Method of making compound pipes for conveying various fluids and

Details Method of making compound pipes for conveying various fluids and Method of making compound pipes for conveying various fluids and

1987-10-08

1988-12-06

Bryant, III, James E.

Pipes and tubular conduits

Reinforced

With embedded element

138125, 138127, 174 47, 1562755, F16L 0904

Patent

active

047890070

ABSTRACT:
A method of making a tube for carrying various fluids and materials, the tube comprising from the inside to the outside a layer of impervious plastics material, a first layer of glass fibers connected to the impervious layer, a layer of electrically conducting material and a second layer of glass fibers, the three lastly named layers being impregnated with a resin polymerized through heating of the layer of electrically conducting material which may be a heating metal wire resistor.

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