Global Patent Index - EP 0264850 A3

EP 0264850 A3 19891025 - PROCESS AND ARRANGEMENT FOR ROLLING PROFILED BARS WITHIN SMALL TOLERANCES

Title (en)

PROCESS AND ARRANGEMENT FOR ROLLING PROFILED BARS WITHIN SMALL TOLERANCES

Publication

EP 0264850 A3 19891025 (DE)

Application

EP 87115160 A 19871016

Priority

DE 3635566 A 19861020

Abstract (en)

[origin: US4803863A] A pair of roll grooves defining a rolling passage for the bar stock in respective rolls having abutting or bearing portions which are undercut to increase elasticity and are separated from the grooves by recesses. The force with which the rolls are pressed against one another far exceeds the rolling force.

IPC 1-7

B21B 27/02; B21B 1/18

IPC 8 full level

B21B 1/16 (2006.01); B21B 1/18 (2006.01); B21B 13/10 (2006.01); B21B 27/02 (2006.01)

CPC (source: EP KR US)

B21B 13/103 (2013.01 - EP US); B21B 13/18 (2013.01 - KR); B21B 27/02 (2013.01 - EP US); B21B 1/18 (2013.01 - EP US)

Citation (search report)

  • [AD] DE 3433300 A1 19860320 - SCHLOEMANN SIEMAG AG [DE]
  • [A] CH 564381 A5 19750731 - ESCHER WYSS AG
  • [AD] DE 741884 C 19530511 - TRIERER WALZWERK A G WUPPERTAL
  • [A] SOVIET INVENTIONS ILLUSTRATED, 3. November 1982, Sektion General/Mechanical, Klasse 80671 E/38, Derwent Publications Ltd., London, GB; & SU-A-882 671 (CHELYABINSK POLY) 26-11-1981
  • [A] SOVIET INVENTIONS ILLUSTRATED, 7. November 1984, Sektion General/Mechanical, Woche 8439, Nr. 84 242652/39, Derwent Publications Ltd., London, GB; & SU-A-1 071 336 (HARD METALS ALLOYS) 07-02-1984
  • [A] PATENT ABSTRACTS OF JAPAN, Band 11, Nr. 74 (M-568)[2521], 6. März 1987; & JP-A-61 229 403 (SHIGENOBU UENO) 13-10-1986

Designated contracting state (EPC)

AT BE DE ES FR GB IT SE

DOCDB simple family (publication)

EP 0264850 A2 19880427; EP 0264850 A3 19891025; EP 0264850 B1 19920325; AT E74032 T1 19920415; CN 1010183 B 19901031; CN 1011204 B 19910116; CN 87107793 A 19880608; CN 87107836 A 19880706; DE 3777749 D1 19920430; EP 0264849 A2 19880427; EP 0264849 A3 19891102; JP S63104701 A 19880510; JP S63177901 A 19880722; KR 880004864 A 19880627; KR 880004869 A 19880627; US 4803863 A 19890214; US 4813257 A 19890321

DOCDB simple family (application)

EP 87115160 A 19871016; AT 87115160 T 19871016; CN 87107793 A 19871020; CN 87107836 A 19871020; DE 3777749 T 19871016; EP 87115159 A 19871016; JP 26294587 A 19871020; JP 26294687 A 19871020; KR 870011640 A 19871020; KR 870011641 A 19871020; US 11138187 A 19871020; US 11138887 A 19871020