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Flat transmission belt

  • US 20090029818A1
  • Filed: 05/15/2006
  • Published: 01/29/2009
  • Est. Priority Date: 05/16/2005
  • Status: Abandoned Application
First Claim
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1. :

  • A flat transmission belt, the transmission belt having a first cover rubber layer and a second cover rubber layer on a side of the flat transmission belt opposite to the side on which the first cover rubber layer is formed, and is wound between driving and driven pulleys when in use, wherein the first cover rubber layer and the second cover rubber layer are respectively formed of rubber materials that are of the same kind but differ in mixing ratio of the components thereof; and

    the first cover rubber layer, which contacts a smaller number of the driving and driven pulleys, has an extension ratio higher than the extension ratio of the second cover rubber layer, which contacts a larger number of the driving and driven pulleys.

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