Plastic conveyor belt with integral sideplate

Details Plastic conveyor belt with integral sideplate Plastic conveyor belt with integral sideplate

B - Operations, Transporting

65

G

B65G 15/30 (2006.01) B65G 15/02 (2006.01) B65G 17/08 (2006.01)

Patent

CA 2093807

A plastic conveyor belt (10) formed of a large number of plastic belt modules (12, 13, 14) includes outer belt modules having integral sideplates (24). The sideplates are of heavier material and higher strength, for withstanding stress around the outside of curves and for withstanding edge wear in certain types of conveyor systems. In a preferred embodiment, each sideplate (24) has a depending guide member (50) which may include a hold down tab (51). In one embodiment, plastic connecting rods (31, 32) which serially connect belt modules are discontinuous in length, made up of several coaxial pieces which are held in place by press fitting at the outer ends. This enables the rod (31, 32) to be of high shear strength in areas of high pulling force, e.g. at the outside of a radius conveyor belt in a curve, but of lower strength extruded construction elsewhere.

Courroie de transporteur en plastique (10) formée de nombreux modules (12, 13, 14), les modules extérieurs comportant des plaques latérales (24) en matériau plus lourd et plus résistant, qui leur confère une plus grande résistance à l'usure et aux tensions dans les courbes extérieures. Dans une variante privilégiée, chacune des plaques latérales (24) comporte un élément de guidage (50), qui peut ou non comporter une patte de fixation (51). Dans une variante, les modules sont reliés par des tiges en plastique (31, 32) formées de plusieurs tronçons coaxiaux maintenus ensemble par des éléments d'extrémité à pression. Ces dispositions constructives permettent de prévoir des tronçons ayant une grande résistance au cisaillement dans les zones soumises à des forces de traction importantes, par exemple dans les courbes extérieures, et des tronçons de résistance moins grande dans les zones soumises à des efforts moins importants.

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