Device for lining a peripheral tube of a steam generator

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

1988-11-28

1990-12-11

Hall, Carl E.

Metal working

Means to assemble or disassemble

Heat exchanger

29723, 29890051, B23P 1526

Patent

active

049760270

ABSTRACT:
A curved structure (20) with two flat side flanges and a curved bottom (23') connecting the flanges, each of which is associated with a curved guiding slide (24a,24b)is used for lining a peripheral tube of a steam generator. A trolley (21) having wheels (25, 26) interacting with the guiding slides moves in the curved structure and is guided along the inner wall of the water box of the steam generator. A rigid roller-expanding tool (24) is connected to a drive mechanism carried by the trolley by a flexible cable, and is guided by a guiding device after it leaves the curved structure.

REFERENCES:
patent: 4262402 (1981-04-01), Cooper, Jr. et al.
patent: 4329769 (1982-05-01), Glatthorn
patent: 4571821 (1986-02-01), Pirl et al.
patent: 4639994 (1987-02-01), Cooper, Jr. et al.
patent: 4688327 (1987-08-01), Cooper, Jr. et al.
patent: 4716753 (1988-01-01), Martin
patent: 4793044 (1988-12-01), Cartry et al.
patent: 4829648 (1989-05-01), Arzenti et al.

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