Plate rolling mill

Details Plate rolling mill Plate rolling mill

2006-11-14

2006-11-14

Banks, Derris H. (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

C072S247000

Reexamination Certificate

active

07134307

ABSTRACT:
A plate rolling mill includes a pair of work rolls that hold and press down a plate material therebetween, a plurality of backup rolls that prevent the work rolls from being deformed, and intermediate rolls each of which is disposed between the work roll and the backup roll so as to be shiftable. Each of the intermediate rolls has a contact roll portion that contacts with the backup roll, and an extension barrel portion that is connected to an end of the contact roll portion and does not contact the backup roll at any shifted position. The contact roll is formed to have a convex shape such that a convex center of the contact roll is positioned at a side of the extension barrel portion.

REFERENCES:
patent: 4369646 (1983-01-01), Kajiwara
patent: 4596130 (1986-06-01), Yoshii et al.
patent: 4784051 (1988-11-01), Hauslein
patent: 5131252 (1992-07-01), Turley et al.
patent: 5622073 (1997-04-01), Hiruta et al.
patent: 6151943 (2000-11-01), Nihei et al.
patent: 6374656 (2002-04-01), Donini et al.
patent: 03-230802 (1991-10-01), None
patent: 5-13726 (1993-02-01), None
patent: 2004-098074 (2004-04-01), None

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