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Patent Searching and Data


Title:
METHOD FOR PRODUCING TRANSMISSION BELT AND TRANSMISSION BELT
Document Type and Number:
Japanese Patent JP2008213145
Kind Code:
A
Abstract:

To provide a method for producing a transmission belt in which short fibers are transplanted on a belt transmission surface and exposed to reduce noise during belt traveling, and a rib surface is molded flatly to improve belt durability, and the transmission belt.

A rubber sleeve 24 the surface of which is coated with an implantation layer 26 is arranged between an inner mold 41 fitted with a flexible jacket 42 and an outer mold 46 with a mold part 45 engraved on the inner circumference surface. A premolding 21 is manufactured to adhere the rubber sleeve 24 to the engraved mold part 45 of the outer mold by expanding the flexible jacket 42. Another sleeve 25 with at least a core wire wound onto the flexible jacket 42 surface of the inner mold separated from the outer mold 46 is manufactured. The inner mold 41 is set in the outer mold 46. The flexible jacket 42 is expanded, and the sleeve 25 is vulcanized integrally with the premolding 21. Air in the mold is extracted outside the mold through the implantation layer 26 keeping permeability. Demolding is carried out, and a vulcanized belt sleeve with a shaped part is manufactured.


Inventors:
HARA HIROTAKA
KITAMURA EISUKE
Application Number:
JP2007047177A
Publication Date:
September 18, 2008
Filing Date:
February 27, 2007
Export Citation:
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Assignee:
MITSUBOSHI BELTING LTD
International Classes:
B29D29/08; F16G5/00; F16G5/20