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Resin belt

A resin, fluororesin technology, used in transmission belts, belts/chains/gears, textiles, etc., can solve the problems of inability to use oil or wax, weakened effect, lack of versatility, etc., to achieve excellent wear resistance, excellent formability, Excellent sliding effect

Active Publication Date: 2019-12-27
NOK CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) The method of applying lubricant, even if the initial effect can be obtained, the effect will weaken over time, so maintenance such as regular application of lubricant is required, which is not preferable
In addition, oil or wax cannot be used depending on the purpose of use of the belt and the objects to be transported by the belt, so it lacks versatility.
[0004] In addition, (2) the method of covering the nylon cloth, and (3) the method of using a low-friction material for the belt body, in many cases, a particularly large effect cannot be expected when sliding at high speed and under a high load.

Method used

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  • Resin belt
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Examples

Experimental program
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Effect test

Embodiment 1

[0090] 1. Production with main body

[0091] A belt body having a back surface and teeth is formed using a T5 trapezoidal tooth profile described in standard DIN 7721. The belt body is made of polyurethane. In the belt main body, a plurality of tooth portions are formed at predetermined intervals along the longitudinal direction on the running surface.

[0092] 2. Production of tooth cloth

[0093] A 6,6 nylon fiber of 78 dtex (91 μm in diameter) was used as a thermoplastic synthetic resin fiber, and wool yarn was obtained by a known technique. In addition, as the fluororesin fiber, polytetrafluoroethylene (PTFE) fiber of 440 dtex (156 μm in diameter) was used.

[0094] With the above-mentioned 6,6 nylon spinning wool yarn as warp yarn and PTFE fiber as weft yarn, weave with warp yarn density: 86 yarns / inch (2.54cm), weft yarn density: 66 yarns / inch (2.54cm) 2 / 1 twill weave, Get tooth cloth. The ratio of PTFE fibers exposed on one surface of the resulting tooth cloth is 3...

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Abstract

The purpose of the present invention is to provide a resin belt which has excellent abrasion resistance, excellent slidability when sliding at high speed under high load, and excellent formability suitable for extrusion molding. This purpose is met by a resin belt 1 having multiple teeth 3 arranged at a prescribed interval in the length direction on a travel surface of a belt main body 2 formed from a thermoplastic resin, said teeth being covered by a tooth cloth 5, characterized in that the tooth cloth 5 is a fabric that uses thermoplastic synthetic resin fibers as warp fibers in the belt length direction and fluororesin fibers as weft fibers in the belt width direction and that is formed by weaving said warp and weft fibers, and in that the ratio of fluororesin fibers exposed on the tooth surface-side of the teeth 3 is greater than or equal to 50% by unit surface area, and the ratio of fluororesin fibers exposed on the surface of the teeth 3 bonded to the belt main body is less thanor equal to 50%.

Description

technical field [0001] The present invention relates to a resin belt, and more specifically, to a resin belt having improved abrasion resistance, sliding properties, and moldability. Background technique [0002] Conventionally, methods for preventing abrasion of belts and timing belts used in conveying systems such as factory production / transportation / assembly lines include: (1) methods of applying lubricants such as oil or wax; tooth surface, back surface) a method of integrally molding a cloth made of a material with good sliding properties such as nylon, (3) a method of using a low-friction material as the forming material of the belt body, etc. [0003] (1) The method of applying a lubricant, even if the initial effect can be obtained, the effect will be weakened over time, so maintenance such as regular application of a lubricant is required, which is not preferable. In addition, oil or wax may not be used depending on the purpose of use of the belt or the object to b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16G1/28D03D1/00D03D13/00D03D15/10F16G1/14D03D15/58
CPCF16G1/28F16G1/10F16G1/16D03D15/58D03D1/0094D03D13/004D03D13/008D10B2331/02D10B2321/042D03D15/283F16G1/14D03D13/00F16G1/04
Inventor 金子健牛岛慎二曹志丹原田大服部恭弘
Owner NOK CORP