Chain conveyor track of high-grade and low-grade plastic

Details Chain conveyor track of high-grade and low-grade plastic Chain conveyor track of high-grade and low-grade plastic

1997-02-14

2000-07-11

Olszewski, Robert P.

Conveyors: power-driven

Conveyor section

Endless conveyor

198805, 198831, B65G 2122, B65G 1708, B65G 1740, B29C 3910

Patent

active

060858966

ABSTRACT:
Upper part and return part of a bend segment for a chain conveyor provided with a conveyor chain movable over a track with at least one bend zone, which bend segment consists of at least one substantially U-shaped element made of plastic, which element comprises two legs forming the rails which the chain can move over or in, respectively, as well as a connecting portion connecting the legs of the element with each other, and which chain is provided with links each provided with a substantially rectangular bearing surface and a connection system situated under the bearing surface, wherein at least the portion of the legs of the bend segment that forms the guide for the bearing surfaces and connection systems of the chain links is manufactured from a first, high-grade type of plastic material, and the residual portion, if any, of the legs and the connecting portion are manufactured from at least a second, cheaper type of plastic material, for instance a recycled plastic material.

REFERENCES:
patent: 4164283 (1979-08-01), Flajnik
patent: 4643298 (1987-02-01), Wallaart
patent: 4981207 (1991-01-01), Kuikka
patent: 5127515 (1992-07-01), Damkjaer
patent: 5165527 (1992-11-01), Garbagnati
patent: 5199551 (1993-04-01), Wallaart et al.

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