EP 2682198 B1 20180620 - Cambering device in bending presses
Title (en)
Cambering device in bending presses
Title (de)
Wölbungsvorrichtung in Biegepressen
Title (fr)
Dispositif de cambrage dans des presses à plier
Publication
Application
Priority
IT TV20120125 A 20120706
Abstract (en)
[origin: EP2682198A1] An active cambering device (1) of bending presses comprising an upper beam (2) and a lower beam (3), the device comprising a pump (4, P1) adapted to load at least one accumulator (5, ACC), which is adapted to actuate the lower beam (3) by means of a proportional direction valve (6, V8).
IPC 8 full level
B21D 5/02 (2006.01); B30B 15/00 (2006.01)
CPC (source: EP)
B21D 5/0272 (2013.01); B30B 15/007 (2013.01)
Citation (opposition)
Opponent : Bystronic Laser AG
- US 3914975 A 19751028 - KAWANO SUSUMU
- US 6812693 B2 20041102 - HEINRICH HORST [DE], et al
- WO 02074463 A1 20020926 - BYSTRONIC LASER AG [CH], et al
- JP H10211522 A 19980811 - AMADA ENG CT CO LTD, et al
- EP 0540476 A1 19930505 - BEYELER MACHINES SA [CH]
- JP H05329549 A 19931214 - AMADA CO LTD, et al
- EP 1027178 B1 20020130 - GASPARINI LUCIANO [IT]
- HOLGER WATTER: "Hydraulik und Pneumatik", 2007, VIEWEG+TEUBNER, ISBN: 978-3-8348-0539-3, article "Speicher", pages: 147 - 149, XP055578939
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 2682198 A1 20140108; EP 2682198 B1 20180620; IT TV20120125 A1 20140107
DOCDB simple family (application)
EP 13163686 A 20130415; IT TV20120125 A 20120706