JPH032162Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a sole for sports shoes such as soccer, rugby, golf, track and field, and baseball.

(Prior Art) Conventionally, the soles of sports shoes for soccer, rugby, golf, baseball, track and field, etc. have been provided with a large number of substantially truncated conical studs.

Utility Model Publication No. 59-42889 discloses a spike (corresponding to the stud of the present application) whose base is integrally molded with a synthetic resin sole, and a ceramic tip is provided at the tip of this base. is being developed.

In this case, the shoe sole is lightweight, has shock absorption properties, and has excellent abrasion resistance. However, since the shoe sole is required to have flexibility, a flexible material such as polyurethane or nylon is used. A soft synthetic resin with excellent properties is used.

For this reason, a hard ceramic tip is placed at the tip of the soft synthetic resin base, and the tip may wobble due to various forces during use.
Furthermore, they would fall off, and the characteristics of ceramic, such as wear resistance and durability, could not be fully demonstrated.

(Problem to be solved by the invention) The purpose is to provide a sole for sports shoes that is lightweight, has shock absorbing properties, and fully demonstrates the characteristics of ceramic, such as abrasion resistance and durability. .

(Means for solving the problem) The sole for sports shoes according to the present invention has the following configuration.

A sole body A made of synthetic resin that is integrally molded with a plurality of substantially cylindrical bases a, and a substantially cylindrical head main body 1 with a rounded contact surface side.
A small-diameter cylindrical neck portion 3 is protruded from the back surface 2 of the head, and a rounded bulge portion 4 having a smaller diameter than the head main body 1 and a larger diameter than the neck portion 3 is integrally provided at the upper end of the neck portion 3. A holding protrusion 7 is provided protruding from the center of the back surface of the head body b made of ceramic and the seat part 6, a holding part 9 is provided below the holding protrusion 7, and the lower end of this holding part 9 is attached to the head body b. The diameter is smaller than the bulge 4 of
It consists of a neck portion 3 of a head body b and an embedded body c provided with a mounting hole 10 having a substantially circular diameter.

Then, the bulging part 4 of the head body b is placed in the holding part 9 of the buried body c to connect and integrate the head body b and the buried body c, and the seat part 6 of the buried body c is buried in the sole body A. Then, the holding protrusion 7 of the buried body c is buried in the base a, the head main body 1 of the head body b is arranged at the tip of the base a, and a plurality of studs B are integrally attached to the sole body A. This is what was installed.

(Example) As shown in FIGS. 1 to 7, the sole for sports shoes according to the present invention has a sole body A made of synthetic resin.
The head body 1 of the ceramic head body b is placed at the tip of the base a integrally molded with the base a, and within this base a,
The holding protrusion 7 of the buried body c connected to the bulge 4 of the head body b is buried, the seat part 6 of the buried body c is buried in the sole body A, and a plurality of studs B are embedded in the sole body A. It is arranged integrally.

A first embodiment of the sole for sports shoes according to the present invention will be described.

As shown in FIGS. 1 to 4, the first sole for sports shoes has a polycarbonate embedded body c integrally formed in the center of the back of a head body b prepared in advance, and the sole body Bury the seat part 6 of the buried body c in A,
The holding protrusion 7 of the buried body c is buried in the base a, the head main body 1 of the head body b is arranged at the tip of the base a, and a plurality of studs B are integrally arranged in the sole body A. This is what I did.

As shown in FIG. 1, the base a is the sole body A.
They are made of approximately cylindrical synthetic resin and are integrally molded with the sole body A, and a plurality of them are arranged on the forefoot and heel portions of the sole body A.

The head body b is made of ceramic and is fixed to the tip of the base a, and as shown in FIG. A neck portion 3 is provided protrudingly, and a rounded bulge portion 4 having a smaller diameter than the head main body 1 and a larger diameter than the neck portion 3 is integrally provided at the upper end of the neck portion 3.

The buried body c is made of polycarbonate, and as shown in FIG. 3, a small-diameter holding protrusion 7 is protruded from the center of the back surface of the large-diameter seat 6, and inside the lower part of the holding protrusion 7,
A holding portion 9 having the same shape as the bulging portion 4 of the head body b is provided, and a mounting hole 10 having the same shape as the neck portion 3 of the head body b is provided at the lower end of the holding portion 9.

The first method of manufacturing a sole for sports shoes according to the present invention will be explained.

The head body b prepared in advance is placed in a mold for the buried body c, and polycarbonate resin is injected and solidified to form the fourth
As shown in the figure, the neck part 3 of the head body b is inserted into the buried body c.
Embed the bulge 4 of the head body b into the mounting hole 10 of the body c.
A buried body c made of polycarbonate is integrally formed in the center of the back surface 2 of the head body b, with the head body b and the buried body c connected and integrated.

The head body b and the embedded body c are placed in a mold for forming a shoe sole, and a synthetic resin is injected and solidified to integrally mold the sole body A and the base a.

