Internal coil spot welding device

Details Internal coil spot welding device Internal coil spot welding device

1996-09-30

1998-01-06

Hecker, Stuart N.

Electric heating

Metal heating

For bonding with pressure

219 89, B23K 912, B23K 928

Patent

active

057057826

ABSTRACT:
A spot welding device to secure the inner end of a coil of steel to itself to prevent uncoiling. The welding device is carried on an articulated support arm assembly that allows for positioning the welder within the coil on a gimble axis mount for proper access to the entire inner coil surface. Welding tips are selectively held against the welding surface by an extensible guide and engagement assembly.

REFERENCES:
patent: 1870577 (1932-08-01), Lamb
patent: 2495561 (1950-01-01), Wilson
patent: 3294598 (1966-12-01), Norris
patent: 3319948 (1967-05-01), Olsen
patent: 3517917 (1970-06-01), Winter
patent: 5079400 (1992-01-01), Firlotte et al.
patent: 5177337 (1993-01-01), Ward
patent: 5632911 (1997-05-01), Wigle et al.

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