TWM604138U - Oil-proof and anti-static sole - Google Patents

Abstract

This creation is an oil-proof and anti-static shoe sole. The oil-proof and anti-static shoe sole has a top surface, a bottom surface, and peripheral sides connecting the top surface and the bottom surface. The oil-proof and anti-static shoe sole contains foamed thermoplastic polyurethane and thermoplastic polyurethane. Mixed with antistatic agent, set this creation on the bottom of the shoe body, it can conduct the static electricity accumulated by the human to the ground and prevent the adsorption of oil stains.

Description

Oil-proof and anti-static sole

This creation is about a kind of shoe sole, which is installed at the bottom of the shoe body to prevent the absorption of oil pollution and conduct the static electricity accumulated by people to the ground.

Shoes are very important wearables in life. They are worn on the feet to avoid injuries caused by direct contact with the soles of the feet, and provide appropriate elasticity at the bottom to maintain walking comfort. With the development of technology, the materials and production of shoes With the continuous advancement of technology, consumers can now choose shoes with suitable functions for the environment and purpose.

Among them, the sole of shoes can be said to be the most important and most easily worn part. It is responsible for carrying the weight of the human body and is responsible for contacting the ground. Common sole materials are EVA (Ethylene Vinyl Acetate, ethylene vinyl acetate copolymer), PU (Polyurethane) , Polyurethane), RB (rubber, rubber), PVC (polyvinyl Chloride, polyvinyl chloride).

However, the aforementioned sole materials all have disadvantages. For example, PU material is not water-resistant and is easy to corrode quickly due to water, while general RB material is waterproof but not oil-resistant, and is likely to swell and deteriorate due to oil absorption. PVC and EVA are due to It is not easy to corrode and is extremely environmentally friendly.

In addition, the current market is that the soles of shoes cannot effectively conduct the static electricity stored in the human body to the ground (for example, Taiwan Patent No. M588970), which causes discharge when the human body touches the conductive body, which will cause pain. If it is a touched object It may cause malfunction and damage to equipment, machines and other equipment.

In view of this, the creators of this book have devoted themselves to research and development and finally developed a sole that is different from conventional products, which can prevent the absorption of oil pollution and conduct the static electricity accumulated by the human to the ground.

This creation is used to install at the bottom of the shoe body to prevent the absorption of oil pollution and conduct the static electricity accumulated by people to the ground.

In order to achieve the above objects and effects, this creation provides an oil-proof and anti-static shoe sole, wherein: the oil-proof and anti-static shoe sole has a top surface, a bottom surface, a peripheral side connecting the top surface and the bottom surface, and the oil-proof and anti-static shoe sole Contains foamed thermoplastic polyurethane foam, and the foamed thermoplastic polyurethane is mixed with an antistatic agent.

Further, the oil-proof and anti-static shoe sole has a pointed part, a central part, and a heel part, wherein the central part is connected between the pointed part and the heel part, and the central part is provided with an anti-torsion sheet, the anti-torsion piece The opposite ends of the sheet respectively face the tip and the heel. The tip, the center, and the top side of the heel are connected to form the top surface, and the tip, the center, and the bottom of the heel are connected Form the bottom surface.

Further, the top surface is recessed in a central part with a piece-positioning groove, and the anti-torsion piece is located in the piece-positioning groove.

Furthermore, the material of the anti-torsion sheet can be glass fiber, iron, nylon elastomer, TPU.

Further, the oil-proof and anti-static shoe sole includes a middle bottom sheet and a large bottom sheet that are connected, the top surface is located at the top of the middle bottom sheet, and the bottom surface is located at the bottom of the large bottom sheet.

Further, the large base sheet has at least one perforation, the middle base sheet protrudes a convex portion toward the at least one perforation, and the protrusion degree of the convex portion is at least flush with the bottom surface.

Further, the central part and the outside of the heel part protrude outwards, so that the peripheral side corresponding to the heel part, the central part is divided into an upward slope area and a downward slope area, and the upward slope area is gradually towards the top surface Inclined inward, the downward slope area gradually slopes inward toward the bottom surface.

For a more detailed understanding of the implementation of this creation, please view it with the drawings. As shown in the first to second figures, it is an oil-proof and anti-static shoe sole, wherein: the oil-proof and anti-static shoe sole 1 has a top surface 11 A bottom surface 12, a peripheral side surface 13 connecting the top surface 11 and the bottom surface 12, and the oil-proof and anti-static shoe sole 1 contains foamed thermoplastic polyurethane, and the foamed thermoplastic polyurethane is mixed with an antistatic agent 7 .

