Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent
1997-09-12
1999-05-04
Shaw, Clifford C.
Electric heating
Metal heating
Nonatmospheric environment at hot spot
219136, 21913761, B23K 9173
Patent
active
059001674
ABSTRACT:
MIG welding apparatus includes a torch body; a machine barrel extending forwardly of the torch body; a contact tip extending forwardly from the machine barrel; and a pair of gas supply tubes extending along and substantially parallel to the contact tip, enabling reduction in the weld prep angle to about three degrees.
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Ellis Edward K.
Merrill Douglas J.
Rentz Lawrence E.
Rudnicki James L.
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