Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1991-01-07
1992-04-28
Olszewski, Robert P.
Conveyors: power-driven
Conveyor section
Endless conveyor
198821, B65G 1540
Patent
active
051079836
ABSTRACT:
This invention relates to an endless fold-over type of conveyor belt for use in conveying relatively-loose bulk material in an enclosed manner to prevent spillage, dusting and contamination of the material and allows belt to operate at steep angles. The belt comprises essentially a rectangular uniform cross-sectional shape having a substantially greater width than thickness. Two similar series of plural closely-spaced longitudinal grooves are located on the load-carrying side of the belt spaced on both sides of the belt medial portion to provide a pair of hinged areas for folding and unfolding the belt. The longitudinal grooves preferably are V-shaped or U-shaped and two to four in number, spaced in an individual array at about one-quarter the belt width from its edges to provide a pair of overlapping edge flaps to cover the medial area when in folded relation.
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Belt Conveyors and Belt Elevators, pp. 16-19, Frederic V. Hetzel, M.E., 1922.
Bidwell James R.
Harrison Handling, Inc.
Olszewski Robert P.
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