Canvas-rubber complex, V-ribbed belt using it and method of prod

Endless belt power transmission systems or components – Friction drive belt – Including embedded elongated strand having multiple...

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F16G 100

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active

054176190

ABSTRACT:
A canvas-rubber complex provided on an upper face of a tension rubber on a back side of V-ribbed belt is composed of a covering canvas, impregnation rubber with which the covering canvas is impregnated, an outer rubber layer which is applied to a first face of the covering canvas which is located on the back face's side of the belt, an inner rubber layer which is applied to a second face of the covering canvas which is the back of the first face, and an adhesion rubber layer disposed on a side of the inner rubber layer for adhering the canvas-rubber complex to the upper face of the tension rubber. Among the rubber elements excepting the adhesion rubber layer, at least the outer rubber layer is formed of a rubber composition including as main ingredients thereof CR polymer, hard carbon and conductive carbon.

REFERENCES:
patent: 3563103 (1971-02-01), Sauer
patent: 4031761 (1977-06-01), Fisher et al.
patent: 4642082 (1987-02-01), Mashimo et al.
patent: 5120280 (1992-06-01), Mizuno et al.
patent: 5232400 (1993-08-01), Kanamori et al.

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