Toothed belt having improved tooth cover fabric

Details Toothed belt having improved tooth cover fabric Toothed belt having improved tooth cover fabric

1987-09-01

1989-05-23

Suchfield, George A.

Endless belt power transmission systems or components

Friction drive belt

Including discrete embedded fibers

474267, 474268, F16G 508

Patent

active

048326739

ABSTRACT:
A toothed belt construction having a tooth cover fabric providing extended useful life of the belt. The cover fabric includes waft fibers extending longitudinally of the belt, having a toughness of at least approximately 30 where the toughness is a function of the square root of the elongation of the weft yarns at break and the strength of the west yarns at break in units of grams per denier. The elongation at break is preferably in the range of approximately 20 to 45%. The strength of the weft yarns at break is preferably at least approximately 6.0 grams per densier. Woolly processed yarns of polyamide fibers have been found to be particularly advantageous in the disclosed construction.

REFERENCES:
patent: 3078206 (1963-02-01), Skura
patent: 4266937 (1981-05-01), Takano
patent: 4276039 (1981-06-01), Takano
patent: 4299587 (1981-11-01), Imamura
patent: 4498891 (1985-02-01), Mashimo et al.
patent: 4721496 (1988-01-01), Yokoyama

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