Composite pipe

Details Composite pipe Composite pipe

1979-02-02

1981-01-06

Bryant, III, James E.

Pipes and tubular conduits

Reinforced

With embedded element

138132, 138133, 138153, 138124, 138125, F16L 904

Patent

active

042430755

ABSTRACT:
A composite reinforced plastic pipe and method of making the same are disclosed wherein a resin impregnated surfacing mat is formed into a tubular inner liner on a mandrel or the like, a plurality of resin impregnated continuous fiberglass strands are helically wound upon the inner liner to form an inner layer, a sand-resin composition is applied onto the inner layer to form a tubular core, and an outer layer of resin impregnated continuous fiberglass strands are helically wound upon the tubular core whereafter the composite pipe is cured to provide a pipe having high resistance to internal and external pressures.

REFERENCES:
patent: 2614058 (1952-10-01), Francis
patent: 2925831 (1960-02-01), Welty et al.
patent: 3177902 (1965-04-01), Rubenstein
patent: 3406724 (1968-10-01), Carlstrom et al.
patent: 3483896 (1969-12-01), Grosh
patent: 3630237 (1971-12-01), Varnell et al.
patent: 3676246 (1972-07-01), Grosh
patent: 3871409 (1975-03-01), Gilbu
patent: 3884269 (1975-05-01), Schetty et al.
patent: 3893488 (1975-07-01), Rogers et al.
patent: 3953629 (1976-04-01), Wesch

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