Polymeric composite discharge chutes for concrete having a wear

Details Polymeric composite discharge chutes for concrete having a wear Polymeric composite discharge chutes for concrete having a wear

1992-06-23

1993-02-09

Dayoan, D. Glenn

Conveyors, chutes, skids, guides, and ways

Chutes

193 5, 193 10, 193 25A, B65G 1100

Patent

active

051847060

ABSTRACT:
An improved discharge chute assembly for use with a concrete mixing truck includes improved chute components which are fabricated from a fiberglass reinforced polyurethane structural frame possessing necessary flexural and impact properties and a polyurethane liner possessing necessary wear resistance and hardness. The polymeric materials tends to remain smooth during wear and permit chutes according to the invention to be manufactured much lighter than those heretofore known.

REFERENCES:
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patent: 4529660 (1985-07-01), Helm
patent: 4645055 (1987-02-01), Griese et al.
patent: 4796887 (1989-01-01), Sternhagen
patent: 5035313 (1991-02-01), Smith
P. 20 of MTM.RTM. Mixer Parts Catalog (date not given).
Freeman Chemical Corp. 5 pages of specification re physical properties of nylon materials Oct. 1987.

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