JPH11276201A - Inner boot - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent sweat remaining on parts of a foot and a leg to obtain wearing taste without humid feeling by preparing a trunk part by non-water- absorptive woven fabric or net cloth and laminating a porous little-water- absorptive sheet and a knit fabric woven by synthetic fiber with low hygroscopicity in a network. SOLUTION: This inner boot is constituted of a trunk part 2 and a sole part 3. The sole part 3 comprises an upper layer 3A and a lower layer 3B and non-water-absorptive woven cloth or net cloth is used for the trunk part 2 which does not absorb sweat perspired from a leg. The upper layer 3A of the sole part 3 is made by laminating plural porous sheets with low water absorptivity or fabric woven with synthetic fiber into a network. It also almost does not absorb sweat perspired from a foot. Since the lower layer 3B of the sole part 3 is non-water-absorptive and the upper face thereof is constituted equipping a number of dent parts 3B1 on the upper face, sweat liquefied in the saturation condition is collected in the dent parts 3B1. Consequently the foot and the leg are surrounded by air in the inner boots to demonstrate moistureproof and cold protecting effect with warm feeling without humid feeling.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner boot having a novel structure. In particular, it is suitable for the following points. 1. It has moisture-proof performance and cold-proof performance and can be worn over summer and winter. 2. It can be effectively used in wetlands in the south and cold regions in the north. 3. The size and shape are free, and it is possible to commercialize all types of footwear, from boots to underwater work boots.

[0002]

2. Description of the Related Art Conventionally provided inner boots are:
It has the following configuration. 1. Regarding performance Many of them focus on improving the heat insulation performance or the fitting performance. 2. Regarding materials: Nonwoven fabric, bore and soft urethane foam bonded to woven fabric, or soft urethane foam bonded to knitted fabric. 3. Structure The body and bottom are sewn together and integrated. The bottom is made of a material that is harder than the body (for example, a non-woven fabric that is hardened by compression) to improve the return of feet when walking. It is easy to walk and prevents deformation. In addition, the same material is used for both the trunk and bottom, cut into the same shape on the left and right, and the middle is sewn.

[0003]

The above-mentioned prior art has the following problems. 1. Sweats are constantly flowing from the feet, and the amount of sweating is further increased by walking or exercising. Sweat is absorbed first by the underwear, inner boots, and then by the hygroscopic material in the parts and materials that make up the footwear, but liquefies when the humidity in the footwear rises and becomes saturated, and the underwear, inner boots and Water is absorbed by the components and materials that make up footwear. 2. As a result, the feet become tired and unsanitary, and discomfort increases. Also, in cold regions, sweat in the footwear quickly liquefies, and the parts and materials constituting the shoe, inner boots and footwear dissipate body temperature to the outside through water having good heat conductivity. As a result, the body temperature drops and the feet cool. Furthermore, as time elapses, the vehicle may not be able to withstand the cold, but this is often the case when working or wearing sports for a long time. 3. Next, when the bottom is made of a nonwoven fabric, a bore, or a material obtained by laminating a woven fabric with soft urethane foam, these materials are gradually compressed and thinned by the weight of the wearer, and the sole of the foot and the inside of the footwear are formed. The air gap between the floor and the bottom is reduced, the insulation effect is reduced, and the feet cool.

[0004] The present invention has been made in view of such problems of the prior art, and has as its object to provide the following. 1. The inner boot according to the present invention is composed of a trunk 2 and a bottom 3, the bottom 3 is composed of an upper layer 3 </ b> A and a lower layer 3 </ b> B, and the trunk 2 is made of non-absorbent woven cloth or mesh cloth, Does not absorb. The upper layer 3A of the bottom 3 is formed by laminating several layers of a porous sheet having low water absorbency or a knitted fabric made of synthetic fibers knitted in a net-like form with low hygroscopicity, and also hardly absorbs sweat from the feet. 2. Since the lower layer 3B of the bottom 3 is non-water-absorbing and the upper surface is provided with a large number of concave portions 3B1, the saturated liquid liquefied is collected in the concave portions 3B1. 3. Therefore, the present invention, as a means to obtain a moisture-proof and cold-proof effect,
The surroundings of the feet are covered with air, and a warm inner boot without stuffiness can be provided.

