Process for lining a peripheral tube of a steam generator

Details Process for lining a peripheral tube of a steam generator Process for lining a peripheral tube of a steam generator

1987-04-30

1989-05-09

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291573L, 29523, 2940209, B21D 5302

Patent

active

048275948

ABSTRACT:
A liner (12) substantially smaller than the thickness of the tube plate (2) is inserted into the tube (8) so that, while one of its ends is in a region of the tube (8) inside the tube plate (2) and away from the entry face (2a), the other end of the liner (12) is beyond the exit face (2b) of the tube plate. Diametral expansion and roller expanding of the liner (12) are performed in the position which the latter occupies inside the tube (8).

REFERENCES:
patent: 4069573 (1978-01-01), Rogers, Jr. et al.
patent: 4485847 (1984-12-01), Wentzell
patent: 4547944 (1985-10-01), Hayden
patent: 4567632 (1986-02-01), Peters et al.
patent: 4573248 (1986-03-01), Hackett
patent: 4641409 (1987-02-01), Shallenberger et al.
patent: 4696723 (1987-09-01), Bosquet et al.
patent: 4713870 (1987-12-01), Szalvay

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