V-belt, belt sleeve and process

Details V-belt, belt sleeve and process V-belt, belt sleeve and process

B - Operations, Transporting

29

H

18/1006

B29H 7/22 (1980.01)

Patent

CA 1131427

Abstract of the Disclosure A cured and inverted V-belt sleeve having several spaced circumferential V-grooves that bound oversized V-belt side portions of inverted V-belts is provided by fabricating a belt sleeve with tensile member interpositioned between inner and outer uncured elastomeric layers, skiving circumferential strips of elastomeric material from the outer layer, and molding and curing the skived belt sleeve. Portions of the molded V- sides are then removed by grinding to define raw V-sidewall portions having predetermined spacing. Individual coverless or "raw edge" V-belts or V-belts banded together at their top surfaces are provided with an optional molded circumferential depression that forms an arch in the belt bottom surfaces and juxtaposed embedded reinforcements. Individual belts are provided by severing circumferentially along the grooves. According to this process the amount of cured cord therefore unreprocessable elastomer which has to be removed is greatly reduced.

347775

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