Method for sealing leaking pipes and repair unit for use in the

Details Method for sealing leaking pipes and repair unit for use in the Method for sealing leaking pipes and repair unit for use in the

1976-02-02

1978-06-27

Aegerter, Richard E.

Pipes and tubular conduits

Repairing

29401R, 165 76, F16L 5518, F28F 1100

Patent

active

040968855

ABSTRACT:
A method for sealing leaking pipes in heat exchangers, comprising the installation, after detection of a leak and determination of the leaking pipe, of extension pieces on the two ends of the pipe, the severing of the pipe adjacent one end and the cutting of openings in the pipe wall adjacent the other end. Subsequently flow conductor tubes are inserted in the two ends of the pipe, and sealing caps are installed on the extension pieces. In operation the pipe is now entirely traversed by the liquid that normally flows around the non-defective pipes. The creation of so-called dead spaces (i.e., stagnant regions) is thus avoided.

REFERENCES:
patent: 2394831 (1946-02-01), Woods
patent: 3488829 (1970-01-01), Boniface
patent: 3962767 (1976-06-01), Byerley et al.

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