JP2003116603A - Shoes gap adjusting tool and method for manufacturing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce worries about the sole such as cornification, deformation of the bones of the foot of the user of a shoe by sticking a shoe gap adjusting tool to the shoe at a position matching the position of the arch of the foot according to the bones of the user of the shoe. SOLUTION: The shoe gap adjusting tool 1 is provided with a shoe gap adjusting pad 5 which has a shape nearly corresponding to a gap between the shoe 7 and the arch of the foot and is formed thick at its center part and thin on its tip side and rear end side, and a sticking part 11 for sticking the pad to the insole 9 of the shoe 7 is provided on the rear surface of this pad 5. Since the pad 5 is easily stuck to the insole 9 of the shoe 7 so as to be fitted to the position corresponding to the shape of the arch of the foot of the user, the load onto the sole is distributed to the whole of the sole.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoe clearance adjuster which can be attached according to the position of the arch according to the skeleton of the foot of the user of the shoe, and a method for manufacturing the shoe clearance adjuster.

[0002]

2. Description of the Related Art Conventionally, since a skeleton (arch) of the foot causes a gap between the insole of the shoe and the sole of the shoe, a skeleton is deformed, causes pain, or is easily tired. Cause The following points can be mentioned as the causes of the above-mentioned gap.

(1) The skeleton (arch) of the foot and the insole of the shoe (contact portion between the sole and the shoe) do not match.

(2) The inner volume of the upper part of the foot and the upper part of the shoe do not match. As an example of this, there may be a margin in the instep part and the instep part of the shoe from the beginning of the purchase of the shoe, or the above margin may occur as the shoe is worn.

(3) The cause is an incorrect selection of the shoe size.

In order to solve the above problems, a padded insole having a pad near the position of the arch has been devised. It is also proposed that the padded insole is laid on the insole of the shoe so that the pad serves as a cushioning material between the arch and the insole of the shoe to distribute the load.

[0007]

By the way, as described above,
The problems caused by the gaps are as follows.

(1) The load applied to the sole of the foot is 2 between the toe and the heel.
There are the following problems to concentrate on the points. That is, keratinization occurs on the soles of feet such as beans, octopus, and eyes of fish, which causes pain and makes the appearance worse. In addition, it causes the skeleton to be deformed such as an open leg or hallux valgus, which causes pain or makes the appearance worse. Further, since the impact due to the load such as heel pain and trampling pain becomes strong, pain occurs.

(2) Since the gait is not stable, useless force such as muscle fatigue and muscle pain is applied, which causes tiredness and pain.

The present invention has been made to solve the above problems, and an object thereof is to attach a pad portion in accordance with the position of the arch according to the skeleton of the foot of the user of the shoe. An object of the present invention is to provide a shoe clearance adjuster and a method for manufacturing the shoe clearance adjuster that can achieve stable walking and can reduce troubles of the sole such as keratinization and skeletal deformation.

[0011]

In order to achieve the above object, the shoe clearance adjusting device of the present invention according to claim 1 has a shape which substantially corresponds to the shape of the clearance between the shoe and the arch portion of the foot. The shoe gap adjusting pad has a thick center portion in the front-rear direction of the shoe and thin front and rear end sides.

Therefore, since the shoe clearance adjusting pad is applied to the position matching the shape of the shoe of the user and the arch portion of the foot, the load applied to the sole is distributed over the sole. It reduces keratinization of legumes, octopuses, fish eyes, etc., skeletal deformation such as open legs, hallux valgus, etc., and stress on the soles caused by concentrated impacts such as heel pain and trampling pain.

According to a second aspect of the present invention, there is provided a shoe clearance adjusting tool according to the first aspect, wherein the shoe clearance adjusting tool has a sticking portion on the back surface of the shoe clearance adjusting pad. It is characterized by being prepared.

Therefore, the shoe clearance adjusting pad can be easily attached to the shoe by the attaching portion.

According to a third aspect of the present invention, there is provided the shoe clearance adjusting device according to the first or second aspect, wherein:
A front and rear skin member is integrally attached to the front surface side of the shoe clearance adjusting pad.

