Apparatus for internal pipe protection
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United States of America Patent
Stats
-
Oct 26, 1982
Grant Date -
N/A
app pub date -
Jul 31, 1980
filing date -
Jul 31, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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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