Fold-over conveyor belt

Details Fold-over conveyor belt Fold-over conveyor belt

2006-01-31

2006-01-31

Dillon, Jr., Joe (Department: 3651)

Conveyors: power-driven

Conveyor section

Endless conveyor

C198S818000

Reexamination Certificate

active

06991093

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 the 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 arrays of longitudinal grooves are located on the side of the belt opposite to that carrying the load, the grooves being 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 between one and five grooves may be provided in each 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.

REFERENCES:
patent: 2303762 (1942-12-01), La Rue et al.
patent: 2998121 (1961-08-01), Gilbert
patent: 3615152 (1971-10-01), Bouzat et al.
patent: 3630340 (1971-12-01), Bouzat et al.
patent: 4709806 (1987-12-01), Candle
patent: 4760913 (1988-08-01), Tschantz
patent: 5031753 (1991-07-01), Tschantz
patent: 5107983 (1992-04-01), Tschantz
patent: 6540069 (2003-04-01), Tschantz

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