EP 3115190 B1 20201118 - DEVICE AND METHOD FOR CONTROLLING THE PRINCIPAL DRIVE OF A PRECISION CUTTING PRESS
Title (en)
DEVICE AND METHOD FOR CONTROLLING THE PRINCIPAL DRIVE OF A PRECISION CUTTING PRESS
Title (de)
VORRICHTUNG UND VERFAHREN ZUM STEUERN DES HAUPTANTRIEBS EINER FEINSCHNEIDPRESSE
Title (fr)
DISPOSITIF ET PROCEDE DE COMMANDE DE L'ENTRAINEMENT PRINCIPAL D'UNE PRESSE POUR DECOUPAGE DE PRECISION
Publication
Application
Priority
EP 15002015 A 20150706
Abstract (en)
[origin: KR20170005768A] The present invention provides a method of controlling primary drive of a fine blanking press, and an apparatus to control primary drive of a fine blanking press wherein the fine blanking press is operated by hydraulic pressure and a press having a simple design. To achieve this purpose, a main piston (20) comprises disk-shaped protruding working surfaces (22a, 22b).
IPC 8 full level
B30B 15/16 (2006.01); B30B 1/32 (2006.01)
CPC (source: CN EP KR US)
B21D 22/02 (2013.01 - US); B21D 28/16 (2013.01 - KR); B21D 37/10 (2013.01 - KR); B21D 43/02 (2013.01 - KR); B30B 1/32 (2013.01 - CN EP US); B30B 15/16 (2013.01 - EP US); B30B 15/161 (2013.01 - EP US); B30B 15/163 (2013.01 - CN US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3115190 A1 20170111; EP 3115190 B1 20201118; CN 106335210 A 20170118; CN 106335210 B 20190621; ES 2839073 T3 20210705; JP 2017013133 A 20170119; JP 6781579 B2 20201104; KR 102349812 B1 20220111; KR 20170005768 A 20170116; US 10479040 B2 20191119; US 2017120551 A1 20170504
DOCDB simple family (application)
EP 15002015 A 20150706; CN 201610524423 A 20160705; ES 15002015 T 20150706; JP 2016133066 A 20160705; KR 20160084633 A 20160705; US 201615203463 A 20160706