To further elaborate the production method of this creation, use thermoplastic polyurethane as the base material with antistatic agent 7, nucleating agent, slip agent and other materials into the mixer. After heating and forming, add foaming agent and roll and cut into pieces. Blocks (sheets), the aforementioned fragments (sheets) are added to the mold and heated and pressurized, the mold is opened to release the pressure to normal pressure, and the foam is rapidly expanded to complete the oil-proof and anti-static shoe sole 1, while the foamed thermoplastic polyurethane is resistant to oil and hydrolysis It has no defects of conventional RB and PU soles, and is lighter than RB soles. Thermoplastic polyurethane can be decomposed when buried in the soil for about five to ten years. It can be said to be much more environmentally friendly than PVC soles. The antistatic agent 7 mixed in the process can greatly reduce the resistivity, so that the oil-proof and anti-static shoe sole 1 can conduct the static electricity stored in the human body to the ground, and effectively solve the various problems caused by static electricity. You can know that this creation is true Can effectively correct the problem of learning the sole.

The density of the oil-proof and anti-static shoe sole is: 0.1~0.3g/cm ³ , the hardness is: 40~65C, the resistance value is: 10 ⁶ Ω~10 ⁸ Ω, and the oil-proof effect is: IRM 903 oil <5%, Fuel B＜15%, 2, 2,4 Trimethylpentane ＜10%, it does have good electrical conductivity and oil resistance.

As shown in the third to fifth figures, this is the second embodiment of the creation. The oil-proof and anti-static shoe sole 1 has a tip 14, a central part 15, and a heel 16, wherein the central part 15 is connected Between the tip portion 14 and the heel portion 16, the central portion 15 is provided with an anti-torsion sheet 2 whose opposite ends face the tip portion 14 and the heel portion 16, respectively, and the tip portion 14 The top side of the central portion 15 and the heel portion 16 are connected to form the top surface 11, and the bottom side of the pointed portion 14, the central portion 15, and the heel portion 16 are connected to form the bottom surface 12, and the pointed portion 14 corresponds to the human foot The toe and the central part 15 correspond to the arch of the foot, and the heel 16 corresponds to the heel. Because the oil-proof and anti-static sole 1 made of thermoplastic polyurethane is softer than conventional materials, The addition of the anti-torsion sheet 2 to the central part 15 corresponding to the position of the human foot arch can improve the elasticity, so that the foot is more comfortable when the human body walks, while maintaining the softness of the tip part 14 and the heel part 16.

As shown in Figs. 3 to 5, the top surface 11 is recessed in the central portion 15 with a sheet-receiving groove 17, the anti-torsion sheet 2 is located in the sheet-retaining groove 17, and the structure of the sheet-receiving groove 17 can limit the anti-torsion The possibility of film 2 displacement further enhances the durability of this creation.

The material of the anti-torsion sheet can be glass fiber, iron, nylon elastomer, TPU (thermoplastic polyurethane-unfoamed), and the hardness of the above-mentioned materials is higher than that of thermoplastic polyurethane, which is quite suitable as the known material of the anti-torsion sheet 2.

As shown in the sixth to the ninth figures, this is the third embodiment of the creation, in which the oil-proof and anti-static shoe sole 1 includes a middle back sheet 3 and a large back sheet 4 connected, and the top surface 11 is located in the middle The top of the bottom sheet 3, and the bottom surface 12 is located at the bottom of the large bottom sheet 4. This structure provides another oil-proof and anti-static shoe sole 1.

The middle film 3 and the large film 4 are integrally formed and combined through a hot melt adhesive film 8 to reduce processing procedures.

As shown in Figs. 6-9, the large base sheet 4 has at least one perforation 41, the middle base sheet protrudes toward the at least one perforation 41 with a convex portion 31, and the end of the convex portion 31 is at least flush with the bottom surface 12 Flat, the number of perforations 41 and protrusions 31 can be changed according to the design. This embodiment takes two perforations 41 and two protrusions 31 as an example. The purpose of this structure is to mix the antistatic agent 7 with the middle plate 3 only. It can effectively reduce production costs. To achieve this goal, the end of the convex portion 31 protrudes at least to be flush with the bottom surface 12. In this embodiment, since the bottom surface 12 has a shoe pattern 5 protruding outward, the convex portion 31 and Shoe pattern 5 flush as an example.