At the same time, the head main body 1 of the head body b is placed at the tip of the base a, and the holding protrusion 7 of the buried body c, which is fitted with the bulge 4 of the head body b, is embedded in the base a. death,
The seat part 6 of the embedded body c is buried in the sole body A, and a plurality of studs B are integrally arranged in the sole body A, as shown in FIG. It is.

Here, the polyurethane used for the sole body A,
Synthetic resins such as nylon have inferior adhesion to ceramics compared to polycarbonate, but since they adhere strongly to polycarbonate, the head body b is attached to the sole body A via the polycarbonate embedded body c.
The sole can be strongly integrated with the polyurethane and nylon, fully exhibiting the properties of polyurethane and nylon, and can be made into a sole for sports shoes with excellent wear resistance and durability.

Next, a second embodiment of the sole for sports shoes according to the present invention will be described.

As shown in FIGS. 5 to 7, the second sole for sports shoes is obtained by fitting the protruding portion 4 of the head body b into the holding portion 9 of the separately prepared metal embedded body c. , the head body b and the buried body c are connected and integrated, the seat part 6 of the buried body c is buried in the sole body A, and the buried body c is embedded in the base a.
A holding protrusion 7 is embedded in the head body b at the tip of the base a.
A head main body 1 is arranged, and a plurality of studs B are integrally arranged on a sole main body A.

Similarly to the first embodiment, as shown in FIG. 7, the base a is made of a substantially cylindrical synthetic resin integrally molded with the sole body A, and is attached to the front and heel portions of the sole body A. Multiple units are installed in the area.

The head body b is similar to the first embodiment, and the base part a
As shown in Fig. 2, a small-diameter cylindrical neck 3 is protruded from the back side 2 of a roughly cylindrical head body 1 with a rounded contact surface. The diameter of the part is smaller than that of the main body 1, and the diameter is larger than that of the neck part 3.
A rounded bulge 4 is integrally provided at the upper end of the neck 3.

As shown in FIG. 5, the buried body c is made by punching and bending a thin metal plate and forming a seat part 6 with a plurality of through holes 5 in the center of the back surface of the seat part 6, which is constricted near the base. A hollow holding protrusion 7 with a diameter smaller than 6 is provided protrudingly, and a bulging part 4 of the head body b and a holding part 9 having a substantially circular diameter are provided inside the constricted part 8 of this holding protrusion 7, and this holding part At the lower end of the head body b, a mounting hole 10 having a diameter smaller than the bulging portion 4 of the head body b and having a substantially circular diameter with respect to the neck portion 3 of the head body b is provided.

A second method of manufacturing a sole for sports shoes according to the present invention will be explained.

The head body b and the buried body c are prepared separately in advance, and the bulging part 4 of the head body b is brought into contact with the mounting hole 10 of the buried body c, and they are pressed together, and the bulging part 4 is attached to the buried body c. As shown in FIG. 6, the head body b and the buried body c are connected and integrated.

The head body b and the embedded body c are placed in a mold for forming a shoe sole, and a synthetic resin is injected and solidified to integrally mold the sole body A and the base a.

At the same time, the head main body 1 of the head body b is placed at the tip of the base a, and the holding protrusion 7 of the buried body c, which is fitted with the bulge 4 of the head body b, is embedded in the base a. death,
The seat part 6 of the embedded body c is buried in the sole body A, and a plurality of studs B are integrally arranged in the sole body A, as shown in FIG. 7, to provide a sole for sports shoes. It is.

Here, a holding part 9 having approximately the same diameter as the bulging part 4 of the head body b is provided inside the lower constriction part 8 of the holding protrusion 7 protruding from the seat part 6, and at the lower end of this holding part 9, Since the buried body c is provided with a mounting hole 10 that is smaller in diameter than the bulge 4 of the head body b and has approximately the same diameter as the neck 3 of the head body b, the bulge 4 of the head body b is attached to the buried body. c mounting hole 1
The head body b and the buried body c can be easily connected by simply bringing them into contact with each other and pressing them together.

In addition, in the base a that is integrally molded with the sole body A,
Since the holding protrusion 7 of the buried object c is buried, even if the bulging part 4 of the head body b is connected to the holding protrusion 7 of the buried object c in a slightly wobbly state, the holding protrusion 7 of the buried object c Due to the presence of the synthetic resin inside and around the neck 3 of the head body b, the head body b can be firmly disposed on the base a without wobbling.

Furthermore, since the buried body c is provided with the constricted portion 8, the force applied to the head body b during use is not only buffered by the synthetic resin such as the base a, but also is softened by the constricted portion 8, making it even more effective. This improves shock absorption.

In the above embodiment, the head body b is made of ceramic, but it may also be made of cermet, and the material thereof is not particularly limited, and in this specification, cermet or ceramic is used. It is simply called ceramic.

In the embodiment described above, the head body b is composed of a rounded, substantially cylindrical head main body 1, a small-diameter cylindrical neck portion 3, and a rounded bulge portion 4. The shape of is not particularly limited.

In the first embodiment, the polycarbonate buried body c is integrally formed in the center of the back surface 2 of the head body b. , the bulges 4 of the head body b prepared in advance are brought into contact and pressed together, and the bulges 4 are fitted into the holding portions 9 of the buried body c;
As shown in FIG. 4, the head body b and the buried body c may be connected and integrated.

