Power transmission belt with tubular knit overcord

Details Power transmission belt with tubular knit overcord Power transmission belt with tubular knit overcord

F - Mech Eng,Light,Heat,Weapons

16

G

F16G 5/20 (2006.01) B29D 29/08 (2006.01) F16G 1/06 (2006.01) F16G 1/08 (2006.01) F16G 1/28 (2006.01) F16G 5/06 (2006.01) F16G 5/08 (2006.01)

Patent

CA 2391109

A power transmis- sion belt (11) is disclosed in which the exterior of the overcord section (28) is generally flat in contour and beard an outer seamless tubular knit textile material (15) adhered to an adjacent rubber layer material (17) interposed between the exterior belt back surface and a strain-resisting tensile section (20). The belt is adapted to be run against backside idlers or tensioners with minimized noise generation. A simplified process including use of a tubular knit stretched over and applied to the building drum is disclosed, thereby eliminating convention calendaring and Bannering operations.

L'invention concerne une courroie de transmission de puissance (11), caractérisée en ce que l'extérieur de la section d'armature (28) présente généralement un contour plat et supporte un matériau extérieur tubulaire, textile, tricoté (15), collé sur un matériau adjacent formé d'une couche de caoutchouc (17) interposée entre la surface arrière extérieure de la courroie et une section de résistance à la contrainte (20). Cette courroie est conçue pour se déplacer contre le côté entraînement de rouleaux inférieurs ou rouleaux tendeurs en produisant un bruit minimal. Un procédé simplifié consiste à utiliser le matériau tubulaire tricoté, à l'étirer sur un tambour de fabrication, puis à l'appliquer sur celui-ci, de manière à supprimer ainsi les opérations de calandrage et d'épissage (sur table Banner).

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