Apparatus for internal pipe protection

Pipes and tubular conduits – Combined – With hose protector

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138 89, 138 98, 138103, 138137, 138178, 138DIG6, 428 36, 428913, 156 83, 156 86, 156 87, F16L 914

Patent

active

043556647

ABSTRACT:
A method and device for providing a protective coating for the inside of pipes, said method utilizing a device which is remotely actuated from outside said pipes. Specifically, the device comprises a memory metal delivery member, a corrosion resistant liner member, and a bonding member, said device expanding upon application of heat toward the inner wall of the pipe to cause the bonding member to flow progressively between the liner member and the inside of the pipe to thereby preclude air entrapment and to bond said liner member to the inside of the pipe.

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Holmes, U.S. Pat. application Ser No. 150,840.

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