Inventors:
Joseph H. Kiefer - Tampa FL
Danny J. Smith - Tampa FL
Assignee:
The United States of America as represented by the United States
Department of Energy - Washington DC
International Classification:
B23K 902
Abstract:
A welding torch made of a high temperature plastic which fits over a tube intermediate the ends thereof for welding the juncture between the tube and the back side of a tube plate and has a ballooned end in which an electrode, filler wire guide, fiber optic bundle, and blanketing gas duct are disposed.