V-ribbed belt

Endless belt power transmission systems or components – Friction drive belt – Including discrete embedded fibers

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F16G 508

Patent

active

052500101

ABSTRACT:
A power transmission belt having a length and a lateral extent. The belt consists of a tension layer and a compression layer with the compression layer defined at least partially by acrylonitrile-butadiene copolymer rubber (hydrogenated nitrile rubber), having at least an 80% hydrogen addition rate, and a plurality of substantially laterally oriented fibers in the acrylonitrile-butadiene copolymer rubber in the compression layer. The fibers are treated with one of resorcin-formalin-nitrile rubber latex (RFL) and resorcin-formalin-hydrogenated nitrile rubber latex (RFL) having at least an 80% hydrogen addition rate.

REFERENCES:
patent: 3404578 (1968-10-01), Koch
patent: 4127039 (1978-11-01), Hollaway
patent: 4137787 (1979-02-01), Waugh
patent: 4299587 (1981-11-01), Imamura
patent: 4434019 (1984-02-01), Hollaway
patent: 4504258 (1985-03-01), Tanaka
patent: 4555241 (1985-11-01), Takano et al.
patent: 4643938 (1987-02-01), Oyama
patent: 4721496 (1988-01-01), Yokoyama
patent: 4740192 (1988-04-01), Mashimo
patent: 4798566 (1989-01-01), Sedlacek

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