Welding tool

Details Welding tool Welding tool

2008-07-15

2008-07-15

Kerns, Kevin P (Department: 1793)

Electric heating

Metal heating

Nonatmospheric environment at hot spot

C219S072000

Reexamination Certificate

active

11237771

ABSTRACT:
A welding tool for TIG arc welding, plasma welding or laser welding, including a welding head carrying a refractory electrode and surrounded by a skirt. The skirt is releasably fastened on the welding head and has a front portion which extends forwards and is shaped to surround a weld head with clearance over a predetermined length. The skirt is made by molding or thermoforming a composite material made of at least two layers of ceramic fibers which are bonded together by an elastomer that withstands high temperatures.

REFERENCES:
patent: 2902587 (1959-09-01), Bernard
patent: 3344505 (1967-10-01), Rively et al.
patent: 3581052 (1971-05-01), Milton
patent: 4642445 (1987-02-01), Stol
patent: 5003150 (1991-03-01), Stricklen
patent: 7038161 (2006-05-01), Aubry et al.
patent: 1 273 382 (2003-01-01), None

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