Cassette roller leveler with common back-up rolls

Details Cassette roller leveler with common back-up rolls Cassette roller leveler with common back-up rolls

2007-07-12

2009-12-29

Tolan, Edward (Department: 3725)

Metal deforming

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

By use of deflected arranged to provide longitudinally...

C072S238000, C072S241200

Reexamination Certificate

active

07637133

ABSTRACT:
A roller leveler having a frame; a first bank of upper and lower work rolls journalled in the frame via a work roll journal housing; and a bank of back-up rolls in contact with the work rolls to support the work rolls. The work rolls perform leveling on a work product passing through a gap formed between upper and lower work rolls. The back-up rolls are mounted to the roller leveler frame via a back-up housing. The back-up rolls are movable to allow the first bank of work rolls to be removed and a second bank of work rolls to be installed wherein the second bank of work rolls includes work rolls of a different diameter than the first bank of work rolls.

REFERENCES:
patent: 3269163 (1966-08-01), Ripling et al.
patent: 3606784 (1971-09-01), Schluter
patent: 3648505 (1972-03-01), Eibe et al.
patent: 4313322 (1982-02-01), Malinowski et al.
patent: 4633697 (1987-01-01), Blough
patent: 5097691 (1992-03-01), Slabowski et al.
patent: 7302820 (2007-12-01), Le Viavant

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