Bando Chemical Industries, Inc.

Keisuke Yoshida

Sungjin Kim

A friction transmission belt has a belt body made of a rubber composition and wrapped around pulleys to transmit power. The belt includes a thermoplastic resin film provided to coat a pulley contact surface of the belt body, and a powder layer comprised of reduced friction coefficient powder particles provided on a surface side of the thermoplastic resin film. The powder layer includes powder particles buried in the thermoplastic resin film, powder particles carried and exposed on the surface of the thermoplastic resin film, and powder particles agglomerated and adhering to the powder particles carried and exposed on the surface of the thermoplastic resin film.

Friction transmission belt and method for fabricating same, and belt transmission system

In order to allow a friction drive belt to have an effect of reducing slip noise produced between the belt and pulleys for a long period even when the belt gets wet with water or suffers from wearing out, a V-ribbed belt B as the friction drive belt includes a belt bodymade of a rubber composition and configured to be wrapped around the pulleys to transmit power. The surfaces of V-shaped ribsserving as a pulley contact-side surface of the belt bodyare covered with a fabric layerwhich is integrated with the surfaces of V-shaped ribs, and the fabric layerretains powderembedded between fibers of the fabric layerand integrally stuck.

Friction drive belt and manufacturing method therefor

A friction transmission belt includes a belt body made of a rubber composition and wrapped around pulleys to transmit power. A thermoplastic resin film(s) adheres to a pulley contact-side surface of the belt body, and friction coefficient reduction powder particles dispersively adhere to the pulley contact-side surface of the belt body.

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Kobe, Japan

Keisuke Yoshida