Underwater arc welding

Details Underwater arc welding Underwater arc welding

1985-09-12

1987-03-31

Goldberg, E. A.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219105, 219136, H01H 300, H01H 900, H01H 5100

Patent

active

046545000

ABSTRACT:
Portable welding apparatus for use in underwater arc welding comprising a housing through whose wall extends a welding gun. The housing has an aperture for fitment over an item to be welded to a structure and the housing has a gas inlet for evacuation of water from the housing in use.
The apparatus preferably includes a rotatable housing portion on a fixed base so that welding can be performed around items which are contained wholly within the housing, thereby ensuring a dry environment for the well under water.

REFERENCES:
patent: 3658231 (1972-04-01), Gilman
patent: 3769489 (1973-10-01), Charlesworth
patent: 4035602 (1977-07-01), Berghof
patent: 4139758 (1979-02-01), Pinfold

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