Metal deforming – By use of roller or roller-like tool-element – With non-roller metal deforming station
Reexamination Certificate
2006-11-21
2006-11-21
Larson, Lowell A. (Department: 3725)
Metal deforming
By use of roller or roller-like tool-element
With non-roller metal deforming station
C072S012300
Reexamination Certificate
active
07137283
ABSTRACT:
A material1to be shaped is reduced and formed by bringing dies with convex forming surfaces, when viewed from the side of the transfer line of the material1, close to the transfer line from above and below the material1, in synchronism with each other, while giving the dies a swinging motion in such a manner that the portions of the forming surfaces of the dies, in contact with the material1, are transferred from the upstream to the downstream side in the direction of the transfer line.
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European Search Report issued in EP 98 94 1824 dated Apr. 9, 2003 and mailed Apr. 25, 2003.
Dodo Yasushi
Ide Kenichi
Narushima Shigeki
Griffin & Szipl, P.C.
Ishikawajima-Harima Heavy Industries Co. Ltd.
Larson Lowell A.
NKK Corporation
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