Therefore, since the front and rear skin members are integrally provided on the surface side of the shoe clearance adjusting pad, they can be stably attached to the shoe.

According to a fourth aspect of the present invention, there is provided the shoe clearance adjuster of the present invention, wherein the adhering portion is a part of the back surface of the shoe clearance adjusting pad and the skin member. It is characterized by being attached to the entire surface.

Therefore, since the sticking portion is provided on the back surface of the shoe gap adjusting pad and the skin member, the sticking portion can be stuck to the shoe in a more stable state.

According to a fifth aspect of the present invention, there is provided the shoe clearance adjuster of the present invention, wherein the shoe clearance adjuster according to any one of the first to fourth aspects is retrofitted to the sticking portion with respect to the shoe. It is characterized in that release paper is attached as much as possible.

Therefore, the shoe clearance adjustment pad is positioned at a position corresponding to the shape of the clearance between the shoe of the user and the arch of the foot, and then the release paper is peeled off, so that the shoe clearance adjustment pad is removed. Can be properly and easily attached to a position that fits in.

According to a sixth aspect of the present invention, there is provided a shoe clearance adjusting tool according to any one of the first to fifth aspects, wherein the shoe clearance adjusting pad has a hardness of 4 or less.
It is characterized by comprising an elastic member of 0 to 60 degrees.

Therefore, a comfortable wearing feeling and combined use can be obtained by the optimum elastic hardness. In addition, fatigue is alleviated by stable walking with a moderate grip.

According to a seventh aspect of the present invention, there is provided a shoe clearance adjusting device in which the shoe clearance adjusting pad according to any one of the first to sixth aspects is made of a transparent elastic member. To do.

Therefore, since the shoe gap adjusting pad is made of a transparent elastic member, it can be applied to any shoe color.

According to a eighth aspect of the present invention, there is provided a method for manufacturing a shoe clearance adjuster, which has a shape substantially corresponding to the shape of the clearance between the shoe and the arch portion of the foot, and has a thick central portion in the front-rear direction of the shoe. When manufacturing a shoe gap adjuster having a sticking portion for sticking to the shoe on the back surface of the shoe gap adjusting pad whose front end side and rear end side are thinly formed, the above-mentioned shoe gap adjusting pad In the mold having the shape of, after flowing the molding material of the elastic member before vulcanization, the molding material in this mold is heated and vulcanized to mold the shoe gap adjustment pad, The above-mentioned pasting portion is pasted on the back surface of this molded shoe clearance adjusting pad.

Therefore, the shoe clearance adjuster can be mass-produced easily and the cost can be reduced. In the shoe clearance adjuster manufactured in this manner, the trouble of the sole is reduced as in the first aspect.

According to a ninth aspect of the present invention, there is provided a method for manufacturing a shoe clearance adjuster according to the present invention, which has a shape substantially corresponding to the shape of the clearance between the shoe and the arch portion of the foot, and has a thick center portion in the front-rear direction of the shoe. The front and rear ends are thinly formed on the front surface side of the shoe gap adjusting pad, and the front and rear extending skin members are integrally provided, and the shoe gap adjusting pad and the back surface of the skin member are partially or entirely formed. When manufacturing a shoe clearance adjuster having an attachment portion for sticking to the shoe, the elastic member before vulcanization is placed in a mold having the shape of the shoe clearance adjustment pad described above. After injecting the molding material, the molding material in the mold is heated and vulcanized to form the shoe gap adjusting pad, and the above-mentioned skin member is provided on the surface side of the formed shoe gap adjusting pad. Adhesive and integrated, this shoe gap adjustment pad and skin It is characterized in that adhering the above bond portion part or the entire surface of the back surface of the wood.

Therefore, the shoe clearance adjuster can be mass-produced easily and the cost can be reduced. In the shoe clearance adjuster manufactured in this manner, the trouble of the sole is reduced as in the first aspect. Moreover, the outer skin member allows the shoe to be stably attached.

