FRICTION TRANSMISSION BELT AND METHOD FOR MANUFACTURING THE SAME
First Claim
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1. A friction transmission belt comprising:
- a belt body made of a rubber composition and wrapped around pulleys to transmit power,wherein a thermoplastic resin film 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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Abstract
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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Citations
16 Claims
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1. A friction transmission belt comprising:
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a belt body made of a rubber composition and wrapped around pulleys to transmit power, wherein a thermoplastic resin film 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A friction transmission belt comprising:
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a belt body made of a rubber composition and wrapped around pulleys to transmit power, wherein the friction transmission belt is manufactured by spraying, in advance, thermoplastic resin powder particles and friction coefficient reduction powder particles to a molding surface of a belt mold assembly for forming a pulley contact-side part of the friction transmission belt to form a powder layer, and compressing a non-crosslinked rubber composition for belt formation against the powder layer to crosslink the non-crosslinked rubber composition at a molding temperature at which the thermoplastic resin powder particles are melted and at which the friction coefficient reduction powder particles are unmelted.
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12. A method for manufacturing a friction transmission belt including a belt body made of a rubber composition and wrapped around pulleys to transmit power, the method comprising:
spraying, in advance, thermoplastic resin powder particles and friction coefficient reduction powder particles to a molding surface of a belt mold assembly for forming a pulley contact-side part of the friction transmission belt to form a powder layer, and compressing a non-crosslinked rubber composition for belt formation against the powder layer to crosslink the non-crosslinked rubber composition at a molding temperature at which the thermoplastic resin powder particles are melted and at which the friction coefficient reduction powder particles are unmelted. - View Dependent Claims (13, 14, 15, 16)
Specification