Dented article smoothing and shrinking arrangement

Details Dented article smoothing and shrinking arrangement Dented article smoothing and shrinking arrangement

1976-04-08

1977-08-30

Larson, Lowell A.

Metal deforming

With temperature modification of tool or of specified...

Cooling

148130, B21D 106

Patent

active

040445909

ABSTRACT:
A smoothing and shrinking arrangement for dented articles such as plates or the like, which arrangement includes an electrode connected to one pole of a voltage source, the other pole of which is connected to the plate being worked. A shielding element surrounds the electrode with a cooling construction being provided at the electrode for cooling at least a region of the plate affected by the electrode.

REFERENCES:
patent: 2227476 (1941-01-01), Williams et al.
patent: 3352724 (1967-11-01), McNitt et al.
patent: 3769102 (1973-10-01), Godin et al.

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