Endless power transmission belt

Details Endless power transmission belt Endless power transmission belt

F - Mech Eng,Light,Heat,Weapons

16

G

F16G 1/28 (2006.01) F16G 5/08 (2006.01) F16G 5/20 (2006.01)

Patent

CA 2434383

This invention provides an improved power transmission belt. With conventional belts it has been found that the use of a single composite layer of fabric with a heavy rubber coating as a barrier results in an excessive splice thickness which will damage the cord when the belt is flexed. The present invention provides in an endless power transmission belt comprising an inner compression section, an outer tension section, and a load-carrying section disposed between said compression and tension sections and having longitudinally extending load-carrying cords; the improvement wherein said load--carrying cords are made of a high modulus material and said belt further comprises a polymeric backing layer disposed outwardly of said tension section and forms the outer surface of said belt, and a fabric layer disposed between said backing layer and said load-carrying cords.

Cette invention concerne une courroie de transmission de puissance comportant une couche d'appui en caoutchouc (19) relativement épaisse qui améliore le contact avec les poulies et augmente la résistance à l'usure. La courroie comporte également un câble relativement inextensible en aramide, en verre ou autre matériau à haut module fixé par une couche de tissu (21, 32, 42, 52).

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