JP2003052411A - Waterproof shoe and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a manufacturing method of a waterproof shoe in which production efficiency is improved by simplifying joining of a waterproof liner sleeve and an upper. SOLUTION: The method is provided with a process for producing the upper having an upper opening and a lower opening, a process for producing the waterproof liner sleeve having an upper opening and a lower opening and arranged along the inner surface of the upper, a process for positioning the edge of the lower opening of the waterproof liner sleeve at a position close to the lower opening of the upper and deeper than the lower opening and joining the neighborhood of the lower opening of the upper and the neighborhood of the lower opening of the waterproof liner sleeve only with an adhesive, and a process for fitting a sole to the edge of the lower opening of the upper.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoe and a manufacturing method thereof, and more particularly to a waterproof shoe having a waterproof liner sleeve and a manufacturing method thereof.

[0002]

2. Description of the Related Art The lining of a waterproof shoe, which is lined with a sock-shaped lining formed of a breathable waterproof sheet, has an upper opening and a lower opening, and the upper opening is joined to the upper opening of the upper. A sole region is formed by providing an outsole and an insole along the lower opening of the lining.

However, the lining has a problem that it is easily damaged and loses its waterproofness when it is subjected to pressure from the foot or mechanical pressure during walking. Therefore, the following invention is proposed to solve the problem. It had been.

For example, in the shoe disclosed in US Pat. No. 5,526,584, a sock-like shoe insert that is breathable and waterproof is made of a stretchable material, and the shoe insert and the sole region are sewn together. Is configured.

However, since the liner sleeve and the upper are joined by stitching, there is a problem that the joining work is troublesome.

Further, the shoe disclosed in US Pat. No. 5,678,326 has a shoe insert formed of a breathable waterproof sheet with a lining arranged on the back surface of the lower part of the upper and the inner peripheral side of the shoe insert. A sandwich structure is formed by adhering to the above with an adhesive. That is, the sole region portion of the shoe insert is fixed between the insole and the outsole and is also fixed to the lining, so that the shoe has a strong structure.

However, when manufacturing such a shoe, there is a drawback in that the manufacturing process is complicated because it is necessary to dispose the shoe insert in the fixing step of the sole.

Also, US patent application Ser. No. 09/591201
The publication discloses a shoe with a drainage hole through which water that has penetrated inside can be discharged. This shoe includes an upper that covers the upper of the foot and has an upper opening and a lower opening, and a liner sleeve that covers the upper of the foot and has an upper opening and a lower opening, and the liner is provided at a lower opening edge of the upper. The lower opening edge of the sleeve is sewn together, and the seam between the liner sleeve and the upper is covered with a waterproof seal. This prevents water that has entered along the seam between the liner sleeve and the upper from reaching the interior of the shoe due to the presence of the waterproof seal.

However, since the liner sleeve and the upper are joined by stitching, there is a problem that the joining work is troublesome, a skilled worker is required for joining, and the production cost becomes high.

[0010]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and the first object of the present invention is to:
It is an object of the present invention to provide a waterproof shoe in which the waterproof liner sleeve and the upper can be easily joined to enhance the production efficiency, and a method for manufacturing the waterproof shoe.

A second object of the present invention is to provide a waterproof shoe which is capable of easily imparting waterproof performance to a joint portion of a waterproof liner sleeve and an upper portion, and is excellent in waterproofness of the joint portion, and a manufacturing method thereof. To provide.

[0012]

In order to achieve the above object, the present invention provides a step of manufacturing an upper that covers the surface of the instep and has an upper opening and a lower opening, and an upper opening and a lower opening. A step of manufacturing a waterproof liner sleeve having an opening and arranged along an inner circumference of the upper, and an edge portion of the lower opening of the waterproof liner sleeve is located near the lower opening of the upper and the upper The bottom opening of the upper and the lower opening of the upper and the lower opening of the waterproof liner sleeve are joined only by an adhesive, and the sole is attached to the edge of the lower opening of the upper. There is provided a method for producing a waterproof shoe, which is characterized by including a method for producing a waterproof shoe.

According to the method of manufacturing a waterproof shoe of the present invention, the edge portion of the lower opening of the waterproof liner sleeve is located near the lower opening of the upper and deeper than the lower opening of the upper, Since the vicinity of the lower opening of the upper and the vicinity of the lower opening of the waterproof liner sleeve can be joined by a simple bonding method using an adhesive without stitching, the step of joining the upper and the waterproof liner sleeve can be simplified.

In this waterproof shoe manufacturing method, a step of attaching a waterproof tape from the inner peripheral surface of the waterproof liner sleeve to the inner peripheral surface of the upper so as to cover the edge of the lower opening of the waterproof liner sleeve. The waterproof tape may be further provided, and the waterproof tape may be extended to the edge of the lower opening of the upper. Accordingly, water that enters between the upper and the liner sleeve is blocked by the waterproof tape, and it is possible to prevent water from seeping into the inside of the shoe from the joint between the waterproof liner sleeve and the upper.

