Tubular belt conveyor

Details Tubular belt conveyor Tubular belt conveyor

1985-02-25

1986-12-02

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Endless conveyor

B65G 1508, B65G 1540, B65G 3912

Patent

active

046258604

ABSTRACT:
A tubular belt conveyor has an endless belt having a substantially flat cross-section with constant thickness over the breadth thereof. The belt is deformed over its breadth in a curved fashion such that the longitudinal side edges of one surface are brought into abutment with each other thus forming a tube, with the adjacent edges constituting a longitudinal lug projecting radially outwardly from the tube portion. The lug is clamped and held on both sides by a pair of guide rollers and pressed at its radially outer end surface by a pressing roller. The tubular form of the belt is maintained by a plurality of tube-forming rollers surrounding the tube portion of the belt. The flat belt is easy to produce and can be coiled in a compact manner for easy packaging. Local wear of the belt due to contact with the axial end edges of the pulley is avoided because the pulley at each end of the conveyor may have an axial length greater than the breadth of the belt, because of the flat cross-section of the belt.

REFERENCES:
patent: 2688394 (1954-09-01), Hurd et al.
patent: 3338383 (1967-08-01), Hashimoto
patent: 3429422 (1969-02-01), Yoshimura
patent: 4402395 (1983-09-01), Hashimoto
patent: 4410082 (1983-10-01), McGinnis
patent: 4526272 (1985-07-01), Peterson

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