Welding apparatus designed particularly for use within a confine

Details Welding apparatus designed particularly for use within a confine Welding apparatus designed particularly for use within a confine

1981-01-05

1983-04-12

Goldberg, Elliot A.

Electric heating

Metal heating

By arc

219 60A, 219 617, 219 66, 21912511, B23K 9225

Patent

active

043799639

ABSTRACT:
A confined space welding apparatus which is to interiorly weld a tube to a structure such as a wall of an enlarged chamber. The position of the weld bead is initially determined through a set gage. This set gage is then employed to accurately position the welding electrode within the welding apparatus. The welding apparatus is includes collapsible handles to facilitate insertion of the welding apparatus within the enlarged chamber. The collapsible handles are then moved to their extended operable position and then the welding apparatus is securely clamped within a conduit positioning the welding electrode at the area to be welded.

REFERENCES:
patent: 2933591 (1960-04-01), Wojciak
patent: 3111575 (1963-11-01), Thompson
patent: 3869361 (1975-04-01), Jenkins
"Tube Wezde R. Aids" in NASA Tech. Briefs., vol. 5#2 Summer 1980, p. 244.

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