Transmission belt and method of manufacturing the same

Endless belt power transmission systems or components – Friction drive belt – Including plural layers of different elastomeric materials

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Details

474237, 474238, 474266, 474268, F16G 104, F16G 500

Patent

active

057795843

ABSTRACT:
A V-ribbed belt applicable to back-face drive includes, as a belt body, an adhesion rubber layer having a rectangular section and extending in the longitudinal direction of the belt, a compression rubber layer disposed on the inner face of the adhesion rubber layer, an upper fabric layer disposed on the back face of the adhesion rubber layer as a peelable layer, and cords disposed within the adhesion rubber layer, and a mark indicating a manufacture lot number and the like is disposed on the back side of the belt body. Specifically, the mark is sandwiched between the adhesion rubber layer and the upper fabric layer. As a result, a level difference derived from the mark on the back side of the belt body is suppressed, so as to prevent a noise in driving the belt. In addition, the mark can be prevented from erasing in driving the belt on its back face. In case of necessity, for example, when it is necessary to pursue a lot, the upper fabric layer can be peeled to confirm the mark.

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