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US 11,982,336 B2Granted
Friction transmission belt
AssigneeMitsuboshi Belting Ltd.
InventorsMayu Esaka, Yusuke Hemmi, Eyobashenafi Tessema
Life of this patent
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Abstract
A frictional power transmission belt includes a compression rubber layer that includes a frictional power transmission surface at least a part of which can come into contact with a pulley and that is formed of a cured product of a rubber composition. On a surface of the frictional power transmission surface, a surface layer comprising a cured product of a rubber composition containing a polyvinyl pyrrolidone-based resin and an elastomer component is laminated.
Claims8
A frictional power transmission belt comprising:
- a compression rubber layer that comprises a frictional power transmission surface at least a part of which can come into contact with a pulley and that is formed of a cured product of a rubber composition, and
- a surface layer comprising a cured product of a rubber composition comprising a polyvinyl pyrrolidone-based resin and an elastomer component, wherein the surface layer is laminated on a surface of the frictional power transmission surface of the compression rubber layer and is configured to come into contact with the pulley.
Dependencies are inferred from the claim text.