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公开(公告)号：US11668371B2
公开(公告)日：2023-06-06
申请号：US16329289
申请日：2017-08-25
IPC分类号： F16G5/20 , F16G5/06 , F16G5/08 , F16G5/00 , F16H7/02 , C08L71/02 , C08L23/08 , B32B3/30 , B32B25/04
CPC分类号： F16G5/20 , B32B3/30 , B32B25/04 , C08L23/08 , C08L71/02 , F16G5/00 , F16G5/06 , F16G5/08 , F16H7/02 , B32B2433/04
摘要： A V-ribbed belt has a plurality of V-rib portions extending along a longitudinal direction of the belt and in parallel with one another. The V-ribbed belt includes a compression rubber layer including a frictional power transmission face at least a part of which is configured to come in contact with a V-rib groove portion of pulleys. The frictional power transmission face of the compression rubber layer is formed from a vulcanizate of a rubber composition containing a rubber component and a noise suppression improver. A V-rib angle of the V-rib portions is larger than a V-rib groove angle of the pulleys by 5° to 9°.
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公开(公告)号：US20190219134A1
公开(公告)日：2019-07-18
申请号：US16329289
申请日：2017-08-25
CPC分类号： F16G5/20 , B32B3/30 , B32B25/04 , B32B2433/04 , C08L23/08 , C08L71/02 , F16G5/00 , F16G5/06 , F16G5/08 , F16H7/02
摘要： A V-ribbed belt has a plurality of V-rib portions extending along a longitudinal direction of the belt and in parallel with one another. The V-ribbed belt includes a compression rubber layer including a frictional power transmission face at least a part of which is configured to come in contact with a V-rib groove portion of pulleys. The frictional power transmission face of the compression rubber layer is formed from a vulcanizate of a rubber composition containing a rubber component and a noise suppression improver. A V-rib angle of the V-rib portions is larger than a V-rib groove angle of the pulleys by 5° to 9°.
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