[0005]

Means for Solving the Problems In order to achieve the above object, the present invention is as follows. That is,
In the present invention, the body 2 and the bottom 3 are made of different materials, respectively, the body 2 is made of a non-absorbent woven fabric or mesh cloth, and the bottom 3 is made up of an upper layer 3A and a lower layer 3B. ,
The upper layer 3A is made of a porous sheet with low water absorption, and the lower layer 3B is made of rubber, synthetic rubber or elastic synthetic resin. A large number of independent concave portions 3B1 surrounded by partition walls are arranged on the entire upper surface of the lower layer 3B. It is an inner boot provided.

In this case, the following configuration can be adopted. The upper layer 3A is formed by laminating several layers of knitted fabric made of synthetic fibers made of a low hygroscopic yarn in a net shape.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below based on embodiments with reference to the drawings. Reference numeral 1 denotes an inner boot according to the present invention, which comprises a trunk 2 and a bottom 3.
The body 2 and the bottom 3 are made of different materials, respectively.
The body 2 is made of non-absorbent woven cloth or mesh cloth, and the bottom 3
Is composed of an upper layer 3A and a lower layer 3B. The upper layer 3A is composed of a porous sheet having low water absorption, the lower layer 3B is composed of rubber, synthetic rubber or elastic synthetic resin.
Are provided in a state where a large number of independent concave portions 3B1 are arranged surrounded by partition walls. In this case, the upper layer 3A can be constituted by laminating several layers of knitted fabric in which yarns of synthetic fiber and low hygroscopicity are knitted in a net shape.

[0008]

EXAMPLES Under the following conditions, very good results were obtained. 1. The material of the body 2 is a non-absorbent synthetic fiber of 2 m.
/ M to 5m / m knitted or woven, used for inner boots, inner foot side 2A for footwear
And it cuts so that a shape may match with the outer foot side part 2B. In this case, the bottom of the body is excluded, but the portion in contact with the bottom is adjusted to the shape and size of the bottom. Next, the front and rear back portions of the inner foot side portion 2A and the outer foot side portion 2B are sewn by an overlock sewing machine. The purpose of suturing with an overlock sewing machine is to make it easier to wear by eliminating steps in the sewn part, to eliminate discomfort after wearing, to prevent the sewn part from becoming convex, and to prevent shoe slippage, etc. Thus, the inner trunk portion 2 is formed. 2. The bottom 3 has a two-layer structure of an upper layer 3A and a lower layer 3B. As a material of the upper layer 3A, a porous sheet having a small water absorption or a single fiber of synthetic fibers having a diameter of 0.1 m / m to 1 m / m is used at 2 m / m. A knitted mesh having a size of m to 5 m / m is used, and several layers of this knitted fabric are laminated to form a porous sheet. Next, as a material of the lower layer 3B, non-water-absorbing rubber, synthetic rubber or elastic synthetic resin is used, and a large number of independent concave portions 3B1 surrounded by partition walls are formed on the upper surface thereof. The recess 3B1 may be, for example, a circular depression having a depth of about 2 m / m and a diameter of about 2 m / m to 5 m / m, or a rectangular depression having a depth of about 2 m / m, a width of 2 m / m, and a length of about 20 m / m. May be. The concave portion 3B1 is 2 m / m to 5
They are arranged on the upper surface of the lower layer 3B at intervals of m / m.

