Global Patent Index - EP 0476467 A3

EP 0476467 A3 19930303 - METHOD FOR MANUFACTURING BRIGHT ROUND STEEL BARS

Title (en)

METHOD FOR MANUFACTURING BRIGHT ROUND STEEL BARS

Publication

EP 0476467 A3 19930303 (DE)

Application

EP 91115166 A 19910907

Priority

DE 4029786 A 19900920

Abstract (en)

[origin: EP0476467A2] The invention proposes a method for manufacturing bright steel, especially bright round steel bars produced from hot-rolled steel, according to which the round steel bars are rounded to narrow tolerances in a sizing mill from the rolling heat, the oxide layer on the round steel bars is largely removed and the round steel bars are then subjected to a straightening and polishing process.

IPC 1-7

B21B 1/16; B21B 45/04; B21D 3/04; B24C 3/14

IPC 8 full level

B21B 1/16 (2006.01); B21B 37/16 (2006.01); B21B 45/04 (2006.01); B21D 3/04 (2006.01); B24B 27/033 (2006.01); B24C 3/14 (2006.01)

CPC (source: EP US)

B21B 1/16 (2013.01 - EP US); B21B 45/04 (2013.01 - EP US); Y10T 29/4522 (2015.01 - EP US); Y10T 29/455 (2015.01 - EP US); Y10T 29/49986 (2015.01 - EP US); Y10T 29/49991 (2015.01 - EP US)

Citation (search report)

  • [A] DE 2656258 A1 19780615 - KIESERLING & ALBRECHT
  • [A] EP 0340505 A2 19891108 - SCHLOEMANN SIEMAG AG [DE]
  • [A] KRAEMER W., ET AL.: "HOCHPRAEZISIONSWALZEN VON STABSTAHL AUF DER FEINSTAHL- UND DRAHTSTRASSE DER VON MOOS STAHL AG (LUZERN/SCHWEIZ).", STAHL UND EISEN., VERLAG STAHLEISEN, DUSSELDORF., DE, vol. 110., no. 06., 14 June 1990 (1990-06-14), DE, pages 59 - 64 + 196., XP000140620, ISSN: 0340-4803
  • [A] "FORTSCHRITTE BEIM STABSTAHL- UND DRAHTWALZEN.", DRAHT., MEISENBACH, BAMBERG., DE, vol. 41., no. 04., 1 April 1990 (1990-04-01), DE, pages 496/497., XP000127436, ISSN: 0012-5911
  • [A] DRAHT Bd. 32, Nr. 8, August 1981, BAMBERG DE Seiten 416 - 420 K. OHLWEIN 'Entzunderung von Dr{hten und St{ben, Rohren und Profilen'
  • [A] PATENT ABSTRACTS OF JAPAN vol. 004, no. 064 (M-011)14. Mai 1980 & JP-A-55 030 363 ( SUMITOMO ) 4. März 1980
  • [A] STAHL UND EISEN Bd. 80, Nr. 6, 17. März 1960, DÜSSELDORF DE Seiten 351 - 356 H. SEDLACZEK ET AL 'Beitr{ge zum Strahlentzundern von Walzdraht und Warmband'

Designated contracting state (EPC)

AT DE IT SE

DOCDB simple family (publication)

EP 0476467 A2 19920325; EP 0476467 A3 19930303; EP 0476467 B1 19941207; AT E115013 T1 19941215; DE 4029786 A1 19920326; DE 59103782 D1 19950119; JP H04244367 A 19920901; US 5355570 A 19941018

DOCDB simple family (application)

EP 91115166 A 19910907; AT 91115166 T 19910907; DE 4029786 A 19900920; DE 59103782 T 19910907; JP 23991591 A 19910919; US 4651893 A 19930412