JPS6227123Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention combines a rubber tip and a hard synthetic resin tip through the fabric into a soft synthetic resin sole body, which bulges at the rear of the heel and at the base of the big toe. This shoe sole has a hard synthetic resin chip on the front sole that comes into contact with the shoe sole, and multiple rubber chips are placed at arbitrary locations on the front sole and heel to provide excellent wear resistance and anti-slip properties. be.

Conventionally, rubber soles are non-slip but lack abrasion resistance, while synthetic resin soles have superior abrasion resistance compared to rubber soles, but have the disadvantage of being slippery. Ta.

For this reason, when molding synthetic resin shoe soles, attempts have been made to make soles with rubber sole pieces integrally molded with the aim of improving wear resistance. It has a drawback that the adhesiveness between the shoe sole and the shoe sole is poor, and both of them peel off during use of the shoe sole.

In order to improve this drawback, attempts have been made to apply adhesive to the rubber bottom piece and mold it, but in this case, the rubber bottom piece warps due to the application of adhesive, making it difficult to fix it in the mold. was.

Therefore, as a result of various studies on integrating rubber and synthetic resin layers without using adhesives, the inventor of the present invention found that a rubber tip 1b or a hard synthetic resin tip 1a and a soft sole body 2. By integrally molding the shoe sole with a synthetic resin through the fabric 3, the tip made of rubber or hard synthetic resin and the sole of the shoe can be firmly bonded and integrated, and the present invention has been completed.

That is, the present invention provides a tip 1 made of a rubber tip 1b made by integrating rubber 4 or a hard synthetic resin 5 and a fabric 3, or a tip 1a made of a hard synthetic resin.
A chip 1a made of hard synthetic resin is placed on the front sole of the sole main body 2 made of soft synthetic resin, which contacts the rear part of the heel and the bulge at the base of the big toe, and a tip 1a made of hard synthetic resin is placed on the front sole and any part of the heel. This is a shoe sole with a plurality of rubber tips 1b arranged at the locations.

Furthermore, a sole having the above structure may be provided with synthetic resin reinforcing pieces 6, 7 integrally disposed on the outer periphery of the toe or heel via the fabric 3.

To explain an embodiment of the present invention, the shoe sole of the present invention, as shown in FIGS. A tip 1a made of hard synthetic resin is integrated with the tip 1a made of hard synthetic resin, and a tip 1a made of hard synthetic resin is placed on the front sole that contacts the rear part of the heel and the bulge at the base of the big toe of the foot. It has a structure in which a plurality of tips 1b are arranged at arbitrary positions on the front bottom and heel.

To explain the method for manufacturing a shoe sole according to the present invention, the chip 1 used in the present invention includes a rubber chip 1b and a hard synthetic resin chip 1a.Explaining the hard synthetic resin chip 1a, As shown in FIG. 5, when molding a hard synthetic resin 5 into a rod shape by injection molding or the like, a fabric 3 is integrally disposed on the outer peripheral wall to form a rod shape as shown in FIG. Chips made of hard synthetic resin are made by cutting the rod-shaped body into rounds.
1a.

Note that the rod-shaped body is not limited to a cylindrical shape, and any shape such as a prismatic shape can be used as appropriate.
Then, after placing the rubber chip 1b and the hard synthetic resin chip 1a at predetermined positions in a primary mold for a shoe sole mold, urethane is injected and solidified, and the mold is removed to form a shoe sole. It is.

As described above, the shoe sole according to the present invention includes rubber 4 or hard synthetic resin 5 with fabric 3 integrally disposed on the outer peripheral wall.
Since the tip 1 is a rod-shaped body cut into rings, the thickness can be adjusted to any desired thickness depending on the thickness of the sole.

The fabric 3 used in the present invention can be a woven fabric, a non-woven fabric, a knitted fabric, etc. Depending on the type of fabric, it may not be raised, but there are some fabrics in which it is particularly preferable to be raised.

