JPH0241102A - Shoe shell having dart and manufacture of same - Google Patents

Abstract

PURPOSE:To manufacture shoe shells with the degree of freedom in design by sticking a folded-back portion on a non-folded-back tubular portion of the shoe shell darts are formed on the outer surface side of said tubular portion. CONSTITUTION:A shell lining 1 is sewn on an insole cushion by thread on the bottom and sewn on a tubular portion 2 in an upper opening by thread. Next, darts 4 are formed in proper front, rear, left and right positions of the outer surface side of the tubular portion 2 over the whole height direction of the tubular portion 2 by pinching a proper width of the tubular portion 2 into an elongated projection and sewing the base thereof to fix longitudinally the projection. Next, the upper opening of the tubular portion 2 is folded back and the folded-back portion 3 is sewn on the tubular portion by thread so that the sewn portion 7 looks pretty when said portion 3 is folded back to the outside. When the bonded and folded-back portion 3 is folded back to the outside from the sewn portion 7, a sand avoiding portion 9 can be formed by the darts 4 formed on the tubular portion 2. The shell members thus integrally sewn are stuck to a shell armor 10 by thread and adhesives to manufacture shoe shells.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a shoe cover having a dart portion and a method for manufacturing a shoe cover having a dart portion.

(Prior Art) Shoe covers are generally constructed by providing a backing material inside an exterior material (skin portion) formed by a manufacturing method such as slush molding or injection molding 9 .

The lining material is made of materials such as soft urethane foam, boa, felt, non-woven fabric, knitted fabric, etc., and the collar part and insole are connected by sewing, etc., and then attached to the inside of the exterior material by sewing, etc. ing.

In order to obtain a shoe cover with a dart part, a cylindrical part is attached to the upper part of the lining material by sewing, a folded part is further glued to the upper part, and the folded part is made to cover the cylindrical part. The dart parts, which are twill-like protrusions that are folded back and provided on both sides of the front surface of the cover, form the sand removal part.

The method for manufacturing shoelaces having this dart section is to first attach the cylindrical section by sewing or the like to the upper part of the shoe lining material, which is bonded to the insole, and form the shoelaces integrally. A folded part is glued further above this cylindrical part, and the folded part is folded back. Dart parts were formed on both sides of the front of the outer surface of this folded back part to ensure the formation of sand removal parts.

Conventionally, this dart part was formed by folding the folded part, applying adhesive in a twill pattern on the inner surface of the folded part, and applying adhesive by pinching and pressing vertically from the outer surface side, or by applying adhesive from the outer surface side. The dart part was formed by sewing the protruding part.

(Problem to be solved by the present invention) When creating a dart part after folding back the folded part of the shoe cover to create a sand removal part, conventionally the dart part is sewn with thread as described above. Two methods are known: one method is to form the film by bonding it with an adhesive or the like.

However, the method of forming darts by sewing with thread has the problem that there are many restrictions in terms of design because the sewing thread comes out on the surface of the dart.

In addition, when creating darts by pasting with adhesive, since the darts are created in a vertical part of the folded part, it is difficult to do this mechanically and it is necessary to rely on manual labor. For that reason 1. There were problems in that adhesive strength and shape tended to vary, making it difficult to improve processing accuracy.

Furthermore, in order to form the dart portions, adhesive must be applied to the back of the folded portion (sand removal portion) of the cover during an intermediate manufacturing process, which is a very difficult process.

Also, as in the conventional method, the folded part is folded back and then the folded part on the outer layer side is pinched to create the dart part.
If the width of the knob is too large, the circumferential length may be too short, causing the problem that the shape of the inner cylindrical portion may collapse.

The present invention provides a shoe cover with a simple work process and freedom in design, and a method of manufacturing the shoe cover, by providing the dart portion at the lower part of the cylindrical part of the shoe cover, that is, on the outer surface of the non-folded part. The purpose is to

(Means for Solving the Problems) In order to achieve this object, the present invention provides a shoe cover in which the folded part of the shoe cover is folded back to form a sand-removal part on the front surface of the shoe cover, in which the non-folded part is folded back. A dart part is provided on the outer surface side of the cylindrical part to constitute a shoe cover.

The manufacturing method of the shoe cover involves folding back the folded part of the shoe cover to form a sand part on the front surface of the shoe cover. , the folded portion is fixed onto the cylindrical portion.

Furthermore, in order to carry out the same process as the sewing process of the lining material, the cylindrical part, and the folded part, the method for manufacturing the shoe cover having the dart part is configured such that the dart part is formed by sewing.

(Function) Since it is formed in the cylindrical part that becomes the inner layer of the folded part, the dart part is not visible. Therefore, sewing with thread or the like may be sufficient.

Since the knob for forming the dart portion is on the inner layer side, the shape of the cylindrical portion on the inner layer side is less likely to collapse.

Since the dart portion is formed by sewing with thread or the like, the manufacturing process is simplified.

The shape of the dart part is less likely to vary.

(Example) Embodiments of the invention will be described based on the drawings.

Figures 1 to 4 show the lining material of the shoe cover, the bottom insole,
The manufacturing process of the cylindrical part and the folded part is shown. Figure 1 is a perspective view of the cylindrical part bonded to the backing material that has been adhered to the insole, and Figure 2 shows the cylindrical part with darts attached FIG. 3 is a perspective view of the folded part attached to the cylindrical part, and FIG. 4 is a perspective view of the folded part folded back. FIG. 5 is a perspective view of a shoe using this shoe cover.

