B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
400/2010, 198/86
B65G 15/32 (2006.01) B65G 15/36 (2006.01)
Patent
CA 1195641
ABSTRACT OF THE INVENTION This invention relates to conveyor belts, more parti- cularly, this invention relates to conveyor belts suitable for transporting oil sand in open pit mines located in areas which are subject to great changes in atmospheric temperature throughout the year (form about 40°C in summer down to -55°C in winter), which comprises an outer layer made of a cover rubber and provided on the surface kept in contact with oil sand being transported, a second outer layer made of a cover rubber and provided on the back surface kept in contact with conveyor pulleys, a core layer made of a cushioning rubber and integrally incorporating belt reinforcement having a high tensile strength, and at least one intermediate layer made of a crack-resistant rubber and provided between said core layer and each of the two outer layers.
406666
Bando Chemical Industries Limited
Fetherstonhaugh & Co.
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