Corrosion resistant glass-reinforced plastic pipe liner

Details Corrosion resistant glass-reinforced plastic pipe liner Corrosion resistant glass-reinforced plastic pipe liner

1974-06-07

1976-02-24

Queisser, Richard C.

Pipes and tubular conduits

Distinct layers

Bonded to each other

138153, 138DIG2, 138DIG7, F16L 916

Patent

active

039398730

ABSTRACT:
An inner liner for glass-reinforced plastic pipes comprising a nonwoven fabric bonded to each side of a plastic film. In the manufacture of pipe, the composition is saturated with the plastic resin, e.g., polyester resin, and wound onto the pipe mandrel. The resin-glass body of the pipe is then wound over the liner and the entire composition cured.
The liner prevents damage to the pipe as a result of corrosive material, e.g., mineral acids.

REFERENCES:
patent: 2815043 (1957-12-01), Kleiner et al.
patent: 2945638 (1960-07-01), Crawford et al.
patent: 3054428 (1962-09-01), Crawford
patent: 3347727 (1967-10-01), Bobkowicz et al.
patent: 3567545 (1971-03-01), Bobkowicz et al.
patent: 3716437 (1973-02-01), Newman et al.

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