The shoe cover consists of a shoe cover exterior material (10), a lining material (1), and a cylindrical part (
2), and a folded part (3).

The lining material (1) is made of a material such as soft urethane foam, boa, felt, non-woven fabric, knitted fabric, etc., is formed into a lace-like shape, and is sewn to the insole (not shown) of the sole of the shoe with thread. (5) is a sewn part between the backing material (1) and the insole.

A cylindrical tube part (2) is sewn to the upper opening of the backing material (1) with thread. (6) is a sewn part between the backing material (1) and the cylindrical part (2).

Furthermore, at the upper opening of the cylindrical part (2), a folded part (
3) is sewn with thread. (7) is a sewn part between the cylindrical part (2) and the folded part (3).

String holes (8) are provided on both front sides of the folded portion (3).

The inner surface of the cylindrical portion (2) and the outer surface of the folded portion (3) when folded back are made of the same material as the cover material (10), such as synthetic leather.

Dart parts (4) are formed on both sides of the front part of the cylindrical part (2) as elongated projections extending vertically outward. In this example, the length of the dart part (4) is the length of the cylindrical part (2).
), but it may be of any suitable length depending on the design. In this embodiment, the dart portion (4) is formed by sewing with thread, but it may also be formed by pasting with adhesive or using other materials.

(9) is a sand-removal part, which is formed between the dart parts (4) on both sides with the folded part (3) folded back to the outside. (
11) is a shoelace.

Next, a method of manufacturing the shoe cover will be explained.

For the lining material (1) of the cover, the insole is sewn at the bottom with thread.
The upper opening is sewn to the cylindrical part (2) with thread.

Next, at appropriate positions on the front left and right sides of the outer surface side of the cylindrical part (2),
The dart portion (4) extends over the entire height of the cylindrical portion (2).
form. The dart part (4) is made by pinching the cylindrical part (2) to an appropriate width, making it into an elongated protrusion, and sewing the base of the protrusion.
It is formed by fixing a vertically long protrusion.

Next, the folded part (3) is sewn to the upper opening of the cylindrical part (2) with thread. This sewing is done so that when the folded portion (3) is folded back to the outside, the sewn portion (7) appears neatly.

When the glued folded part (3) is folded back outward from the sewn part (7), the dart part (4) formed on the cylindrical part (2) is formed.
Accordingly, the sand removal part (9) can be formed.

The cover material sewn together in this way is then sewn into the cover material (
Step 10) is fixed with thread and adhesive to produce a shoe cover. At this time, the lower peripheral edge of the folded part (3) and the outer covering material (
10) Secure the edges of the upper side with sewing or the like.

(Effects of the Invention) Therefore, according to the present invention, the manufacturing process of the shoe cover can be simplified, so that the manufacturing efficiency can be improved.

In addition, with the configuration of claim (2), since the dart portion is sewn, it can be done in the same process and work of the same nature as sewing each member of the cover, so it can be easily mechanized and the work can be done simply and quickly. There is an effect that it can be done.

Furthermore, since the darts are formed on the inside where they cannot be seen, the shoe can have a free shape with fewer design restrictions.

Further, since the folded part is attached after forming the dart part on the cylindrical part, there is no fear that the length of the cylindrical circumference of the folded part will be shortened, and there is an effect that the shape of the shoelace is not distorted.

[Brief explanation of the drawing]

1 to 5 show an embodiment of the present invention, and FIG. 6 shows a conventional example. Figures 1 to 5 show the lining material of the shoe cover, the bottom insole,
The manufacturing process of the cylindrical part and the folded part are shown, and Figure 1 is a perspective view of the cylindrical part bonded to the insole and the backing material, and Figure 2 is the cylindrical part with darts attached. Fig. 3 is a perspective view of the folded part attached to the cylindrical part, Fig. 4 is a perspective view of the folded part folded back, and Fig. 5 shows this as a shoe exterior material. FIG. FIG. 6 shows a conventional example, and is a perspective view of a shoelace part in which a dart part is formed in the folded part. (1)...Backing material, (2)...Cylindrical part, (
3)...Folded part, (4)...Dart part, (5)...Sewn part of lining and insole, (6)...
Sewing part between backing material and cylindrical part, (force... Sewing part between cylindrical part and folded part, (8)
...lace hole, (9)...sand removal part, (10)...sheathing exterior material, (11)...shoelace, (12)...conventional example darts club.

Claims (3)

[Claims] (1) A shoe cover in which a folded part of the shoe cover is folded back to form a sand protection part on the front surface of the shoe cover is characterized in that a dart part is provided on the outer surface side of the cylindrical part which is the non-folded part. A shoe cover with darts. (2) In the method of manufacturing a shoe cover, in which the folded part of the shoe cover is folded back to form a sand guard part on the front surface of the shoe cover, a dart part is formed on the outer surface side of the cylindrical part that is the non-folded part of the shoe cover. After that, a folded part is fixed on top of the cylindrical part. (3) The method for manufacturing a shoe cover having a dart portion according to claim 2, wherein the dart portion is a dart portion formed by sewing.