Title:
ROLLER BENDING APPARATUS AND METHOD OF BENDING A STEEL PLATE USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2010/074345
Kind Code:
A1
Abstract:
To prevent a side end (4) of a steel plate (3) from being reduced during a press rolling by a roller bending apparatus including an upper roller (1) and a bottom roller (2), the bottom roller (2), which presses against the outer side of the side end, is provided with a convexly curved portion (5).
Inventors:
IGUCHI KEINOSUKE (JP)
NAKAMURA HIDEYUKI (JP)
NAKAMURA HIDEYUKI (JP)
Application Number:
PCT/JP2009/071897
Publication Date:
July 01, 2010
Filing Date:
December 25, 2009
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
IGUCHI KEINOSUKE (JP)
NAKAMURA HIDEYUKI (JP)
IGUCHI KEINOSUKE (JP)
NAKAMURA HIDEYUKI (JP)
International Classes:
B21D5/12
Foreign References:
| JPH06126336A | 1994-05-10 | |||
| JPH03180213A | 1991-08-06 | |||
| JPS57195531A | 1982-12-01 |
Other References:
See also references of EP 2384832A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
Atsushi Aoki (JP)
Atsushi Aoki (JP)
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