Metal working – Means to assemble or disassemble – Heat exchanger
Patent
1988-10-17
1990-02-13
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Heat exchanger
29890031, 295221, 29723, 29726, B23P 1526
Patent
active
048994367
ABSTRACT:
The device comprises a handling arm (21) arranged inside the water box of the steam generator and permitting the assembly for fitting and withdrawing a plug (22) to be placed in the alignment of the tubes of the steam generator bundle. The device additionally comprises an endless screw (35) for moving the tubes in the axial direction, which is fastened to the handling arm (21), a support (44) fastened to the endless screw (35), movable in the axial direction, a linking member (51) carried by the support (44) for removable fastening to the plug body, and a sliding rod (55) actuated by a jack integral with the support (44). The rod (55) actuated by the jack permits, a thrust to be exerted on the plug held by the connecting member (51), in order to produce its extension and facilitate its withdrawal.
REFERENCES:
patent: 4366617 (1983-01-01), Nanstiel et al.
patent: 4390042 (1983-06-01), Kucherer et al.
patent: 4660270 (1987-04-01), Rieben et al.
patent: 4672791 (1987-06-01), Rieben et al.
patent: 4679315 (1987-07-01), Overbay
patent: 4679377 (1987-07-01), Rieben et al.
patent: 4734972 (1988-04-01), Hawkins
patent: 4784561 (1988-11-01), Cartry et al.
Cuda Irene
Framatome
Goldberg Howard N.
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