Pipes and tubular conduits – Flexible – Distinct layers
Patent
1995-03-09
1997-07-22
Brinson, Patrick
Pipes and tubular conduits
Flexible
Distinct layers
138175, 138145, 138DIG6, F16L 914
Patent
active
056495684
ABSTRACT:
Conduits having cement-containing liners for the inner and outer surfaces of metal pipes include a fibrous material, such as glass fibers, to prevent cracking and/or inhibit crack propagation.
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Allen William C.
Hoyer Daniel P.
Stikkers David E.
Brinson Patrick
Thompson Alan H.
Union Oil Company of California
Wirzbicki Gregory F.
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