Method and apparatus for generating welding pressure in a roller

Details Method and apparatus for generating welding pressure in a roller Method and apparatus for generating welding pressure in a roller

1997-05-01

1999-09-14

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219 64, B23K 1106

Patent

active

059518855

ABSTRACT:
In a roller seam welding machine, the upper welding roller is led through a welding-force adjustment device with two spring elements. One spring is already effective when the initial deflection of the welding roller occurs. The other spring comes into operation only when a certain deflection (D) is reached. A marked improvement in weld quality can be obtained in this way, particularly at the start of the weld seam.

REFERENCES:
patent: 2412266 (1946-12-01), Mero et al.
patent: 3591756 (1971-07-01), Timko
patent: 4476371 (1984-10-01), Schreiber
patent: 5122629 (1992-06-01), Stieger
patent: 5622637 (1997-04-01), Taiana

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