B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
B65G 17/08 (2006.01) B65G 17/34 (2006.01) B65G 17/46 (2006.01)
Patent
CA 2135847
A plastic conveyor belt system provides high frictional surface contact between the conveyor work surface and the load carried by the conveyor. This is achieved by modular belt links integrally formed of two diverse plastic materials such as a low friction polypropylene and a high friction elastomer thermoplastic rubber. Typically a belt modular link having a planar load support area 12 disposed in its lower forming mold piece 21 with an upper mold piece 22 removed to expose the planar area 12. Then a further mold piece 23 is mated with the lower mold piece 21 to integrally join by thermal bonding the two diverse materials producing on the planar link load bearing surface area an elastomer strip 16, 19 with an outer patterned surface for encountering the belt load. The modular belt links are coupled in a belt array to dispose paths 40, 42 along the length of the belt upper and lower surfaces where a belt supporting member 31, 33, 45, 46 frictionally encounters the low friction plastic material.
Carbone John J.
Lapeyre Robert S.
Blake Cassels & Graydon Llp
Laitram L.l.c.
The Laitram Corporation
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