Pipes and tubular conduits – Repairing – Patches
Patent
1995-02-17
1998-08-04
Brinson, Patrick
Pipes and tubular conduits
Repairing
Patches
138978, 2940209, 29890036, F16L 5516
Patent
active
057879338
ABSTRACT:
A method of obtaining a leakproof connection between a metallic tube having a leak and a metallic sleeve extending over the leak, includes expanding the sleeve being formed of a material having given strength values against an inner wall surface of the tube being formed of a material having strength values greater than the given values. In order to bridge a gap due to spring-back without the aid of an additional component of a shape memory alloy, a sleeve material having strength values lower than those of the material of the tube is used. A leakproof connection is obtained as the result of the greater spring-back of the tube.
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Majumdar Abdullah-El-Baqui
Russ Jakob
ABB Reaktor GmbH
Brinson Patrick
Greenberg Laurence A.
Lerner Herbert L.
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