Durable belt device

Details Durable belt device Durable belt device

B - Operations, Transporting

65

G

B65G 15/34 (2006.01) B29D 29/06 (2006.01) B32B 5/06 (2006.01) B32B 25/10 (2006.01)

Patent

CA 2466968

A durable belt device (20) includes an outer layer (30) made out of a rubber based material and an inner layer (40) that includes at least one reinforcing ply (41) of tear-resistant scrim fabric located between opposed surfaces (45, 46) thereof and a multiplicity of needle fibers (44) that run substantially transversely and perpendicularly through the reinforcing ply (41) and protrude out from at least one surface (45) of the inner layer (40). A bonding agent (50) forms an intermediate layer (22) that secures the outer layer (30) to one surface (45) of the inner layer (30) such that the fibers (44) at least partially extend into the intermediate layer (22).

L'invention concerne un dispositif de courroie durable (20) comprenant une couche extérieure (30), constituée de matériau caoutchouteux, et une couche intérieure (40), comprenant au moins une couche renforçante (41) de canevas léger, indémaillable, disposé entre deux surfaces opposées (45, 46) de la couche intérieure, et une multiplicité de points de couture (44) courant sensiblement de façon perpendiculaire et transversale à travers la couche renforçante (41) et sortant au moins par une surface (45) de la couche intérieure (40). Un agent liant (50) forme une couche intermédiaire (22) permettant de fixer la couche extérieure (30) à une surface (45) de la couche intérieure (30) de façon que les points de couture (44) s'étendent, au moins partiellement, dans la couche intermédiaire (22).

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