Assembly for repairing a damaged pipe

Details Assembly for repairing a damaged pipe Assembly for repairing a damaged pipe

1987-12-16

1988-12-27

Bryant, III, James E.

Pipes and tubular conduits

Repairing

Patches

138 97, 29447, 29523, 2940209, F16L 5516

Patent

active

047933828

ABSTRACT:
An assembly for securing a repair sleeve within a damaged pipe, comprising a tubular repair sleeve, and a shape memory alloy element positioned within the sleeve and having a mandrel on each end with at least a portion of each mandrel extending beyond the sleeve at a respective end of the sleeve, arranged so that when the shape memory alloy element recovers, the mandrels are moved towards one another so that each end portion of the sleeve is caused to expand outwardly.

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U.S. patent application Ser. No. 668,771, Filed Nov. 6, 1984, by Simpson et al.

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