Mitsuboshi Belting Ltd.

Mbl (usa) Corporation

Satoshi Murakami

Kazutoshi Ishida

Takahide Mizuno

Masayoshi Nakajima

Nobutaka Osako

Takeshi Murakami

Yoshiaki Onaka

A method of joining a woven fabric on a power transmission belt and transferring an identifying mark thereon by providing a discrete sheet element with an identifying mark thereon, providing a woven sheet having spaced ends, abutting the spaced ends of the woven sheet to each other, placing the discrete sheet element over the abutted ends of the woven sheet, adhering the discrete sheet element to the abutted ends of the woven sheet, and combining the woven sheet with the discrete sheet element adhered thereto with at least one other component to produce an unvulcanized power transmission belt/belt sleeve, wherein the surface of the power transmission belt defined by the woven sheet is characterized by the absence of any recessed or stepped portions.

Method of joining the ends of a fabric layer on a belt/belt sleeve and

A rubber composition including chloroprene rubber, 1-20 weight parts of at least one metal oxide chosen from the group consisting of zinc oxide and magnesium oxide per 100 weight parts of chloroprene rubber, 0.05-2.0 weight parts of a vulcanization accelerator, such as ethylene thiourea, per 100 weight parts of chloroprene rubber, 0.1-10.0 weight parts, and more preferably 0.5-5.0 weight parts, of bismaleimide per 100 weight parts of chloroprene rubber, and 0.1-3.0 weight parts of at least one vulcanization accelerator chosen from among the group consisting of thiazole vulcanization accelerators, thiuram vulcanization accelerators, and sulfenamide vulcanization accelerators per 100 weight parts of chloroprene rubber.

Rubber composition and belt for a power transmission

A toothed rubber belt has teeth, a rubber back and a core wire imbedded in the rubber back. The core wire has lower twists of about 10.5 to about 13.5 times/10 cm and an upper twist of about 6.5 to about 9.5 times/10 cm. Preferably, the wire core is made of glass having a construction of ECG 150 3/6 to 3/13. The core wire having the specified number of twists improves the physical properties of the belt.

Toothed belt having twisted core wire

A power transmission belt having a belt body with an inside surface and an outside surface, with the belt body having a compression section and a tension section, spaced outside of the compression section. At least a first part of the tension section is defined by a chlorosulfonated polyethylene rubber composition having a chlorine content of 15 to 30% by weight. At least a second part of the compression section is defined by a rubber composition that is different than the rubber composition of the first part.

Growing community of inventors

Kakogawa, Japan

Satoshi Murakami