EP 0760263 A4 19990303 - METHOD OF AND APPARATUS FOR HOT ROLLING H-STEEL
Title (en)
METHOD OF AND APPARATUS FOR HOT ROLLING H-STEEL
Title (de)
VERFAHREN UND VORRICHTUNG ZUM WARMWALZEN VON H-STAHLTRÄGERN
Title (fr)
PROCEDE ET DISPOSITIF DE LAMINAGE A CHAUD D'ACIER A PROFIL EN H
Publication
Application
Priority
- JP 9600688 W 19960315
- JP 5910995 A 19950317
Abstract (en)
[origin: WO9629160A1] Object: to prevent (1) a flange eating trouble, (2) the abrasion of a side surface of a width fixing horizontal roll and an increase in the frequency of a roll replacement operation, (3) the abrasion of a side surface of a width fixing horizontal roll, and (4) the occurrence of a shave flaw in an inner surface of a flange, during the tandem rolling of UR+E+UF. Constitution: a reverse rolling operation is carried out by setting a horizontal roll distance Wr in a UR mill, a horizontal roll distance Wf in a UF mill and a horizontal roll trunk portion distance We in an E mill to Wf>We, Wr, or We<Wf, Wr.
IPC 1-7
IPC 8 full level
B21B 1/08 (2006.01)
CPC (source: EP)
B21B 1/0886 (2013.01)
Citation (search report)
- [PXA] WO 9517269 A1 19950629 - SUMITOMO METAL IND [JP], et al
- [XA] PATENT ABSTRACTS OF JAPAN vol. 017, no. 479 (M - 1471) 31 August 1993 (1993-08-31)
- See references of WO 9629160A1
Designated contracting state (EPC)
DE ES GB LU
DOCDB simple family (publication)
WO 9629160 A1 19960926; AU 4955796 A 19961008; AU 693326 B2 19980625; DE 69623208 D1 20021002; DE 69623208 T2 20030417; EP 0760263 A1 19970305; EP 0760263 A4 19990303; EP 0760263 B1 20020828; ES 2182966 T3 20030316
DOCDB simple family (application)
JP 9600688 W 19960315; AU 4955796 A 19960315; DE 69623208 T 19960315; EP 96906060 A 19960315; ES 96906060 T 19960315