JP2002153301A - Waterproof shoe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waterproof shoe exhibiting improved waterproofing function with a simple structure in production of a conventional cemented shoe. SOLUTION: In this cemented waterproof shoe, a reverse cloth 12 to which a waterproof layer 11 is laminated is put on a reverse surface of a front vamp 10 of a vamp 1, and a sole 5 is adhered on the vamp 1. A cementing margin 121 protruding from a lower peripheral part of the front vamp 10 is formed on a lower peripheral edge of the reverse cloth 12. A waterproof sheet 3 is adhered to the waterproof layer 11 of the cementing margin 121 and a bottom surface of the vamp 1 is sealed. Further, a mesh member attached on the lower peripheral edge part of the front vamp 10 is laminated on the waterproof layer 11 of the cementing margin 121 to intervene and the waterproof sheet 3 is adhered to seal the bottom surface of the vamp 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof shoe with improved waterproof performance.

[0002]

2. Description of the Related Art Conventionally, as shoes for preventing water from entering into shoes,
Japanese Patent Application Laid-Open No. 63-117702 discloses a waterproof structure in which a waterproof layer made of a gas-permeable and water-tight material is provided at a joint between an upper member, a middle bottom material, and a bottom portion where a middle material is joined. A shoe having a layer is disclosed.

Further, as a waterproof shoe, a bag-like backing cloth is formed by stitching with a waterproof material such as Gore-Tex (registered trademark), and the backing cloth whose seam is sealed with hot melt tape and the upper cover are joined to the upper peripheral portion. There has also been proposed a shoe in which a shell is formed by suturing the shoe, the shoe is hung on the last, and a shoe sole is adhered to the shoe by usual use.

However, Japanese Patent Application Laid-Open No. 63-117702 discloses
In the issue, there is a problem that water enters the shoe through the rake seam from the gap between the fine leather and the upper material, and from the gap between the shoe sole and the edge of the upper material. Performance was not perfect. In particular, regarding the bonding between the bottom of the cover and the sole of the shoe, in the conventional bonding processing, the lower edge of the outer cover and the lower cloth constituting the cover are suspended so as to be aligned with each other. The swelling at the heel and the gap between the upper material and the sole of the shoe due to unevenness of application of adhesive glue, etc. Met.

[0005] Further, in the latter waterproof shoes, when preparing a bag-like backing cloth, it is necessary to sew or hot-melt a hot-melt tape to the sewn portion, and preparation of the backing cloth is complicated. Moreover, when this is hung on the last together with the top cover, the backing fabric does not conform to the last, the surface is apt to wrinkle, the complicated process and many man-hours are required, and the manufacturing cost is also difficult. There is.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to eliminate these drawbacks and to provide a waterproof shoe having a simple structure and improved waterproof function in the production of conventional cemented shoes. .

[0007]

Means for Solving the Problems The invention of claim 1 is:
In a cemented waterproof shoe in which a shoe sole 5 is adhered to a shell 1 in which a backing cloth 12 provided with a waterproof layer 11 is superimposed on a back surface of an upper shell 10, a lower peripheral portion of the backing cloth 12 is covered with the upper shell 10. To protrude from the lower peripheral edge to form a hanging edge 121,
The waterproof shoe according to the first aspect of the present invention is characterized in that the waterproof sheet 3 is adhered to the waterproof layer 11 of the hanging edge 121 to seal the lower surface of the cover 1. Also,
According to the second aspect of the present invention, the waterproof sheet 3 is provided by interposing a mesh member m on the waterproof layer 11 of the hanging edge 121 of the back cloth 12 of the first aspect of the present invention and further on the lower peripheral edge of the upper cover 10. The gist is that the lower surface of the shell 1 is sealed by bonding.

In the present invention, the shell 1 is made of a urethane-based or fluorine-based resin film, or an entrant (registered trademark), Gore-Tech, on the back surface of an air-permeable upper shell 10 such as a knitted cloth or a woven cloth or a leather. A waterproof layer 11 in which a protective cloth such as an elastic knitted cloth is bonded to a waterproof and moisture permeable material such as woven fabric (registered trademark) and Microtex (registered trademark).
A back cloth 12 in which woven cloth, non-woven cloth, leather or the like is singly or compositely laminated, the lower peripheral part of which is 3 to
It is formed by protruding 10 mm width, overlapping, and sewing the upper edge of the cap. The backing cloth 12 is formed by sewing a heel or the like, if necessary, and forming a waterproof tape such as a hot melt tape or a waterproof adhesive layer formed by bonding a waterproof adhesive to the sewn portion.

