Elastic articles with coverings, especially drive belts
A technology for coverings and products, applied in the direction of transmission belts, belts/chains/gears, belts, etc., can solve problems such as insufficient noise behavior, insufficient bending flexibility, molding problems, etc., and achieve the effect of improving wear protection and ensuring wear protection
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[0057] The invention will now be explained by means of an exemplary embodiment with reference to the schematic drawings.
[0058] The only figure shows a drive belt 1, which is formed as a ribbed V-belt, with a cover layer 2 as the belt back, a reinforcing fabric layer and a substructure 4, the reinforcing fabric layer has a Tensile carriers 3 in the form of individual threads arranged running parallel in the longitudinal direction. The covering layer and the substructure constitute this elastic matrix based on vulcanized rubber, for example based on EPDM. The substructure has a multi-wedged triangular structure consisting of wedges 5 and grooves 6 . The substructure here includes the force transmission region 9 .
[0059] The cover 8 (here only covering the force transmission region 9 and the wedge portion 7 ) consists only of a single-layer LLDPE film. Here, the LLDPE film is applied to the substructure mixture before packaging.
[0060] The tensile carrier 3 is made, fo...
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