Laminated trough for a spiral concentrator and process for const

Details Laminated trough for a spiral concentrator and process for const Laminated trough for a spiral concentrator and process for const

1986-06-16

1988-03-15

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

4284233, 428217, 428358, 4284237, 209459, 209211, B32B 2700

Patent

active

047312700

ABSTRACT:
A laminated trough for a spiraled mineral concentrator; the trough composed of two or more laminates, chemically bonded, and the process for constructing the same.
The trough includes a top laminate of highly abrasion-resistant soft elastomer, the elastomer applied as a liquid directly to a release treated mold; and a bottom laminate composed of a rigid material which is applied to the soft elastomer before final curing of the latter, the bottom laminate providing structural support for the soft elastomer.
An intercoat, chemically bonded to both top and bottom laminates, may also be provided.

REFERENCES:
patent: 3099621 (1963-07-01), Close
patent: 3703571 (1972-11-01), Roberts
patent: 3936576 (1976-02-01), Kay
patent: 4042751 (1977-08-01), Roth
patent: 4059506 (1977-11-01), Bryson
patent: 4070274 (1978-01-01), Bryson
patent: 4416768 (1983-11-01), Nosseir
patent: 4476980 (1984-02-01), Giffard
patent: 4664789 (1987-05-01), Lees et al.

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