Automatic plug welding apparatus

Details Automatic plug welding apparatus Automatic plug welding apparatus

1978-06-22

1980-12-30

Goldberg, E. A.

Electric heating

Metal heating

By arc

219 60A, 219160, 219137R, B23K 912

Patent

active

042425638

ABSTRACT:
Apparatus for automatically welding a plug which is previously driven into holding engagement with the tube sheet to plug a leaky tube which has been reamed out to produce a pressed fit with the plug.

REFERENCES:
patent: 2930883 (1960-03-01), Adamel
patent: 2962306 (1960-11-01), Hawthorne
patent: 3118052 (1964-01-01), Lippart
patent: 3188446 (1965-06-01), Ray
patent: 3513286 (1970-05-01), Pols
patent: 3643059 (1972-02-01), Hill
patent: 3699297 (1972-10-01), Grin
patent: 4103140 (1978-07-01), Glatthorn

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