Tubular belt conveyor

Details Tubular belt conveyor Tubular belt conveyor

1987-11-25

1989-03-07

Spar, Robert J.

Conveyors: power-driven

Conveyor section

Endless conveyor

198825, 198842, B65G 1508

Patent

active

048098442

ABSTRACT:
A tubular belt conveyor can transport powdered or granular material without leakage. To roll up a flat belt into a tubular shape, a belt guiding device is provided in the vicinity of a front or a rear end roller. The belt guiding device comprises a base plate and a plurality of guide frames provided on the base plate. In the guide frame, a plurality of guide rollers are arranged like a circle through which the belt to be rolled up passes. The diameter of the circle formed by the guide rollers increases gradually towards the front or the rear end roller to prevent the belt from slacking so that smooth running may be assured.

REFERENCES:
patent: 3332537 (1967-07-01), Davidson
patent: 3338383 (1967-08-01), Hashimoto
patent: 3429422 (1969-02-01), Yoshimura
patent: 3586156 (1971-07-01), Easley, Jr.
patent: 3595378 (1971-07-01), Kamisaka
patent: 4402395 (1983-09-01), Hashimoto
patent: 4565285 (1986-01-01), Koistinen
patent: 4625860 (1986-12-01), Kawasaki et al.
patent: 4630726 (1986-12-01), Hashimoto
patent: 4653961 (1987-05-01), Hashimoto
patent: 4681214 (1987-07-01), Karpisek
patent: 4723653 (1988-02-01), Engst
patent: 4762221 (1988-08-01), Hashimoto et al.

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