3. The material of the upper layer 3A and the material of the lower layer 3B are cut by the bottom cutting die of the inner boot, respectively.
A, the lower layer 3B is overlapped so as not to be displaced, and the center connecting the toe portion and the heel portion is sewn with a flat sewing machine from the toe portion to the heel portion, and fixed so as not to be displaced or deformed during walking. 4. Further, the lower side of the body 2 and the periphery of the bottom 3 are sewn with a treasure sewing machine to obtain the original shape of the inner boot. At this time, using a treasure sewing machine for suturing
This is for fixing the portion in contact with the bottom portion 3 of the torso 2 upright around the flat bottom portion 3 so that the inner boot and the toe portion of the inside of the footwear are well fitted to the inner boot.
In addition, the thread used for suturing is all non-water-absorbing. 5. The inner boot after the suturing is put on a known mold formed such that the inner boot is anastomosed into the inside of the footwear, and is pulled to flatten the convex portion of the sewing margin of the sewn portion,
The shape is stabilized by heating at 60 ° C. to 140 ° C. for 20 to 60 minutes to obtain the shape of the inner boot anastomosed inside the footwear. 6. The mold is extracted from the inner boot to obtain the inner boot of the present invention.

[0010]

Since the present invention is configured as described above, the following effects can be obtained. 1. The body 2 is made of a non-water-absorbing woven fabric or mesh cloth, and the upper layer 3A of the bottom 3 is made of a porous sheet with little water absorption or a knitted fabric made of synthetic fibers made of a net-like yarn with low hygroscopicity. Since a layered product is used, sweat does not accumulate in this area. Therefore, an air chamber that does not contain sweat water is formed, refreshing comfort can be obtained without stuffiness, and the heat insulating effect of the air chamber works effectively. 2. Even if the upper layer 3A of the bottom 3 is compressed by weight, it is formed in a bridge shape on the upper surface of the recess 3B1 of the lower layer 3B of the bottom 3,
The air layer as the bottom 3 is not lost, and a comfortable feeling with less stuffiness can be obtained. 3. The lower layer 3B of the bottom 3 is in contact with the medial bottom surface of the footwear, and the outside temperature transmitted from the tread of the footwear (generally, the outside temperature is lower than the inside temperature of the footwear. ) Causes a temperature difference, and the sweat coming out of the foot contacts the lower layer 3B via the upper layer 3A and becomes saturated, and is 0.5 m /
Water droplets of m to 2 m / m accumulate in the recesses 3B1 of the lower layer 3B. As a result, the water droplets accumulated in the concave portion 3B1 are independent of each other since the concave portion 3B1 is surrounded by the partition wall.
It does not move from 1 to another recess 3B1. 4. Even if the moisture inside the footwear liquefies and accumulates in the recess 3B1,
Since the surroundings of the feet are covered with air, the heat insulating effect is maintained and a decrease in body temperature can be prevented. 5. The water droplets that have accumulated in the concave portion 3B1 of the lower layer 3B are vaporized at normal temperature (about 20 ° C.) after removing the footwear, and are dry when worn the next day. In cold regions, if the inner boots are removed from the footwear and heated by heating, the boots will be in a dry state, and can be changed and used in a short time. The effect is great if several pairs of inner boots are prepared and worn and dried alternately and repeatedly used.

[Brief description of the drawings]

FIG. 1 is a side view of an inner boot according to the present invention.

FIG. 2 is a sectional view taken along line AA.

FIG. 3 is an enlarged cross-sectional view of a suturing portion of a front shell and a rear back.

FIG. 4 is an enlarged cross-sectional view of a suturing portion of a trunk and a bottom.

FIG. 5 is a perspective view in which a part of a lower layer at a bottom is broken.

FIG. 6 is a perspective view of another embodiment in which a part of the lower layer at the bottom is broken.

[Explanation of symbols]

 Reference Signs List 1 inner boot 2 trunk 3 bottom 3A upper layer 3B lower layer 3B1 recess

Claims (2)

[Claims] The body (2) and the bottom (3) are made of different materials, respectively, the body (2) is made of non-absorbent woven fabric or mesh cloth, and the bottom (3) is made of an upper layer. (3A) and a lower layer (3B), the upper layer (3A) is made of a porous sheet having low water absorption, and the lower layer (3B) is made of rubber, synthetic rubber or elastic synthetic resin. An inner boot characterized in that a number of independent recesses (3B1) are arranged and provided on the entire surface and surrounded by partition walls. 2. The inner boot according to claim 1, wherein the upper layer (3A) is formed by laminating several layers of knitted fabric made of synthetic fiber and knitted in a net-like form with low hygroscopicity.