Global Patent Index - EP 0881004 A3

EP 0881004 A3 20001227 - Method of rolling steel shapes

Title (en)

Method of rolling steel shapes

Title (de)

Verfahren zum Walzen von Stahlprofilen

Title (fr)

Procédé pour laminer des profilés en acier

Publication

EP 0881004 A3 20001227 (DE)

Application

EP 98109418 A 19980525

Priority

DE 19722732 A 19970530

Abstract (en)

[origin: EP0881004A2] The method concerns rolling of steel sections in beam rolling mills with alternating X and H rolling and controlled cooling of the material during rolling. During preliminary rolling in an X roll stand, cooling water channels (8a, 8b) are formed in zones where the web and flange of the beam join one another.

IPC 1-7

B21B 1/08; B21B 45/02

IPC 8 full level

B21B 1/088 (2006.01); B21B 1/08 (2006.01); B21B 13/12 (2006.01); B21B 45/02 (2006.01); B21B 1/14 (2006.01); B21B 27/10 (2006.01)

CPC (source: EP KR US)

B21B 1/088 (2013.01 - EP KR US); B21B 1/10 (2013.01 - KR); B21B 45/0215 (2013.01 - EP US); B21B 1/14 (2013.01 - EP US); B21B 2013/003 (2013.01 - EP US); B21B 2027/103 (2013.01 - EP US); B21B 2045/0221 (2013.01 - KR)

Citation (search report)

  • [XA] US 1143735 A 19150622 - SLICK EDWIN E [US]
  • [A] EP 0760263 A1 19970305 - SUMITOMO METAL IND [JP]
  • [A] EP 0734792 A2 19961002 - MANNESMANN AG [DE]
  • [DA] EP 0256409 A2 19880224 - SCHLOEMANN SIEMAG AG [DE]
  • [XA] PATENT ABSTRACTS OF JAPAN vol. 007, no. 240 (M - 251) 25 October 1983 (1983-10-25)
  • [A] PANUNZI C ET AL: "QST-BEHANDLUNG VON SCHWEREN TRAEGERPROFILEN", STAHL UND EISEN,DE,VERLAG STAHLEISEN GMBH. DUSSELDORF, vol. 110, no. 6, 14 June 1990 (1990-06-14), pages 39 - 43,194, XP000140619, ISSN: 0340-4803
  • [DA] FRANTZ A ET AL: "VERBESSERTE THERMOMRCHANISCHE WALZPROZESSE FUR SCHWERE TRAGERPROFILE", STAHL UND EISEN,DE,VERLAG STAHLEISEN GMBH. DUSSELDORF, no. 9/10, 16 May 1989 (1989-05-16), pages 497 - 502,302, XP000068362, ISSN: 0340-4803
  • [A] PATENT ABSTRACTS OF JAPAN vol. 014, no. 428 (M - 1025) 14 September 1990 (1990-09-14)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 016, no. 132 (M - 1229) 3 April 1992 (1992-04-03)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 005, no. 189 (M - 099) 28 November 1981 (1981-11-28)
  • [A] DATABASE WPI Section Ch Week 198851, Derwent World Patents Index; Class M21, AN 1988-366693 [51], XP002151677

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0881004 A2 19981202; EP 0881004 A3 20001227; DE 19722732 A1 19981203; JP H1177104 A 19990323; KR 19980087507 A 19981205; US 5966977 A 19991019

DOCDB simple family (application)

EP 98109418 A 19980525; DE 19722732 A 19970530; JP 14998698 A 19980529; KR 19980019764 A 19980529; US 8288098 A 19980521