EP 0264849 A3 19891102 - PROCESS AND ARRANGEMENT FOR ROLLING PROFILED BARS WITHIN SMALL TOLERANCES
Title (en)
PROCESS AND ARRANGEMENT FOR ROLLING PROFILED BARS WITHIN SMALL TOLERANCES
Publication
Application
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
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)
- [X] DE 3103156 A1 19820812 - MAGNITOGORSK METALLURG [SU]
- [X] DE 1142823 B 19630131 - GROB ERNST, et al
- [X] SOVIET INVENTIONS ILLUSTRATED, Woche 38, 3. November 1982, Sektion General/Mechanical, Nr. 80671 E/28, Derwent Publications Ltd, London, GB; & SU-A-897 214 (CHELYABINSK POLY) 26-11-1981
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