Welding apparatus and welding method, particularly resistance we

Details Welding apparatus and welding method, particularly resistance we Welding apparatus and welding method, particularly resistance we

1997-09-24

2000-01-11

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219113, B23K 1124

Patent

active

060138912

ABSTRACT:
The invention relates to a welding apparatus (1), particularly a resistance welding apparatus, comprising a control device (2), a charging device (10), at least one energy store (22 to 24), a switching device (33 to 35) and a consumer (51), the energy store (22 to 24) being incorporated in parallel with the charging device (10) and the said energy store being connected, via the switching device (33 to 35) associated therewith and a transfer device (31) subsequent thereto, to the consumer (51), particularly a welding torch (52) with a non-melting electrode (53) and a workpiece (54). A plurality of energy stores (22 to 24) are disposed each with an associated switching device (33 to 35), and the switching devices (33 to 35) of the energy stores (22 to 24) are triggered between two charging cycles by the control device (2) for directly successive emission of at least a portion of the energy stored in one of the energy stores (22 to 24) to the consumer (51).

REFERENCES:
patent: 2472110 (1949-06-01), Klemperer
patent: 4639569 (1987-01-01), Dufrenne
patent: 4709132 (1987-11-01), Tengler et al.
patent: 4973815 (1990-11-01), Ito et al.
patent: 5021625 (1991-06-01), Destefan et al.
patent: 5064987 (1991-11-01), Braman
patent: 5294768 (1994-03-01), Breitmeier
patent: 5570254 (1996-10-01), Spilger et al.

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