As shown in the first, second, third, fourth, sixth, and seventh diagrams of the drawings of each embodiment, the central portion 15 and the heel portion 16 protrude outwardly, so that the peripheral side 13 corresponds to the heel portion 16, the center The position of the portion 15 is divided into an upward sloping area 131 and a downward sloping area 132. The upward sloping area 131 gradually slopes inward toward the top surface 11, and the downward sloping area 132 gradually slopes inward toward the bottom surface 12. , This structure will produce a pointed section 6, because the line of sight is difficult to see back when walking, so the sides from the central part 15 to the heel 16 are easier to rub and wear, and the design of the pointed section 6 is compared to flat , Can effectively reduce the amount of abrasion during collision, so as to improve the durability of this creation.

1: Anti-oil and anti-static sole 11: top surface 12: Bottom 13: Zhou side 131: Upslope 132: Downslope 14: Tip 15: Central 16: heel 17: Film slot 2: Anti-torsion piece 3: mid film 31: Convex 4: Large negative 41: Piercing 5: shoe pattern 6: Tip 7: Antistatic agent 8: Hot melt adhesive film

The first figure is a three-dimensional schematic diagram of the first embodiment of the creation. The first A is a schematic diagram of the IA-IA cross-section in the first figure. The second figure is another perspective view of the creation of the first embodiment. The third figure is a three-dimensional schematic diagram of the second embodiment of the creation. The fourth figure is another perspective view of the creation of the second embodiment. The fifth figure is an exploded schematic diagram of the second embodiment of the creation. The sixth figure is a three-dimensional schematic diagram of the third embodiment of the creation. The seventh figure is another perspective view of the third embodiment of the creation. The eighth figure is an exploded schematic diagram of the third embodiment of the creation. The ninth figure is a schematic diagram of the section IX-IX of the sixth figure.

1: Anti-oil and anti-static sole

11: top surface

131: Upslope

132: Downslope

13: Zhou side

14: Tip

15: Central

16: heel

6: Tip

Claims (9)

An oil-proof and anti-static shoe sole, in which: The oil-proof and anti-static shoe sole has a top surface, a bottom surface, and a peripheral side connecting the top surface and the bottom surface, and the oil-proof and anti-static shoe sole contains foamed thermoplastic polyurethane formed by foaming, and the foamed thermoplastic polyurethane is mixed There are antistatic agents. The oil-proof and anti-static shoe sole according to claim 1, wherein the oil-proof and anti-static shoe sole has a tip portion, a central portion, and a heel portion, wherein the central portion is connected between the tip portion and the heel portion, and The central portion is provided with an anti-torsion piece, and the opposite ends of the anti-torsion piece respectively face the tip portion and the heel portion. The tip portion, the central portion, and the top side of the heel portion are connected to form the top surface, and the tip portion The bottom side of the central part and the heel part are connected to form the bottom surface. The oil-proof and anti-static shoe sole according to claim 1, wherein the top surface is recessed in a central portion with a sheet-placement groove, and the anti-torsion sheet is located in the sheet-placement groove. The oil-proof and anti-static shoe sole according to claim 2 or 3, wherein the material of the anti-torsion sheet can be glass fiber, iron, nylon elastomer, TPU. The oil-proof and anti-static shoe sole according to claim 1, wherein the oil-proof and anti-static shoe sole includes a middle bottom sheet and a large bottom sheet that are connected, the top surface is located on the top of the middle bottom sheet, and the bottom surface is located on the bottom of the large bottom sheet. The oil-proof and anti-static shoe sole according to claim 5, wherein the midsole and the outsole are integrally formed and combined through a hot melt adhesive film. The oil-proof and anti-static shoe sole according to claim 5, wherein the large bottom sheet has at least one perforation, the midsole sheet protrudes a convex portion toward the at least one perforation, and the end of the convex portion is at least flush with the bottom surface. The oil-proof and anti-static shoe sole according to claim 2, wherein the central part and the outer side of the heel protrude outward, so that the peripheral side corresponds to the heel and the central part is divided into an upward and downward sloping area. The upward sloping area gradually slopes inward toward the top surface, and the downward sloping area gradually slopes inward toward the bottom surface. The oil-proof and anti-static shoe sole described in claim 1, wherein the oil-proof and anti-static shoe sole has a density of 0.1~0.3g/cm ³ , a hardness of 40~65C, and a resistance value of 10 ⁶ Ω~10 ⁸ Ω , The oil-proof effect is: IRM 903 oil <5%, Fuel B <15%, 2, 2,4 Trimethylpentane <10%.

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