Glass fiber reinforced thermosetting resin pipe wall constructio

Details Glass fiber reinforced thermosetting resin pipe wall constructio Glass fiber reinforced thermosetting resin pipe wall constructio

1978-01-25

1979-08-28

Aegerter, Richard E.

Pipes and tubular conduits

Reinforced

With embedded element

138140, 138137, 138DIG2, 138DIG7, F16L 912

Patent

active

041657659

ABSTRACT:
Various pipe wall constructions comprising thermosetting resin, randomly disposed chopped glass fibers, sand, circumferentially extending continuous glass filaments, and axially extending glass fibers in various percentages in structural wall portions thereof, and having various protective inner liner and outer wall portions.

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patent: 3532132 (1970-10-01), Rubenstein
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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