Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1988-06-02
1989-10-31
Spar, Robert J.
Conveyors: power-driven
Conveyor section
Endless conveyor
428257, 474267, B65G 1534
Patent
active
048771260
ABSTRACT:
Filte restproof conveyor belt, which has a high strength, and is particularly suitable for use in coal mines. It includes a matrix of, e.g. rubber having incorporated therein at least one layer of reinforcement fabric extending parallel to the supporting surface and the tread of the belt, the warp of the fabric extending in the longitudinal direction of the belt and including both polyamide and polyester filaments. Filtertestproof qualities are imparted to the belt by using aramid filaments as polyamide warp filaments, and by weaving the fabric in such a way that the yarn-in-fabric take-up of the aramid warp yarns, cords or cables is higher than that of the polyester warp yarns, cords or cables.
REFERENCES:
patent: 3944060 (1976-03-01), Hartmann
patent: 4569883 (1986-02-01), Renjilian
patent: 4647495 (1987-03-01), Kanayama et al.
Kopmels Pieter J. M.
ter Burg Antonius W. M.
van Calker Freerk R.
Akzo NV
Bidwell James R.
Spar Robert J.
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