The width of the hanging edge 121 of the back cloth 12 is 3 mm.
If it is less than the above, the bonding area with the waterproof sheet 3 becomes small due to the problem of hanging on the last, so that the adhesion becomes insufficient, and if it is 10 mm or more, the hanging width of the backing cloth 12 becomes wide and the hanging Work becomes difficult, and the yield of the backing becomes poor, resulting in high manufacturing costs.

In the present invention, the insole 2 is formed of rubber, synthetic resin, non-woven fabric, woven fabric, knitted fabric, pulp board, leather board, fiber board, or a laminate or a splice of two or more of these. I have.

In the present invention, the waterproof sheet 3 is only required to have a waterproof property. Examples of the material include a non-woven fabric, a cotton fabric, a woven fabric, etc. coated with a hot-melt adhesive on one side, and a polyurethane-based material. A material obtained by coating a fabric with a thermoplastic resin film such as a vinyl chloride-based material, or vinyl chloride, synthetic leather, a rubber sheet, or the like can be used. The waterproof sheet 3 may have a shape that covers the entire lower surface of the shell 1, or may have a shape that covers a part of the bottom surface such as a toe portion or a heel portion where a hook can be hung.

The mesh member m has a shape substantially the same size as the hanging edge 121 of the backing cloth 12, and is attached by sewing its upper edge to the upper shell 10 and its lower edge to the backing cloth 12. Can be The mesh member m can be made of metal, synthetic resin, or the like as a material, and the size (gap) of the mesh is large enough to receive the adhesive, and is preferably about 1 to 2 mm.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view of a stepping portion of a waterproof shoe according to the present invention. FIG. 2 is a perspective view showing the suspension part before the waterproof sheet is bonded to the bottom of the suspension. FIG. 3 relates to a waterproof shoe according to the second aspect of the present invention, in which a waterproof cover is attached to the bottom of a cover in which a mesh member is attached to the lower peripheral portion of the cover, and the waterproof sheet is attached to the bottom of the cover. It is a perspective view which shows a cap suspension part. 1, 2 and 3, 1 is a shell, 2 is an insole, 3 is a waterproof sheet, 4 is last, 5 is a shoe sole, and m is a mesh member.

The shell 1 of the present invention comprises a top shell 10 and a back cloth 12.
Polyester fibers may be used for the upper shell 10, and if necessary, a cotton cloth may be partially adhered to the back surface of the upper shell 10 with an adhesive to reinforce. The backing cloth 12 is made of a waterproof layer 11 made of Gore-Tex having an elastic knitted fabric attached to one surface, and a nonwoven fabric laminated on the surface opposite to the elastic knitted fabric. It is made of a shape with a width of about 5 mm.

The back cover 1 has a back cloth 12 overlaid on the back surface of the top cover 10 via a waterproof layer (Goretex) 11, and the lower peripheral edge of the back cloth 12 is about 5 mm from the lower peripheral edge of the upper cover. It is formed by sewing the upper edge portion of the slip-on mouth and the like in a state where it protrudes. The upper shell 1 is an embodiment of the present invention.
A mesh member m covering the protruding portion may be sewn and attached to the lower peripheral edge of the zero.

In the waterproof shoe 6 according to the present invention, the midsole 2 is placed on the bottom surface of the last 4, the back shell 1 is put on the last 4, and the top shell 10 and the back cloth 12 are suspended at the same time. Hanging edge 1
21 are formed, and the lower peripheral edge of the shell 1 is adhered to the midsole 2 with adhesive. If the shell 1 is prepared by applying adhesive glue to the lower peripheral portion of the shell in advance, the valleys of the hanged stakes can also be bonded and gaps can be eliminated. Next, adhesive is applied to the entire surface of the hanging edge 121 of the back cloth 12 and the insole 2 of the back cover 1, and the waterproof sheet 3 is attached to the waterproof layer 1 of the hanging edge 121.
1 to seal the entire surface of the bottom of the shell. After that, the heel counter and the like are formed by a heat setter, and an adhesive is applied to the bottom surface of the upper 1 and the shoe sole 5 is press-fitted to the bottom. Then, the last 4 is removed, and the waterproof shoe 6 is manufactured.

In the waterproof shoe 6 of the present invention, in the case of using the shell 1 provided with the mesh member m on the upper shell 10 as the second embodiment, after the upper 1 is hung on the last 4, The adhesive glue applied to the bottom surface of the shell is filled in the gaps of the mesh and is introduced through the mesh to the backing cloth, so that the adhesive glue can be evenly attached to the mesh. Since it is firmly adhered in a state of being overlapped with the waterproof layer 11 of the hanging edge 121 via m, inundation can be reliably prevented.

