Fire-resistant conveyor belt for underground mining made of elas

Details Fire-resistant conveyor belt for underground mining made of elas Fire-resistant conveyor belt for underground mining made of elas

1991-05-03

1992-06-09

Bell, James J.

Conveyors: power-driven

Conveyor section

Endless conveyor

198846, 428244, 428246, 428250, 428920, B65G 1534

Patent

active

051199270

ABSTRACT:
A conveyor belt for underground mining that is reinforced by reinforcement layers and is equipped with wear-resistant cover layers made from an elastomeric material is provided. The elastomeric cover layers are comprised of a halogen-free rubber mixture, a main component of which is ethylene vinyl acetate rubber (EVM), and aluminum hydroxide as a fire-proofing agent. In order to achieve a high fire-resistance while at the same time providing a good processability of the rubber mixture, the rubber mixture contains a small amount of stearyl amine. Thereby a calenderable rubber mixture is obtained which is characterized by a reduced stickiness to the calender rolls.

REFERENCES:
patent: 4243576 (1981-01-01), Fischer et al.
patent: 4397974 (1983-08-01), Goyert et al.
patent: 4444917 (1984-04-01), Grube et al.
patent: 4705161 (1987-11-01), Gozdeff
Dr.-Ing. Herbert Hentschel, Robert Wingenbach "Flammwidrige Ausrustung mittels Aluminiumhydroxide", Nov. 1978, 863-5.

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