In the second embodiment, the mounting hole 10 of the buried body c
has a smaller diameter than the bulge 4 of the head body b and approximately the same diameter as the neck 3, and the bulge 4 of the head body b is inserted into the mounting hole 10.
The explanation has been given using an example in which the head body b and the buried body c are connected by abutting and pressing each other. Insert the bulging part 4 of the cylinder, caulk the tip of this cylinder, and as shown in Fig. 6, the head body b and the buried body c
They may be connected and integrated.

(Operation and Effect of the Invention) The sole for sports shoes according to the present invention has the above-mentioned structure, and the seat part 6 of the embedded body c is attached to the sole body A made of synthetic resin, in which a plurality of base parts a are integrally molded. The holding protrusion 7 of the buried body c, which is buried and connected to the bulging part 4 of the head body b made of ceramic, is buried in the base a, and the head main body 1 of the head body b is arranged at the tip of the base a. Because
It is lightweight, and the force applied to the head body b is not only buffered by the synthetic resin base a, but also dispersed to the sole body A via the buried body c, further improving shock absorption. be.

The sole for sports shoes according to the present invention has the above-described structure, in which the seat part 6 of the buried body c is embedded in the sole body A made of synthetic resin, in which a plurality of base parts a are integrally molded, and Since the holding protrusion 7 of the buried body c connected to the bulging part 4 of the head body b is buried in the base a, and the head main body 1 of the head body b is disposed at the tip of the base a,
The head body b is firmly attached to the sole body A, so that the head body b does not wobble due to various forces during use.
Furthermore, it does not fall off and fully exhibits the characteristics of ceramic, such as wear resistance and durability.

The sole for sports shoes according to the present invention has the above-mentioned structure, and in the base a integrally formed with the sole body A,
Since the holding protrusions 7 of the buried body c are buried, the base a is reinforced by the holding protrusions 7 of the buried body c, resulting in excellent durability.

The sole for sports shoes according to the present invention has the above-mentioned structure, and in the base a integrally formed with the sole body A,
Since the holding protrusion 7 of the buried body c is buried and the base part a is reinforced, the sole body A can be formed using a relatively soft synthetic resin, and the sole body A is soft to use and has excellent flexibility. It is.

At this time, since the seat portion 6 with a larger diameter than the holding protrusion 7 is provided on the buried body c, the force applied to the head body b is
Not only is the cushioning provided by the synthetic resin base a, but it is also distributed in the sole body A via the embedded body c, resulting in a shoe sole that does not have a feeling of pushing up.

The sole for sports shoes according to the present invention has the above-mentioned structure, and in the base a integrally formed with the sole body A,
Since the holding protrusion 7 of the buried object c is buried, even if the bulging part 4 of the head body b is connected to the holding protrusion 7 of the buried object c in a slightly wobbly state, the holding protrusion 7 of the buried object c Due to the presence of the synthetic resin inside and around the neck 3 of the head body b, the head body b can be firmly disposed on the base a without wobbling.

The sole for sports shoes according to the present invention has the above-mentioned structure, and in the base a integrally formed with the sole body A,
Even if the holding protrusion 7 of the buried body c is buried and the bulging part 4 of the head body b is connected to the holding protrusion 7 of the buried body c, the head body b will not wobble. Since it can be firmly disposed on the base a without requiring any manufacturing effort, manufacturing is simple.

[Brief explanation of drawings]

Fig. 1 is a partially omitted cross-sectional view of the sole of a sports shoe according to the present invention, Fig. 2 is a front view including a partially cutaway cross-section of the head body according to the present invention, and Fig. 3 is a buried structure according to the present invention. An explanatory view including a partially cutaway cross-section of the body, FIG. 4 is a front view including a partially cutaway cross-section of the buried body and the head body connected together, and FIG. 5 is an illustration of another buried body according to the present invention. FIG. 6 is a front view including a partially cutaway cross section of the buried body shown in FIG. 5 connected to the head body, and FIG. 7 is a front view including a partly cut away cross section of the buried body shown in FIG. 5 and the head body. FIG. 2 is a partially omitted cross-sectional view of the shoe sole body. A... Sole body, B... Stud, a... Base, b... Head body, c... Buried body, 1... Head main body, 2... Back, 3... Neck, 4...... bulge, 5
...Through hole, 6... Seat, 7... Holding protrusion, 8...
Constricted part, 9... Holding part, 10... Mounting hole.

Claims (1)

[Claims for Utility Model Registration] A sole body A made of synthetic resin that is integrally formed with a plurality of substantially cylindrical base parts a, and a neck part 3 having a bulging part 4.
The head body b is made of ceramic and is integrally provided on the head main body 1, and the buried body c has a holding protrusion 7 protruding from the seat part 6. burying the seat part 6 of the buried body c in the sole body A, burying the holding protrusion 7 of the buried body c in the base a,
The head main body 1 of the head body b is arranged at the tip of the base a,
A sole for sports shoes in which a plurality of studs B are integrally arranged on a sole body A.