Power transmission belt and method for fabricating the same
AssigneeBando Chemical Industries, Ltd.
InventorsKazuyoshi Tani, Koji Watanabe, Yoshitaka Kurose
Life of this patent
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Abstract
Extruded sections of synthetic fibers extruded from a side face of each rib in a V-ribbed belt are plastically deformed in the shape of sectors gradually broadened toward their distal ends. The extruded sections of the synthetic fibers are not heated beyond their melting point during a grinding process so as to be kept unmelted. The extruded sections of the synthetic fibers are raised from the side face of the rib so that microscopic unevenness is formed over the side face of the rib. The synthetic fiber is formed of nylon with a filament diameter of 20 μm or more.
Claims3
A method for fabricating a power transmission belt in which some of a crowd of non-aramid synthetic fibers are extruded from a surface of a compression rubber, the method comprising:
- the step of grinding the compression rubber into which the crowd of non-aramid synthetic fibers are mixed in a manner to be oriented in a given direction with a grinding wheel having super abrasives extruded for 50 to 95% in grain size thereof from the surface of the grinding wheel.
A method for fabricating a power transmission belt in which some of a crowd of non-aramid synthetic fibers are extruded from a surface of a compression rubber, the method comprising:
- the step of grinding the compression rubber into which the crowd of non-aramid synthetic fibers are mixed in a manner to be oriented in a given direction with a grinding wheel having super abrasives the density of which is 3.5 and 55%.
A method for fabricating a power transmission belt in which some of a crowd of non-aramid synthetic fibers are extruded from a surface of a compression rubber, the method comprising:
- the step of grinding the compression rubber into which the crowd of non-aramid synthetic fibers are mixed in a manner to be oriented in a given direction with a grinding wheel having super abrasives which are each extruded for 50 to 95% of grain size thereof from the surface of the grinding wheel and the density of which is 3.5 to 55%.
Dependencies are inferred from the claim text.