Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent
1997-04-11
1999-03-30
Shaw, Clifford C.
Electric heating
Metal heating
Nonatmospheric environment at hot spot
2191251, 219136, B23K 9167
Patent
active
058892516
ABSTRACT:
A narrow groove welding apparatus including a torch assembly with a replaceable gas cup so that different length gas cups can be used for different depth grooves. An adjustable support assembly is provided to permit corresponding positioning of auxiliary components, including visual monitoring assemblies, wire feed assemblies, and illumination assemblies to ensure proper alignment of the auxiliary components with the weld zone. A torch assembly permits ready replacement of electrodes to match gas cups, and electrically isolates the electrode from the gas cup.
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Payne Ronald J.
Smith, II Robert C.
Framatome Technologies, Inc.
Shaw Clifford C.
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