Global Patent Index - EP 0755323 B1

EP 0755323 B1 19980603 - PRESS FOR THE COLD WORKING OF METAL WORKPIECES

Title (en)

PRESS FOR THE COLD WORKING OF METAL WORKPIECES

Title (de)

PRESSE FÜR EINE KALTVERFORMUNG VON METALLWERKSTÜCKEN

Title (fr)

PRESSE DESTINEE AU FORMAGE A FROID DE PIECES METALLIQUES

Publication

EP 0755323 B1 19980603 (DE)

Application

EP 95914311 A 19950325

Priority

  • DE 4412224 A 19940409
  • EP 9501138 W 19950325

Abstract (en)

[origin: US5823104A] PCT No. PCT/EP95/01138 Sec. 371 Date Oct. 30, 1996 Sec. 102(e) Date Oct. 30, 1996 PCT Filed Mar. 25, 1995 PCT Pub. No. WO95/27615 PCT Pub. Date Oct. 19, 1995The invention is a press for cold working of metal workpieces. The invention includes a double-acting linear hydraulic power drive cylinder, a continuous press frame for accepting reactive forces that develop during the operation of the press, and a control valve system operable by output signals, and being one of program-controlled or manually triggerable, from an electronic control unit, for controlling motion of a piston of the drive cylinder.

IPC 1-7

B30B 15/04; B30B 15/16; B30B 1/32

IPC 8 full level

B21J 9/12 (2006.01); B30B 1/32 (2006.01); B30B 15/04 (2006.01); B30B 15/16 (2006.01); B30B 15/22 (2006.01); B44B 5/00 (2006.01)

CPC (source: EP US)

B30B 1/32 (2013.01 - EP US); B30B 15/04 (2013.01 - EP US); B30B 15/161 (2013.01 - EP US); B44B 5/0057 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI SE

DOCDB simple family (publication)

US 5823104 A 19981020; AT E166830 T1 19980615; DE 4412224 A1 19951012; DE 59502420 D1 19980709; EP 0755323 A1 19970129; EP 0755323 B1 19980603; ES 2120192 T3 19981016; JP 3234227 B2 20011204; JP H09511452 A 19971118; WO 9527615 A1 19951019

DOCDB simple family (application)

US 71851796 A 19961030; AT 95914311 T 19950325; DE 4412224 A 19940409; DE 59502420 T 19950325; EP 9501138 W 19950325; EP 95914311 A 19950325; ES 95914311 T 19950325; JP 52604295 A 19950325