Stretchable load-retaining conveyor belt

Details Stretchable load-retaining conveyor belt Stretchable load-retaining conveyor belt

1982-07-19

1983-10-18

Nase, Jeffrey V.

Conveyors: power-driven

Conveyor section

Endless conveyor

198821, 198847, 198819, 428 77, 428113, B65G 1508, B65G 1534

Patent

active

044100825

ABSTRACT:
A conveyor belt of stretchable elastomeric material reinforced by layers of cords which permit an initial stretching of the belt at installation of at least 3 percent. Reinforcing cords are positioned in the belt elastomeric material to generate transverse forces during stretching of the belt which results in the interaction of the material of the belt with the cords. This interaction causes the edge portions of the belt to curl upwardly and form load-retaining walls at the edges. The belt may have a bottom stretchable portion which is reinforced to resist outside transverse forces resulting from the passage of the belt around a curve. A top stretchable portion of the belt has edge portions which bend upwardly to form the load-retaining walls. The edge portions of the belt may curl sufficiently to bring the edges together and they may be connected for enclosing the load on the belt surface.

REFERENCES:
patent: 885955 (1908-04-01), Reddaway
patent: 3212627 (1965-10-01), Beebee
patent: 3469676 (1969-09-01), Wheeler
patent: 3615152 (1971-10-01), Bouzat et al.
patent: 4061223 (1977-12-01), McGinnis
patent: 4106613 (1978-08-01), Thomson

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