[0029]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

With reference to FIGS. 1 and 2, a shoe gap adjusting tool 1 according to this embodiment is bonded from a skin member 3 and a shoe gap adjusting pad 5 made of an elastic member with, for example, an adhesive. By doing so, it is integrally configured.

The skin member 3 has a shape that extends in the front-rear direction from the shoe clearance adjusting pad 5 and substantially corresponds to the shape of the insole 9 near the position of the arch of the shoe 7. The outer periphery of the skin member 3 and a side edge of the insole 9 are provided with some allowance so that the insole 9 does not deviate from the shape of the insole 9 even if it is moved in a certain direction. The skin member 3 is made of, for example, artificial leather, but is not limited to this.

The shoe clearance adjusting pad 5 has a shape that substantially corresponds to the arch shape of the arch of the foot, and is centered in the front-back direction of the shoe 7 as shown in FIGS. 3 and 4. The part is thick and the front end side and the rear end side are thin. As a material of the shoe clearance adjusting pad 5, for example, an elastic resin material having a hardness of 40 to 60 degrees such as SBR synthetic rubber, EVA ever resin, urethane foam or the like is used. In this embodiment, SBR synthetic rubber having a hardness of 45 degrees is used.

Further, the back surface of the skin member 3 and the shoe gap adjusting pad 5 is provided with a double-sided tape 11, for example, as an adhesive portion for adhering to the insole 9 of the shoe 7 on a part or the entire surface thereof. . In this embodiment, as shown in FIGS. 1 and 2, the back surface of the shoe clearance adjuster 1 is provided with the above-mentioned double-sided tape 11 on the front and rear ends in the front-rear direction. A release paper 13 is attached to the shoe 11 so that it can be retrofitted to the shoe 7.

Since the skin member 3 and the shoe gap adjusting pad 5 are made of a colorless and transparent material, it is desirable that they can be applied to shoes 7 of any color.

With the above structure, when the user wears the shoe 7, the user moves the shoe gap adjusting tool 1 so that the shoe gap adjusting pad 5 is aligned with the position of the arch of the foot.
With the shoe clearance adjuster 1 positioned in this manner, the shoe 7 is pressed while holding the shoe clearance adjuster 1 by hand so as not to shift.
Is removed, one of the double-sided tapes 11 on the front end side and the rear end side is peeled off, and then the backing tape 13 is attached to the insole 9. Next, the release paper 13 of the other double-sided tape 11 is peeled off and attached to the insole 9.

As described above, the shoe gap adjusting tool 1 is easily attached to the insole 9 of the shoe 7 by applying the shoe gap adjusting pad 5 to the position corresponding to the shape of the arch of the user's foot. To be In other words, the position of the shoe clearance adjustment pad 5 is adjusted so that the shoe clearance adjustment pad 5 fits the user's foot.
It can be properly and easily positioned and attached to any place on the. Therefore, the load applied to the sole of the foot is distributed over the toes, the arch, and the heel by the adjustment having a moderate thickness by the shoe clearance adjusting pad 5,
It reduces keratinization of beans, octopus, fish eyes, etc., deformation of the skeleton such as open legs, hallux valgus, etc., and stress on the soles of the feet due to concentration of impacts such as heel pain and trampling pain.

Since the shoe clearance adjusting pad 5 is made of an elastic resin material having a hardness of 40 to 60 degrees, a comfortable wearing feeling and combined use can be obtained due to the optimum elastic hardness. In addition, fatigue is alleviated by stable walking with a moderate grip.

Although the shoe clearance adjuster 1 of the above-described embodiment is formed integrally with the front and rear skin member 3 and the shoe clearance adjustment pad 5 made of an elastic member, The shoe clearance adjuster 1 according to the embodiment is composed of only the shoe clearance adjustment pad 5 without the skin member 3, and the above-mentioned double-sided tape 11 is provided on the back surface of the shoe clearance adjustment pad 5. It may be a shoe clearance adjuster that is attached. Further, the shoe gap adjusting tool may be such that the skin member 3 which is not extended back and forth is attached to the front surface side of the shoe gap adjusting pad 5.