The method may further include the step of joining the upper opening edge of the waterproof liner sleeve to the upper opening edge of the upper.

Furthermore, the waterproof liner sleeve may be formed of a breathable waterproof sheet. As a result, not only waterproofness but also breathability inside the shoe can be secured.

On the other hand, according to the present invention, an upper having an upper opening and a lower opening, a waterproof liner sleeve having an upper opening and a lower opening and arranged along an inner surface of the upper, and a lower portion of the upper. A sole attached to the edge of the opening, the edge of the lower opening of the waterproof liner sleeve is located in the vicinity of the lower opening of the upper and deeper than the lower opening, and in the vicinity of the lower opening of the upper. Provided is a waterproof shoe, characterized in that the lower opening of the waterproof liner sleeve and the vicinity of the lower opening thereof are joined only by an adhesive. According to this structure, the waterproof shoe can be manufactured easily with a simple structure.

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the embodiments with reference to the drawings.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION A waterproof shoe manufactured by the method for manufacturing a waterproof shoe according to the present invention shown in FIGS. 1 and 2 includes an upper 1 and a liner sleeve 2. Upper 1
Covers the surface of the instep, and the upper opening 11 and the lower opening 12
Which is constructed by joining the toe leather 13 and the counter leather 14 to the waist leather 15 and sewing them together, and the seam 101 between the toe leather 13 and the waist leather 15 is between the counter leather 14 and the waist leather 15. A seam 102 is formed on each of the two. It should be noted that although the figures show only waterproof shoes for the left foot, the right foot and left foot shoes are left-right symmetric, and therefore the description of the left foot shoes will be omitted.

The liner sleeve 2 covers the surface of the instep and has an upper opening 20 and a lower opening 21.
It is made of a breathable waterproof sheet. The liner sleeve 2 is arranged along the inner surface of the upper 1, and the upper opening 20 of the liner sleeve 2 is sewn on the upper portion of the upper 1 to form a seam 16.

Further, as shown in FIG. 2, the edge of the lower opening 21 of the waterproof liner sleeve 2 has a lower opening 12 of the upper 1.
Of the waterproof liner sleeve and the vicinity of the lower opening 21 including the edge of the lower opening 21 are joined to each other only by an adhesive, and are located at a position deeper than the edge of the lower opening 21 of the upper 1. ing. In this way, the liner sleeve 2 is attached to the upper 1 on the inner surface side.

The lower opening 21 of the liner sleeve 2 is preferably adhered to the lower opening 12 of the upper 1 by applying an adhesive to the inner surface of the upper 1 and / or the outer surface of the lower opening 21 of the liner sleeve 2. . Further, the adhesive has a waterproof property, and by applying it without water leakage, a joint portion 9 having a waterproof function is formed between the lower opening 21 of the liner sleeve 2 and the upper 1.

The edge of the upper opening 20 of the liner sleeve 2 may be extended to the edge of the upper opening 11 of the upper 1 and sewn to the edge of the upper opening 11.

The liner sleeve 2 has an upper opening 2
Only 0 and the lower opening 21 are joined to the upper 1, and other portions are only in contact with the inner peripheral surface of the upper 1. Although the liner sleeve 2 shown in the figure is a waterproof sheet and has a seamless structure, it may have a multi-piece structure in which a plurality of waterproof sheets are sewn together and the seams are sealed by a waterproof sealing process. The waterproof sheet may be a non-breathable one, and the waterproof sheet may be formed of the same material or a different breathable material.

Then, the liner sleeve 2 is attached to the upper 1
After mounting therein, the lower opening 12 of the upper 1 is formed by conventional shoe mold molding and the insole 4 is overlaid by conventional means. Filling material 7 is provided in the lower opening 12 of the upper 1.
And the waterproof cover 8 is covered under the filling material 7 by conventional means. In a conventional inner liner 6 having an upper opening and a lower opening, the upper opening of the inner liner 6 of the inner liner 6 is sewn to the upper opening 11 of the upper 1, and the shoe sole portion of the inner liner 6 is placed on the insole 4 above. By being overlapped,
It is optionally set on the liner sleeve 2.

Finally, the outsole 5 is bonded to the lower opening 12 of the upper 1.

As shown in FIG. 3, in order to impart a high waterproof property to the joint portion 9 between the waterproof liner sleeve 2 and the upper 1, along the edge of the lower opening 21 of the waterproof liner sleeve 2 and under the same. A waterproof tape 3A is attached from the inner surface of the waterproof liner sleeve 2 to the inner surface of the upper 1 so as to cover the edge of the opening 21. In addition, waterproof tape 3
It is sufficient for A to cover the edge of the lower opening 21 of the waterproof liner sleeve 2, and it is not necessary that the lower end 31A of the waterproof tape 3A reach the edge of the lower opening 12 of the upper 1.