In the waterproof shoe 6 of the present invention, the hanging hang of the cover 1 is formed at a position shifted by the difference in the length of the lower peripheral edge between the back cloth 12 and the top cover 10 so that the swelling of the cover can be made stepwise. Since the gap between the upper 1 and the shoe sole 5 can be eliminated and can be adhered in a close contact state, the effect of preventing water intrusion can be achieved. And the waterproof shoes 6 of the embodiment of the present invention.
Since the back cover 1 is formed in a bag shape from a waterproof material by joining the back cloth 12 provided with the waterproof layer 11 and the waterproof sheet 3 covering the entire bottom surface of the cover, the lower surface of the cover is completely sealed. can do. The waterproof shoe 6 may have an inner material embedded in the gap between the sole and the insole as needed.

In the waterproof shoe 6 of the present invention, colored water is put in the shoe, the shoe is set vertically with the shoe sole facing outward, and is rotated at a high speed in the horizontal direction for 15 minutes. A water seepage test was performed, but no water seepage was observed.

[0020]

In the waterproof shoe 6 according to the first aspect of the present invention, the lower peripheral edge of the backing cloth 12 constituting the upper cover 1 is protruded from the lower peripheral edge of the upper cover 10 to form the hanging edge 121. Since the waterproof sheet 3 can be directly abutted on the waterproof layer 11 of the hanging edge 121 and adhered to the waterproof layer 11, the water can be prevented from entering the shoe. The invention according to claim 2 is characterized in that the waterproof shoe 6 according to the invention according to claim 1 is further provided with a mesh member m for covering the hanging edge 121 of the backing cloth 12 on the lower peripheral edge of the outer cover 10. The adhesive applied to the bottom surface of the cover 1 is filled in the gaps between the meshes and is introduced through the mesh to the backing cloth side, so that the waterproof sheet 3 is firmly secured by the waterproof layer 11 of the hanging edge 121 via the mesh member m. Since it is adhered, the lower surface of the upper 1 can be completely sealed from the outside of the shoe, and a waterproof shoe having a simpler structure and excellent waterproof performance can be provided. Further, in the waterproof shoe 6 of the present invention, by setting the width of the hanging edge 121 of the backing cloth 12 to 3 to 10 mm, a joint area between the waterproof layer 11 of the backing cloth 12 and the waterproof sheet 3 can be secured. Has a more reliable waterproofing effect.

[Brief description of the drawings]

FIG. 1 is a cross section of a stepping portion of a waterproof shoe according to the first aspect of the present invention.

FIG. 2 is a perspective view showing a suspension hanging portion before a waterproof sheet is bonded to a bottom of the suspension.

FIG. 3 is a perspective view of the waterproof shoe according to the second aspect of the present invention, in which a cover having a mesh member attached to a lower peripheral portion of the upper cover is suspended, and a waterproof sheet is not adhered to the bottom of the cover. It is a perspective view which shows a hanging part.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Shell 10 Shell 11 Waterproof layer 12 Cloth 121 Hanging edge 2 Middle sole 3 Waterproof sheet 4 Last 5 Sole 6 Waterproof shoes m Mesh member

Claims (3)

[Claims] 1. A cemented waterproof shoe in which a sole 5 is adhered to a shell 1 in which a waterproof cloth 11 is provided on a back surface of a shell 10 and a waterproof cloth 11 is superimposed. Is protruded from the lower peripheral edge of the upper shell 10 and the hanging edge 1
A waterproof shoe, wherein a waterproof sheet 3 is adhered to a waterproof layer 11 of a hanging edge 121 to seal a lower surface of a shell 1. 2. In a cemented waterproof shoe in which a sole 5 is adhered to a top 1 in which a back cloth 12 provided with a waterproof layer 11 is superimposed on a back surface of a top cover 10, a lower peripheral portion of the back cloth 12 is provided. Is protruded from the lower peripheral edge of the upper shell 10 and the hanging edge 1
21, a mesh member m attached to the lower peripheral edge of the upper shell 10 is layered on the hanging edge 121, and the mesh member m is interposed in the waterproof layer 11 of the hanging edge 121 to form the waterproof sheet 3. A waterproof shoe, characterized in that the lower surface of the upper 1 is sealed by bonding the lower surface. 3. The width of the hanging edge 121 of the back cloth 12 is 3 to 3.
3. The waterproof shoe according to claim 1, wherein the waterproof shoe is 10 mm.