Process for correcting the distortion of electrolytic seed plate

Details Process for correcting the distortion of electrolytic seed plate Process for correcting the distortion of electrolytic seed plate

1997-08-20

1998-09-08

Larson, Lowell A.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflected arranged to provide longitudinally...

72160, B21D 102, B21D 302, B21B 1500

Patent

active

058029010

ABSTRACT:
Bent or twisted electrolytic seed plates are caused to undergo primary straightening by a total of at least 15 vertically staggered work rolls having a diameter not exceeding 50 mm. Then, ribs are formed on the seed plates by groove-forming rolls having annular flanges along their outer periphery, and the plates are caused to undergo secondary straightening by rolls having annular grooves along their outer periphery.

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patent: 4819470 (1989-04-01), Noe' et al.
patent: 5412968 (1995-05-01), Benz

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