Method of making reinforced plastic composite structure

Details Method of making reinforced plastic composite structure Method of making reinforced plastic composite structure

1976-12-23

1979-10-16

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

106 76, 106 89, 106 94, 106 97, 138141, 138145, 156189, B32B 516

Patent

active

041712382

ABSTRACT:
A reinforced plastic composite structure, particularly a pipe, is disclosed herein. The composite pipe, which resists acid attack even in underground applications where the pipe is subjected to external loading stresses, typically includes at least an inner zone, e.g. a resin impregnated fibrous sheet and an outer zone including a layer or layers of fibers. A cured polymeric resin matrix bonds the fibrous sheet and the fibrous layers together in a laminar relationship. The improvement disclosed herein comprises incorporating into this polymeric resin matrix a particulate substance which has specific particle size limitations and which is selected from the group consisting of portland cement, marble dust or a mixture thereof.

REFERENCES:
patent: 784318 (1905-03-01), Gregg
patent: 2434465 (1948-01-01), Marc
patent: 3489626 (1970-01-01), Rubenstein
patent: 3520749 (1970-07-01), Rubenstein
patent: 3706615 (1972-12-01), Nishiyama
patent: 3888712 (1975-06-01), Akiyoshi
patent: 3893488 (1975-07-01), Rogers et al.
patent: 3948294 (1976-04-01), Magarian

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