Lead welding process, apparatus and product

Details Lead welding process, apparatus and product Lead welding process, apparatus and product

1985-05-02

1988-05-03

Goldberg, E. A.

Electric heating

Metal heating

Of cylinders

219137R, 285286, B23K 9225

Patent

active

047422041

ABSTRACT:
Flashing for a pipe is produced by joining a lead sheet having a hole in it for passing over the pipe, and a lead cylinder which is to surround the pipe and be bent into the top thereof. The joint is formed by producing mating flares on the lead sheet and cylinder and welding the two together. The weld is performed in the presence of an inert gas by drawing an arc between an electrode and the joint. The portion of the joint being welded is brought to a horizontal orientation by having the flares at a 45 degree angle and supporting the two parts on a rotating table inclined at 45 degrees.

REFERENCES:
patent: 1202687 (1916-10-01), Elkerton
patent: 1435010 (1922-11-01), Lachman
patent: 1683548 (1928-09-01), Hughey
patent: 1862796 (1932-06-01), Martin
Cary, Howard B. Modern Welding Technology. Englewood Cliffs, New Jersey: Prentice-Hall, Inc., 1979, pp. 95-96.

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