Metal deforming – By deflecting successively-presented portions of work during... – By use of deflected arranged to provide longitudinally...
Reexamination Certificate
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
Hosonuma Tetsuo
Taguchi Shinichi
Nihon Shinkan Co., Ltd.
Ross Dana
Sullivan Debra M
Wenderoth , Lind & Ponack, L.L.P.
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