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US 2012/0058849 A1Published application
Friction drive belt and manufacturing method thereof
AssigneeBando Chemical Industries, Ltd.
InventorKeisuke Yoshida
Life of this patent
Estimating the term…
Abstract
In a friction drive belt (B), a belt body (10) made of a rubber composition is wrapped around pulleys to transmit power. A powder layer (16) is combined and integrated with a pulley contact-side surface of the belt body (10) located on a side that is to contact the pulleys, so that the powder layer (16) covers the pulley contact-side surface.
Claims17
1-15. (canceled)
A friction drive belt, comprising:
- a belt body that is made of a rubber composition and is wrapped around pulleys to transmit power;
- and
- a powder layer is combined and integrated with a pulley contact-side surface of the belt body so that the powder layer covers the pulley contact-side surface.
A friction drive belt, comprising:
- a belt body that is made of a rubber composition and is wrapped around pulleys to transmit power, wherein
- the friction drive belt is manufactured by providing a layer of powder by spraying, in advance, powder to a molding surface of a belt forming mold which is configured to form a pulley contact-side portion, pressing against the molding surface an uncrosslinked rubber composition configured to form the belt, and thus crosslinking the uncrosslinked rubber composition.
A method for manufacturing a friction drive belt, comprising:
- pressing an uncrosslinked rubber composition configured to form the belt, against a molding surface of a belt forming mold which is configured to form a pulley contact-side portion, and thus crosslinking the uncrosslinked rubber composition;
- and
- before pressing against the molding surface of the belt forming mold the uncrosslinked rubber composition configured to form the belt, providing a layer of powder by spraying, in advance, powder to the molding surface of the belt forming mold.
Dependencies are inferred from the claim text.