Method and apparatus for splicing metal webs

Details Method and apparatus for splicing metal webs Method and apparatus for splicing metal webs

1995-02-27

1996-04-09

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 75, 2191251, B23K 902

Patent

active

055063870

ABSTRACT:
Method and apparatus for splicing together the ends of metal webs by TIG welding. In the method and apparatus, since the tapered end portion of an electrode disposed at the leading end of a welding torch for use in TIG welding is formed in a semi-spherical shape or in a circular flat surface, arc can remain stable even if the length of the arc in the TIG welding is changed suddenly at the welding starting or terminating end portion of the weldedly spliced portion of the metal webs.

REFERENCES:
patent: 2274631 (1942-02-01), Meredith
patent: 2649528 (1953-08-01), Koenig et al.
patent: 3231332 (1966-01-01), Jones et al.
patent: 3715561 (1973-02-01), Hammarlind
patent: 4471208 (1984-09-01), Edmonds
T. Lyman, ed., Metals Handbook, 8th edition, vol. 6, Welding and Brazing, 1971, pp. 113 and 118-120.

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