Tubular belt conveyor

Details Tubular belt conveyor Tubular belt conveyor

1989-05-23

1990-09-25

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Endless conveyor

198840, B65G 1508

Patent

active

049587242

ABSTRACT:
A tubular belt conveyor for carrying granulated materials, materials, etc., in which an endless belt is rolled up into a tube thereby to carry the materials in a wrapped condition is guided through a plurality of belt-retaining rollers mounted to each of supporting frames disposed along the length of the endless belt. The plurality of belt-retaining rollers includes a smooth rollers and at least one circumferentially multi-grooved friction roller at a position of greatest pressure contact with the belt, thereby preventing the belt from being twisted during the operation. The high friction roller is generally positioned at the bottom of the loaded belt in regions of no path direction changes but may be positioned at the top on an unladen belt, or at a point intermediate the top and bottom where the belt undergoes directional changes and the resultant force is directed other than straight down.

REFERENCES:
patent: 4402395 (1973-09-01), Hashimoto
patent: 4585118 (1986-04-01), Plaut

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