Submerged-arc welding apparatus

Details Submerged-arc welding apparatus Submerged-arc welding apparatus

1994-11-08

1996-07-16

Shaw, Clifford C.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

21912431, 21912511, B23K 918

Patent

active

055369138

ABSTRACT:
Apparatus for making a circular weld using the submerged-arc welding process, the apparatus comprising a generally horizontal, extendible and contractible boom having inner and outer ends, the boom being supported adjacent the inner end for rotation about a vertical axis, a mounting member mounted on the outer end of the boom for vertical movement relative thereto, a swing arm mounted on the mounting member for pivotal movement relative thereto about generally vertical axis, a support member mounted on the swing arm for pivotal movement relative thereto about a generally horizontal axis, a welding torch fixed to the support member for movement therewith, a spool supported by the boom for rotation relative thereto about a generally horizontal spool axis, and an electrode wire wound around the spool and extending between the spool and the torch.

REFERENCES:
patent: 2402938 (1946-06-01), Stringham
patent: 2749421 (1956-06-01), Mikulak et al.
patent: 3033975 (1962-05-01), Thomas et al.
patent: 3420979 (1969-01-01), Gowan
patent: 3543989 (1970-12-01), Cooper
patent: 3769486 (1973-10-01), Braucht
patent: 3795785 (1974-03-01), Smith
patent: 4539465 (1985-09-01), Bosna
patent: 4540870 (1985-09-01), Kaufmann
patent: 5298710 (1994-03-01), Acheson et al.

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