The shoe gap adjuster 1 in which the front and rear skin members 3 are integrally provided on the surface side of the shoe gap adjustment pad 5 is attached to the shoes 7 in a stable state. preferable. Moreover, what the double-sided tape 11 is stuck to a part or the whole surface of the back surface of the shoe gap adjusting pad 5 and the skin member 3 is preferable in that it is stuck to the shoe 7 in a more stable state.

Next, a method for manufacturing the shoe clearance adjuster 1 will be described by taking compression molding as an example.

Referring to FIG. 5, in the mold for compression molding, the inside of the cavity is the shape of the shoe clearance adjusting pad 5, that is, the center portion of the shoe 7 in the front-rear direction is thick and the front end side and the rear end side are It has a thin shape. For example, a synthetic resin material such as SBR as a molding material of the elastic member before vulcanization is flown into the cavity of the mold (step S1).

Then, the molding material in the mold is heated and
The shoe clearance adjustment pad 5 is vulcanized and molded. For example, when the molding material flows into the female mold of the mold and is heated at the same time, and when the molding material is softened and becomes fluid, the male mold of the mold is fitted to the female mold and pressure is applied. In this embodiment, the shoe gap adjusting pad 5 is molded by heating at a heating temperature of 150 ° C. for about 10 minutes (step S2).
And S3).

The molded shoe gap adjusting pad 5 is taken out of the mold (step S4).

The skin member 3 is formed in advance in a shape substantially corresponding to the shape of the insole 9 near the position of the arch of the shoe 7 (step S5). The shoe gap adjusting pad 5 is bonded to the back surface of the skin member 3 with an adhesive to be integrated (step S6).

On the back surface of the integrated shoe gap adjusting pad 5 and the outer skin member, for example, the outer skin member 3, a part or the entire surface thereof is used as an adhesive portion as shown in FIGS. For example, the double-sided tape 11 is attached, and the shoe clearance adjuster 1 is completed (steps S7 and S8).

As a method for manufacturing a shoe clearance adjuster, which is constructed by sticking the double-sided tape 11 on the back surface of the shoe clearance adjustment pad 5 that does not include the skin member 3,
The steps S5 and S6 of the above manufacturing process will be omitted.

The present invention is not limited to the above-described embodiment, but can be implemented in other modes by making appropriate changes.

[0048]

As can be understood from the above description of the embodiment of the invention, according to the invention of claim 1, the shoe is positioned at a position corresponding to the shape of the gap between the user's shoe and the arch portion of the foot. Since the space adjustment pad can be applied, the load applied to the sole of the foot can be distributed over the sole of the foot. Therefore, it is possible to reduce troubles of the sole due to keratinization of beans, octopus, fish eyes and the like, deformation of skeletons such as open legs and hallux valgus, and concentration of impact due to load such as heel pain and trampling pain.

According to the invention of claim 2, the shoe gap adjusting pad can be easily attached to the shoe by the attaching portion.

According to the third aspect of the present invention, since the front and rear skin members are integrally provided on the front surface side of the shoe clearance adjusting pad, the shoe can be stably attached to the shoe.

According to the invention of claim 4, since the sticking portion is provided on the back surface of the shoe gap adjusting pad and the skin member, it can be stuck to the shoe in a more stable state.

According to the fifth aspect of the present invention, the shoe clearance adjustment pad is positioned by aligning it with the arch of the user's foot, and then the release paper is peeled off. Can be properly and easily attached to a position that fits in.

According to the sixth aspect of the invention, since the shoe clearance adjusting pad is an elastic member having a hardness of 40 to 60 degrees, it is possible to obtain a comfortable wearing feeling and combined use due to the optimum elastic hardness. In addition, fatigue can be alleviated by stable walking with moderate grip.

According to the invention of claim 7, since the shoe gap adjusting pad is made of a transparent elastic member, it can be applied to any shoe color.

