Wire kept in shielding gas, preventing oxidation. Guide inside gas cup of gas/tungsten-arc welding torch feeds filler wire to weld pool along line parallel to axis of torch. Eliminates problem of how to place and orient torch to provide clearance for external wire guide.
Internal Wire Guide For Gas/Tungsten-Arc Welding
NASA Tech Briefs ; 14 , 4
1990-04-01
Miscellaneous
No indication
English
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