JPH1175904A - Antislip ground-contact sole - Google Patents

Abstract

PROBLEM TO BE SOLVED: To exhibit antislip properties not only on ice and floor wet with water but also dry floor, by making the ground-contact area of a cleat ground- contact part with woven or nonwoven fabric fitted in it smaller than the ground- contact area of a cleat ground-contact part consisting of only rubber. SOLUTION: The ground-contact area of a cleat ground-contact part 2 with woven or nonwoven fabric fitted in it is made smaller than the ground-contact area of a cleat ground-contact part 4 consisting of only rubber. An adhesive is applied to polyester woven fabric. Then, the polyester woven fabric is cut so as to match the shape and area of an arbitrary one of the cleats of a contact-ground-sole rubber molding die, for example, an alternating cleat. Then, the polyester woven fabric pieces 3 are arranged in the cleats of the ground- contact-sole rubber molding die. After the arrangement, unvulcanized rubber cut and measured according the volume of a shoe sole is disposed in the die. Then, the rubber sole 1 is formed according to specified conditions.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a slip-resistant bottom.

[0002]

2. Description of the Related Art There are many slips and falls on a floor surface on ice or wet with water, and various devices have been conventionally devised. For example,
As a countermeasure against slippage on ice, insert a metal or hard plastic spike into the sole of the shoe and cut the tip of the spike into the surface of the ice to prevent slippage. Some are mixed with the bottom material to prevent slippage. As a measure against slippage on a floor wet with water, there is a method in which a woven fabric or a nonwoven fabric is attached to the entire shoe sole.

[0003]

Problems to be Solved by the Invention
Although each slip was effective, both ice and water were not effective. The spike is
By using a hard material, the effect is exerted by digging into the ice, so that in a normal P tile floor or concrete floor, on the contrary, the floor may be slippery or the floor may be damaged. He also felt a foreign body on his soles, making it difficult to walk. Ceramic and glass wool were similar in that they could damage the floor or slip on dry floors. Put the shoe sole with woven or non-woven fabric on ice,
Even if the floor is wet with water, it absorbs the water film formed between the sole and the ground contact surface, which is the cause of slippage, and is effective in preventing the wear resistance of the sole from lowering. Done P
On the other hand, on tile floors, there is a problem that it is slippery. An object of the present invention is to provide a shoe sole that exhibits slip resistance not only on a floor surface wet with ice and water but also on a dry floor surface.

[0004]

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention provides a cleat grounding portion in which a woven or nonwoven fabric is fitted into a cleat portion of a rubber grounding bottom and a rubber cleat grounding portion. The characteristic feature is that the contact area of the cleat contact part with the woven or non-woven fabric is smaller than the contact area of the rubber-only cleat contact part on the slip-resistant bottom that is arranged so that it exists. The feature is that the height of the cleat contact part into which the woven or nonwoven fabric is fitted is lower than the height of the rubber-only cleat contact part. It is characterized by the point where it is connected by a mountain fin. The cleat part with a woven or non-woven fabric inserted into the cleat part on the rubber ground bottom and the rubber-only cleat. The grounding area of the cleat grounding part with the woven or non-woven fabric shall be smaller than the grounding area of the rubber-only cleat grounding part, and It is characterized in that the height of the cleat contact portion into which the nonwoven fabric is fitted is made lower than the height of the rubber-only cleat contact portion, and the cleat portion is connected by a chevron fin.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION A cleat part of a rubber grounding bottom,
That is, a cleat grounding portion in which a woven or nonwoven fabric is fitted and a rubber cleat grounding portion are arranged so as to be present at each protruding portion integrally protruding from the shoe bottom to form a sole design. An adhesive is applied to the woven or non-woven fabric in advance, and is bonded simultaneously with the vulcanization molding of the rubber grounding bottom. Since the rubber partially passes from between the fibers by the pressure molding, the adhesive strength is improved as compared with the one bonded after the ground bottom molding. Also, by using the adhesive, the adhesion to the rubber is strengthened, and the mold is easily removed after molding. Further, since the rubber partially passes from between the fibers by the pressure molding, falling off and chipping, which are common in lamination, are prevented, and the durability is improved.

In order to balance wear of the cleat portion, the contact area of the cleat contact portion into which the woven or nonwoven fabric is inserted is made smaller than that of the rubber-only cleat contact portion. This is because even if a woven or nonwoven fabric is firmly bonded to rubber with an adhesive,
This is because falling off and chipping are likely to occur.

[0007] In order to balance the wear of the cleat portion, the height of the cleat contact portion into which the woven or nonwoven fabric is inserted is set to be 1 to 1 higher than the height of the rubber only cleat contact portion.
Lower by 3 mm. Since the corners of the cleat portion are sharp at the beginning of wearing shoes, chipping is particularly likely to occur, and it is better to keep the height of the cleat contact portion lower than the height of the rubber only cleat. In addition, by making the height lower than the height of the rubber-only cleat contact portion, the suction action is likely to occur, and the effect of removing water is easily obtained. If it is less than 1 mm, the difference in height is too small, and it is difficult to obtain the effect. 3
If it exceeds mm, not only is it difficult to obtain an effect due to too many steps, but also the stability is lacking and only the rubber is worn, so that the durability is reduced.

