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Flat belt

A flat belt, tension belt technology, used in transmission belts, belts/chains/gears, textile cables, etc., can solve problems such as damage to function, soiling, etc.

Inactive Publication Date: 2009-05-20
CONTITECH ANTRIEBSSYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the belt drive is soiled by substances moving back and forth and impairs its function

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Flat strips can be produced according to known methods by extruding TPU onto the tension-carrying layer and subsequently hardening. The wax is preferably mixed with the TPU prior to extrusion. Hydrogenated microcrystalline waxes from Shell AG, sold under the trademark "Shell Compound MW164", are particularly suitable.

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PUM

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Abstract

The invention relates to a flat belt, more particularly a tension belt for a lift system, which has at least one outwardly pointing region composed of a thermoplastic polyurethane elastomer of the polyether type, and a tensionable ply composed of cords. According to the invention the thermoplastic polyurethane elastomer is admixed with one or more isoparaffinic waxes of low oil content, in order to reduce the friction coefficient to a predetermined level.

Description

technical field [0001] The invention relates to a flat belt, in particular a tension belt for a lifting device, having at least one outwardly directed area of ​​a thermoplastic polyurethane elastomer of the polyether type and a tension carrier of a cord layer. Background technique [0002] Flat belts made of polyurethane reinforced with a tension-carrying layer made of metallic or non-metallic cords are used in lifting technology as tension belts or lifting belts. [0003] Belts of this type are described, for example, in WO 99 / 43885 A1 and EP 15 353 087 A1. Devices and methods for producing flat strips made of polyurethane are known from EP 15 353 087 A1 and DE 102 22 015 A1. [0004] Thermoplastic polyurethane elastomers (TPU) as polyurethanes are commonly used in flat belts as polyurethanes, which remain rubber-elastic in the usual temperature range of use, but can be processed like thermoplastics at higher temperatures. The processability of the thermoplastic allows t...

Claims

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Application Information

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IPC IPC(8): C08L75/08F16G1/08
CPCD07B2501/2007D07B5/005C08L75/08D07B1/16B66B7/062D07B1/22D07B5/006C08L91/06
Inventor 斯蒂芬·布罗克胡贝特·格泽
Owner CONTITECH ANTRIEBSSYST