According to the invention of claim 8, the shoe clearance adjuster can be easily and mass-produced, so that the cost can be reduced. Further, the shoe clearance adjuster manufactured as described above is defined by claim 1.
Similar to the description, the troubles of the sole can be reduced.

According to the ninth aspect of the invention, the shoe clearance adjuster can be mass-produced easily and the cost can be reduced. Further, the shoe clearance adjuster manufactured as described above is defined by claim 1.
Similar to the description, the troubles of the sole can be reduced. Moreover, since it has the skin member, it can be stably attached to the shoe.

[Brief description of drawings]

FIG. 1 is a perspective view showing a configuration of a shoe clearance adjuster according to an embodiment of the present invention.

FIG. 2 is a plan view of the shoe clearance adjuster according to the embodiment of the present invention as viewed from the back side.

3 is a sectional view taken along line III-III in FIG.

4 is a sectional view taken along the line IV-IV in FIG.

FIG. 5 is a process drawing of the method for manufacturing the shoe clearance adjuster according to the embodiment of the present invention.

[Explanation of symbols]

1 Gap adjuster for shoes 3 skin material 5 Shoe gap adjustment pad (elastic member) 7 shoes 9 insole 11 Double-sided tape (sticking part) 13 Release paper

Claims (9)

[Claims] 1. A shoe clearance adjustment pad having a shape substantially corresponding to the shape of the clearance between the shoe and the arch portion of the foot, wherein the center portion is thick in the front-rear direction of the shoe and the front end side and the rear end side are thin. The gap adjusting tool for shoes, characterized in that 2. The shoe clearance adjuster according to claim 1, further comprising a sticking portion on a back surface of the shoe clearance adjusting pad for sticking to the shoe. 3. The shoe clearance adjuster according to claim 1 or 2, wherein a front and rear skin member is integrally attached to the front surface side of the shoe clearance adjustment pad. 4. The shoe gap adjusting tool according to claim 3, wherein the attaching portion is attached to a part or the whole of the back surfaces of the shoe gap adjusting pad and the skin member. 5. The release paper is attached to the attaching part so that it can be attached to the shoe later.
The clearance adjuster for shoes according to any one of the above. 6. The shoe gap adjusting pad has a hardness of 40 to 40.
2. The elastic member of 60 degrees is formed.
The shoe clearance adjuster according to any one of 5 to 5. 7. The shoe clearance adjusting device according to claim 1, wherein the shoe clearance adjusting pad is made of a transparent elastic member. 8. A shoe clearance adjusting pad having a shape substantially corresponding to the shape of the clearance between the shoe and the arch of the foot, wherein the center portion is thick in the front-rear direction of the shoe and the front end side and the rear end side are thin. When manufacturing a shoe clearance adjuster having a sticking portion for sticking to the shoe on the back surface of the shoe, the elasticity before vulcanization is set in a mold having the shape of the shoe clearance adjusting pad described above. After injecting the molding material for the elastic member, the molding material in the mold is heated and vulcanized to form the shoe gap adjustment pad, and the above-mentioned pasting is performed on the back surface of the formed shoe gap adjustment pad. A method for manufacturing a clearance adjuster for shoes, which comprises attaching a wearing part. 9. A shoe clearance adjusting pad having a shape substantially corresponding to the shape of the clearance between the shoe and the arch of the foot, and having a thick center portion in the front-rear direction of the shoe and thin front and rear end sides. A shoe integrally provided with a skin member extending in the front-rear direction on the front surface side of the shoe, and having a sticking portion for sticking to the shoe on a part or the whole of the back surface of the shoe gap adjusting pad and the skin member. When manufacturing the gap adjusting tool for shoes, after the molding material of the elastic member before vulcanization is allowed to flow into the mold having the shape of the above-mentioned shoe gap adjusting pad, the molding material in this mold Is heated and vulcanized to form the shoe gap adjusting pad, and the surface member of the formed shoe gap adjusting pad is adhered to and integrated with the surface part of the shoe gap adjusting pad. The above-mentioned adhesive part may be attached to part or all of the back surface of the Method of manufacturing a shoe clearance adjustment device according to claim.