Roll straightener

Details Roll straightener Roll straightener

2006-09-14

2009-06-09

Ross, Dana (Department: 3725)

Metal deforming

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

By use of deflected arranged to provide longitudinally...

C072S160000, C072S251000

Reexamination Certificate

active

07543470

ABSTRACT:
A roll straightener which is capable of being switched between a zigzag type and an opposed type is disclosed. The roll straightener has an odd-number of pairs of upper and lower rolls. A group of the lower rolls including the second lower roll from an insertion side of the straightener up to a lower roll located at a middle position are movable in vertical and transverse directions of the rolls, while the remaining upper rolls and lower rolls are movable in only the vertical direction.

REFERENCES:
patent: 1914975 (1933-06-01), Nigro
patent: 2852065 (1958-09-01), Peterson
patent: 3621693 (1971-11-01), Adams
patent: 3765210 (1973-10-01), Lemper
patent: 4594872 (1986-06-01), Nordlof
patent: 5035130 (1991-07-01), Del Fabro et al.
patent: 5617754 (1997-04-01), Senft et al.
patent: 8-24752 (1996-01-01), None

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