Steel cable conveyor belt with improved penetration and rip resi

Details Steel cable conveyor belt with improved penetration and rip resi Steel cable conveyor belt with improved penetration and rip resi

1995-07-12

1997-03-11

Bidwell, James R.

Conveyors: power-driven

Conveyor section

Endless conveyor

B65G 1534

Patent

active

056092423

ABSTRACT:
A steel wire or cable conveyor belt with improved penetration and rip resistance is made by plying up a series of rubberized longitudinal steel cables or wires to give a core, placing a ply of rubberized woven fabric such as polyaramide or nylon over the core, such as a tire breaker ply or plies over the core, then a ply of rubberized closely placed, essentially in contact wire, preferably of heavy tire ply cable, such as an earth mover ply, cut to cover the core in transverse direction to allow the steel wire or cable to be positioned perpendicular over the longitudinal steel wire or cable, apply a cover stock ply over the transversely positioned short wire or cable. The underside of the longitudinal steel wire or cable core has a rubberized woven fabric positioned there beneath and a rubberized pulley ply beneath the woven fabric ply. The plied up belt is cured with pressure and heat to adhere the plies together and cure the rubber. The usual belt cure pressure of 200 to 500 psi and temperatures of about 140.degree. C. to about 160.degree. C. for about 30 to about 90 minutes can be used, depending on the curative.

REFERENCES:
patent: 3973670 (1976-08-01), Spaar
patent: 4411947 (1983-10-01), Heynhold
patent: 4650068 (1987-03-01), Vanassche et al.

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