In this way, since the joint portion 9 is waterproofed by the waterproof tape 3A, the water that has entered between the liner sleeve 2 and the upper 1 flows from the joint portion 9 into the lower opening 12 of the upper 1 and the inside of the shoe. It can be effectively prevented from seeping out. The infiltrated water is
It is possible to drain water from the seams 101 and 102 between the toe cap 13 and the counter 14 of the waist leather 15 of the upper 1 shown in FIG. Further, as shown in FIG. 1, if a plurality of drain holes 103 are provided at appropriate places above the joint portion 9 of the upper 1, drainage can be efficiently performed.

The tape width of the waterproof tape 3A shown in FIG.
Although not so wide as to reach the edge of the lower opening 12 of the upper 1, the present invention is not limited to this. As shown in FIG. 4, a wide waterproof tape 3B is used, and the waterproof tape 3 is used.
The lower end 31B of B may reach the edge of the lower opening 12 of the upper 1. According to this structure, the waterproof tape 3B can function as a waterproof liner on the inner surface of the upper 1 located below the lower opening 21 of the liner sleeve 2. The upper end 32 of the waterproof tape 3B
B covers the edge of the lower opening 21 of the liner sleeve 2.

[0030]

According to the present invention, the edge portion of the lower opening of the waterproof liner sleeve is located in the vicinity of the lower opening of the upper and deeper than the lower opening, and in the vicinity of the lower opening of the upper and the upper opening. Since the waterproof liner sleeve and the vicinity of the lower opening are bonded only by adhesive, the process of bonding the waterproof liner sleeve to the inner surface of the upper is simpler than the conventional method, and the manufacturing cost can be reduced without human labor. You can

Then, a waterproof tape is applied from the inner surface of the waterproof liner sleeve to the inner surface of the upper so as to cover the edge of the lower opening of the waterproof liner sleeve, so that the waterproof tape is penetrated between the waterproof liner sleeve and the upper. Water can be prevented from seeping out inside the shoes, and waterproofness can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a waterproof shoe for a left foot according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line 2-2 of FIG.

FIG. 3 is a cross-sectional view showing a state in which a seam in a lower opening of a waterproof liner sleeve is covered with a waterproof tape.

FIG. 4 is a cross-sectional view showing a state in which the waterproof tape is extended to the lower opening of the upper.

[Explanation of symbols]

1. ． ． upper 11. ． ． Upper opening 12. ． ． Lower opening 13. ． ． Toe leather 14. ． ． counter 15. ． ． Waist leather 16. ． ． stitch 101. ． ． stitch 102. ． ． stitch 103. ． ． Drainage hole 2. ． ． Waterproof liner sleeve 20. ． ． Upper opening 21. ． ． Lower opening 3A. ． ． Waterproof tape 31A. ． ． lower end 3B. ． ． Waterproof tape 31B. ． ． lower end 32B. ． ． Top 4. ． ． insole 5. ． ． Outsole 6. ． ． Inner liner 7. ． ． Filling material 8. ． ． Waterproof cover 9. ． ． Joint

Claims (6)

[Claims] 1. A method of manufacturing an upper having an upper opening and a lower opening, and a step of manufacturing a waterproof liner sleeve having an upper opening and a lower opening and arranged along an inner surface of the upper. An edge portion of the lower opening of the waterproof liner sleeve is positioned near the lower opening of the upper and further to the back than the lower opening, and an adhesive is provided between the lower opening of the upper and the lower opening of the waterproof liner sleeve. A method of manufacturing a waterproof shoe, comprising: a step of joining only by a sole; and a step of mounting a sole on an edge portion of the lower opening of the upper. 2. The method further comprising the step of attaching a waterproof tape from the inner surface of the waterproof liner sleeve to the inner surface of the upper so as to cover the edge of the lower opening of the waterproof liner sleeve. 1. A method of manufacturing waterproof shoes. 3. The method of manufacturing a waterproof shoe according to claim 2, wherein in the step of attaching the waterproof tape, the waterproof tape is extended to an edge portion of a lower opening of the upper. 4. The production of waterproof shoes according to claim 1, further comprising a step of joining an upper opening edge of the waterproof liner sleeve to an upper opening edge of the upper. Method. 5. The method for manufacturing a waterproof shoe according to claim 1, wherein the waterproof liner sleeve is formed of a waterproof sheet having air permeability. 6. An upper having an upper opening and a lower opening, a waterproof liner sleeve having an upper opening and a lower opening and arranged along an inner surface of the upper, and an edge portion of the lower opening of the upper. A bottom portion of the waterproof liner sleeve, the edge portion of the lower opening of the waterproof liner sleeve is located in the vicinity of the lower opening of the upper and deeper than the lower opening, and the vicinity of the lower opening of the upper and the waterproof liner. Waterproof shoes characterized in that the lower opening of the sleeve and the vicinity of the lower opening are joined only by an adhesive.