Power transmission belt

Details Power transmission belt Power transmission belt

F - Mech Eng,Light,Heat,Weapons

16

G

F16G 5/14 (2006.01) F16G 1/08 (2006.01)

Patent

CA 2707489

A power transmission belt comprising cord, elastomeric undercord, at least one pair of opposing v-shaped pulley contact surfaces, and having discontinuous fiber embedded in the undercord, some of which protrude from a contact surface. The fiber comprises deformable polymer, such as nylon, and the fiber protrusions are substantially erect with respect to the surface and substantially straight or slightly bowed, especially near the free end, and the fiber protrusions are deformed from an original cross-sectional shape, which may be substantially round or oval or the like, to an elongated, oval, oblong, kidney, or flattened circle shape. The protruding fiber length is at least two fiber diameters.

L'invention porte sur une courroie de transmission qui comporte un câble, une couche face interne élastomère, au moins une paire de surfaces de contact de poulie opposées en forme de V, et qui présente une fibre discontinue noyée dans la couche face interne, certaines de celles-ci faisant saillie à partir d'une surface de contact. La fibre comporte un polymère déformable, tel que le nylon, et les saillies de fibre sont sensiblement érigées par rapport à la surface et sensiblement droites ou légèrement incurvées, en particulier près de l'extrémité libre, et les saillies de fibre sont déformées par rapport à une forme de section transversale originale, qui peut être sensiblement ronde ou ovale ou autre, en une forme allongée, ovale, oblongue, en haricot ou en cercle aplati. La longueur de fibre saillante est d'au moins deux diamètres de fibre.

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