upper shell 2-2 and the lower shell 2-3 at the position of the toe portion and the buttocks, and is sutured together. Next, after bonding the lower surface to the woven fabric 3-2, the high resilience resin foam material 3-1 is cut into a predetermined shape, and the peripheral portion of the insole 3 and the peripheral edge of the shell 2 To sew a bag. Furthermore, a wooden or resin core is inserted into the inside of the shoe uppers 2 and 3 formed by the upper 2 and the insole 3, and the outer base 4 is fitted and fixed to the mold. Then, an adhesive is applied to the inner surface of the outer wall portion, and the shoe upper portions 2 and 3 are placed on the upper surface of the outsole 4 and adhered while applying pressure from below and on the side of the outsole 4. At this time, the bag-stitched threads 3-3 of the shoe upper portions 2 and 3 and the sewing holes thereof are adhered so as to be covered by the outer wall portion 4-1 of the outsole 4. Thereafter, after the mold is removed, the core is also removed, and the shoelace 2-1 is passed through the lace hole and completed.

  If the shoe 1 using the high resilience resin foam material according to the present invention as the insole, the high resilience resin foam material 3-1 with good return (flexibility) to the insole 3 is used on the entire surface, Furthermore, since the lightweight, flexible and durable injection phylon is used for the outsole 4, both the insole 3 and the outsole 4 have good flexibility, so they are synchronized with the complex motion of the sole of the foot. be able to. Furthermore, since the insole 3 and the outsole 4 are both lightweight, foot fatigue can be reduced. In addition, because of high resilience and good cushioning properties, it is possible to reduce the fatigue of the foot and to reduce the burden on the knees and hips. Moreover, it plays a role of assisting the legs when a person stands up or walks and travels by using a highly resilient resin foam material 3-1 with good return.

  It can be widely used in the field of cement-made shoes.

1: Shoes with high resilience resin foam material in the insole 2: Upper shell
2-1: Shoe lace 2-2: Outer shell 2-3: inner shell 3: inner sole 3-1: high resilience resin foam material 3-2: woven fabric (cotton)
3-3: Bag sewing thread 4: Outer bottom 4-1: Outer wall

Claims (4)

And the insole, and uppers that Fukuronui a peripheral portion of the intermediate bottom, the outsole having an outer wall portion made of polyurethane pressed wear integrally and Fukuronui portion of the entire lower surface of the intermediate bottom and該甲skin, A shoe made of a cement-type manufacturing method, wherein the insole is made of EVA resin of olefin resin and backed by a woven fabric with a high resilience resin foam material having a repulsive force of 100 to 150 newtons It is adhesively bonded, and the peripheral edge portion of the insole and the peripheral portion of the upper shell are bag-stitched, and the insole and the bag-sewn portion are integrally covered and pressure-bonded by the outer bottom. A shoe using the high resilience resin foam material as an insole. The shoe using the high resilience resin foam material according to claim 1, wherein the woven fabric is a cotton fabric . After an olefin resin is EVA-foamed and a woven fabric is adhered to the entire surface of one side of a high resilience resin foam material having a repulsive force of 100 to 150 newtons, it is cut into a predetermined shape to form an insole. Then, the peripheral edge of the insole and the peripheral edge of the upper shell are bag-stitched to form the shoe upper, and then the entire fabric surface of the insole is covered with the fabric-stitched portion of the shoe upper and an adhesive is applied beforehand. A method of manufacturing a shoe using a high resilience resin foam material as an insole, comprising: fitting a polyurethane outer bottom, and press bonding to produce a shoe . The method for manufacturing a shoe using the high resilience resin foam material according to claim 3 , wherein the woven fabric is a cotton fabric.

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