[0008] The lower the hardness of the rubber, the better, but from the viewpoint of the slip resistance and the moldability, 45 to 65 Hs (JIS K 63
01 Spring type hardness meter A type) rubber is preferably used. A cleat grounding portion in which the adjacent woven or nonwoven fabric of the bottom design is fitted and a rubber cleat grounding portion are connected by a chevron fin. This has the effect of preventing the cleats from clogging into the valleys and also sweeping water out of the bottom. Woven or non-woven fabrics include nylon, polyester,
Chemical fibers such as polyurethane, polyamide and polyethylene terephthalate; vegetable fibers such as cotton, hemp and soup;
Animal fibers such as wool and regenerated fibers such as rayon are used alone or in combination.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. An adhesive is applied to a woven polyester fabric. Next, the polyester woven fabric is cut into an arbitrary cleat portion, for example, an alternate cleat portion, of each cleat portion of the rubber mold for grounding bottom according to a shape and an area corresponding to the cleat portion. Next, the polyester woven fabric piece 3 is arranged on the cleat portion of the rubber mold for grounding bottom. After the placement work, unvulcanized rubber 5 cut and measured according to the volume of the sole
Is placed in the mold. Next, the rubber shoe sole 1 is formed under predetermined conditions. Then, as shown in FIGS. 1 to 3, a cleat contact portion 2 in which a polyester woven fabric piece 3 is fitted to the bottom surface of a rubber shoe sole 1 and a cleat contact portion 4 made of rubber only
And a mountain-shaped fin 6 connecting between the cleat portions are simultaneously formed.

[0010] Tables 1 and 2 show the experimental results of the sliding resistance of the grounding bottom having the above-described configuration, which was evaluated by experiencing the sliding on the dry P tile floor and ice. For a dry P tile floor, P tiles are laid on a walking test path where the inclination angle can be changed, shoes are worn, and the inclination angle is changed. On ice, smooth ice with a smooth surface that had been stored in a freezer at -30 ° C for 24 hours or more
After leaving it at room temperature of 5 ° C for about 5 minutes, place it on a walking test path where the inclination angle can be changed, stand with your shoes on, and change the inclination angle. An experiment was conducted with three subjects (A, B, C). The ground sample was made of the following: 1. Ground bottom with the polyester woven fabric piece 3 as shown in FIG. 1 in the embodiment 2. Ground bottom with the same bottom design as above 1 and the whole grounding portion only rubber 3. Ground bottom with the same bottom design as above 1 All the grounding bottoms with the polyester woven fabric pieces 3 fitted are used, and the hardness of the rubber is 54 to 56 Hs (JI
SK6301 spring hardness meter A type).

[0011]

[Table 1]

[0012]

[Table 2]

The above experimental results are summarized as follows. On a dry P-tile floor, the rubber only and the partially embedded woven cloth pieces 3 are almost the same (very little rubber is less slippery). Slipped. On ice, the part of the woven fabric piece 3 partially fitted and the whole of it were equivalent, and only the rubber slipped. The effect of both was
The woven cloth piece 3 was partially fitted.

[0014]

The present invention is configured as described above, and has the following effects. Since the woven or non-woven fabric is inserted alternately between the cleat portions, it is slippery on both the ice surface and the floor surface wet with water and the dry floor surface. By making the contact area of the cleat contact portion into which the woven or nonwoven fabric is inserted smaller than that of the rubber-only cleat contact portion, the wear of the shoe sole can be balanced. By making the height of the cleat contact area with the woven or non-woven fabric inserted lower than the height of the rubber-only cleat contact area, it exerts the water suction effect and at the same time, prevents the woven or non-woven fabric from falling off and chipping. , Balance of wear of shoe sole can be balanced. By tying the cleats with a mountain fin, a water draining effect can be obtained. This fin also has the effect of improving the flow of the rubber mold and preventing chipping of the cleat when molding the grounding bottom. If there is no chipping, the cleat angle can be reproduced exactly as in the mold. Gives an edge effect and contributes to the slip resistance.

[Brief description of the drawings]

FIG. 1 is a plan view of a bottom design side of a slip-resistant bottom according to the present invention.

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

FIG. 3 is a sectional view taken along line BB of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rubber sole 2 Cleat grounding part in which polyester woven piece was fitted 3 Polyester woven cloth piece 4 Rubber cleat grounding part 5 Rubber 6 Mountain fin

Claims (4)

[Claims] A woven or non-woven fabric is provided on a slip-resistant bottom which is provided so that a cleat contact portion in which a woven or non-woven fabric is fitted into a cleat portion of a rubber contact bottom and a cleat contact portion comprising only rubber are present. A slip-resistant bottom that is made smaller in the contact area of the cleat contact part with rubber than the contact area of the rubber-only cleat contact part. 2. The anti-slip grounding bottom according to claim 1, wherein the height of the cleat grounding portion into which the woven or nonwoven fabric is fitted is lower than the height of the rubber-only cleat grounding portion. 3. The anti-slip grounding bottom according to claim 1, wherein the cleat portions are connected by a chevron fin. 4. A non-woven or non-woven fabric at a slip-resistant bottom which is arranged so that a cleat contact portion in which a woven or non-woven fabric is fitted into a cleat portion of a rubber contact bottom and a cleat contact portion of only rubber are present. The contact area of the cleat contact part with the rubber shall be smaller than the contact area of the rubber only cleat contact part, and the height of the cleat contact part incorporating the woven or nonwoven fabric shall be lower than the height of the rubber only cleat contact part. , A slip-resistant bottom that is formed by connecting the cleats with a mountain fin.