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Patent Searching and Data


Title:
ROLLER LEVELER AND PLATE MATERIAL CORRECTION METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2013/161555
Kind Code:
A1
Abstract:
A roller leveler (100) equipped with: a leveling roll unit (20) having multiple leveling rolls (6, 8a, 8b) that sandwich a plate material (P) therebetween and rotate so as to transfer the plate material while pressing against the plate material; pressing cylinders (4a, 4b) that press against the plate material at the entrance and the exit of the leveling roll unit (20) via the leveling rolls (6, 8a, 8b); and a drive mechanism (15) that causes the leveling rolls (6, 8a, 8b) to rotate, thereby transferring the plate material (P). At least one leveling roll (8b) of the multiple leveling rolls (6, 8a, 8b) is a stepped structure having a larger diameter width-direction center part (21) corresponding to the center part of the plate material in the width direction and smaller diameter width-direction end parts (22) corresponding to the ends of the plate material in the width direction.

Inventors:
ABE KEIZO (JP)
AOYAMA TORU (JP)
SANO TORU (JP)
Application Number:
PCT/JP2013/060621
Publication Date:
October 31, 2013
Filing Date:
April 08, 2013
Export Citation:
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Assignee:
JP STEEL PLANTECH CO (JP)
International Classes:
B21D1/05
Foreign References:
JPS63199024A1988-08-17
JPH0370809U1991-07-17
JPH0550144A1993-03-02
JP2000246338A2000-09-12
JPH0847721A1996-02-20
JP2008173676A2008-07-31
JPS60170526A1985-09-04
JPS60170526A1985-09-04
JPS6137322A1986-02-22
JPS6137322A1986-02-22
Other References:
See also references of EP 2845659A4
Attorney, Agent or Firm:
TAKAYAMA HIROSHI (JP)
Hiroshi Takayama (JP)
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