Electric arc welding gun

Details Electric arc welding gun Electric arc welding gun

1993-01-06

1995-01-24

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913752, 21913763, B23K 9173

Patent

active

053844475

ABSTRACT:
An apparatus for welding a workpiece comprises a body tube having a tapered portion defining a first angle, and an end fitting releasably connectable with the body tube and having a tapered portion defining a second angle. The tapered portion of the body tube is releasably connectable with the tapered portion of the end fitting. The first angle differs from the second angle by a distance sufficient for facilitating manual separation of the tapered portion of the body tube from the tapered portion of the end fitting. A liner has a first portion disposed within the end fitting and a second portion disposed within the body tube. A connection member operatively releasably connects the first portion of the liner with the second portion of the liner. A member is disposed on the body tube or the end fitting for releasably connecting the body tube to the end fitting. A positive stop member is formed the body tube or the end fitting for positively retaining the member on the body tube or the end fitting.

REFERENCES:
patent: 3469070 (1969-09-01), Bernard et al.
patent: 3514570 (1970-05-01), Bernard et al.
Japanese publication "New CS-CP Welding Torch", Oct. 1989.
Tweco.RTM. Eliminator.TM. brochure, by Tweco Products, Inc. (Undated).
Magnum.TM. brochure, "200, 300 Gun and Cable Assembly", Lincoln Electric, Nov., 1990.
Bernard.RTM. brochure "EZ Feed II Mig Guns", (Undated), Reference No. EZ II-4-5.
Bernard.RTM. brochure "EZ Feed II Mig Guns Parts List", (Undated), Reference No. EZ II-4-5.
Bernard.RTM. Operations Manual, "European EZ Feed II Mig Gun", Apr. 1, 1990, Reference No. EZ II-2-3-4-6 Euro.
Bernard.RTM. brochure "EZ Feed II Mig Guns", (Undated), Reference No. RA9052.
Bernard.RTM. brochure "EZ Feed 160 . . . The New Lightweight Champion", Jun. 1, 1985.
Bernard.RTM. operations manual, "EZ Feed II Mig Gun", (Undated), Reference No. EZ II-2-3-350.
Bernard.RTM. brochure "EZ Feed G, H & F Mig Guns Parts Breakdown", Dec. 1, 1985.

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