Mitsuboshi Belting Ltd.

Yusuke Suzumegano

Manabu Mitsutomi

Yoshihito Noborikawa

Kazuyo Kojima

Tsuyoshi Takehara

Hiroyuki Kojima

The present invention relates to a power transmission belt containing a frictional power transmission part and a fiber member that covers a surface of the frictional power transmission part, in which the fiber member is formed of a fiber (A) containing a water-absorbent fiber (A) and contains a surfactant, to a fiber member used in the power transmission belt, and to a method for manufacturing the fiber member.

Transmission belt, fiber member therefor, and manufacturing method for fiber member

A frictional power transmission belt includes a frictional power transmission surface in which the frictional power transmission surface is covered with a fibrous member. The fibrous member at least includes water absorptive fibers and an inorganic powder exists in at least a surface of the fibrous member.

Power-transmitting friction belt and method for manufacturing same

A V-ribbed belt contains an extension layer forming a belt back face, a compression layer provided on one side of the extension layer, and a tension member embedded between the extension layer and the compression layer and extending in a belt circumferential length direction. The compression layer has a plurality of V-shaped ribs formed to be extending in the belt circumferential length direction and to be a frictional power transmission surface with a pulley. The frictional power transmission surface is covered with a knitted fabric, in which the knitted fabric is knitted out of a polyester-based composite yarn and a cellulose-based natural spun yarn. The polyester-based composite yarn is a bulky yarn, and a knitting ratio of the cellulose-based natural spun yarn is not less than a knitting ratio of the polyester-based composite yarn.

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Hyogo, Japan

Yusuke Suzumegano