By raising the fabric 3, the rubber or synthetic resin can enter between the fibers of the fabric 3 to form the rubber or hard synthetic resin chips 1 that are firmly adhered to the fabric 3. The soft synthetic resin of the sole body 2 enters between the fibers, and the fabric 3
The synthetic resin is strongly bonded to the tip 1 and the sole body 2 is firmly bonded together through the fabric 3.

Although a two-component urethane type synthetic resin was used for the sole body, any soft synthetic resin that hardens at room temperature or with little heating after injection may be used instead.

The synthetic resin used for the hard synthetic resin chip 1a is not particularly limited as long as it is hard, such as hard urethane or nylon.

In addition, as shown in FIGS. 3 and 4, the sole may have reinforcing pieces 6 and 7 made of hard synthetic resin provided at the toe portion and the outer periphery of the heel.

In this case, when molding the toe reinforcing piece 6 and the heel outer periphery reinforcing piece 7 from hard synthetic resin by injection molding or the like,
The fabric 3 is integrally disposed on the inner peripheral walls of the reinforcing pieces 6, 7 to form the reinforcing pieces 6, 7 in advance, and when the chip 1 is placed in the sole mold, the reinforcing pieces 6, 7 are also The synthetic resin for the sole body is injected and solidified, the mold is removed, and the third
The sole of the shoe is shown in FIGS.

As described above, the shoe sole according to the present invention has the above-mentioned structure, and is integrated with the tip 1 made of the rubber tip 1b and the hard synthetic resin tip 1a through the fabric 3 on the sole body 2 made of soft synthetic resin. Because of this, the sole and tip can be firmly attached, and an excellent shoe sole can be provided in which the tip 1 does not come off during use.

The sole of the present invention has the above-described structure and has both the anti-slip effect of the rubber tip 1b and the abrasion-resistant effect of the hard synthetic resin tip 1a, so that the sole has anti-slip and anti-slip properties. Excellent abrasion resistance,
It is possible to provide soles that are lightweight and have excellent durability.

The sole of the present application has the above-mentioned structure, and uses the tip 1 consisting of the rubber tip 1b with the fabric 3 integrally disposed on the outer peripheral wall and the hard synthetic resin tip 1a, so that the sole of the shoe There is no need to use adhesive to fix the chip 1, making the manufacturing process simple and economical.

In addition, since the sole body 2 and the tip 1 are integrally molded by injection molding, the sole body 2 is made of a soft synthetic resin that is comfortable to wear, and the tip 1 has excellent slip resistance and wear resistance.
This has the excellent effect of making it possible to manufacture shoe soles at low cost.

[Brief explanation of the drawing]

FIG. 1 is a front view of a shoe sole according to the present invention, FIG. 2 is a sectional view taken along the line - in FIG. 1, FIG. 3 is a front view showing another embodiment of the shoe sole according to the present invention, and FIG. The figure is a sectional view taken along the - line in FIG. 3, and FIG. 5 is a perspective view of the rod-shaped tip according to the present invention. 1... Chip, 1a... Chip made of hard synthetic resin, 1b... Rubber tip, 2... Sole body,
3...Fabric, 4...Rubber, 5...Hard synthetic resin,
6... Toe reinforcing piece, 7... Heel outer periphery reinforcing piece.

Claims (1)

[Scope of utility model claims] The sole body 2 is made of soft synthetic resin by using a hard synthetic resin chip 1a with fabric 3 integrally arranged on the outer peripheral wall and a rubber tip 1b with fabric 3 integrally arranged on the outer peripheral wall. The tip 1a made of hard synthetic resin is placed on the front sole that comes into contact with the rear part of the heel and the bulge at the base of the big toe, and the plurality of rubber tips 1b are placed on arbitrary parts of the front sole and heel. A shoe sole is characterized in that it is integrally formed with a sole body 2 made of soft synthetic resin by injection molding.