Global Patent Index - EP 0828942 A1

EP 0828942 A1 19980318 - HYDROPNEUMATIC MACHINE TOOL

Title (en)

HYDROPNEUMATIC MACHINE TOOL

Title (de)

HYDROPNEUMATISCHE WERKZEUGMASCHINE

Title (fr)

MACHINE-OUTIL HYDROPNEUMATIQUE

Publication

EP 0828942 A1 19980318 (DE)

Application

EP 97920528 A 19970319

Priority

  • DE 9700559 W 19970319
  • DE 19610726 A 19960319

Abstract (en)

[origin: WO9735114A1] A machine tool is proposed which operates with a hydropneumatic pressure intensifier whose step piston (1) is braked hydraulically in particular towards the end of its stroke by forcing hydraulic fluid from a braking cavity (35) formed during the stroke via a choke point.

IPC 1-7

F15B 11/032; F15B 11/072; F15B 11/076; F15B 15/22; B30B 15/16

IPC 8 full level

B30B 15/16 (2006.01); F15B 11/032 (2006.01); F15B 11/072 (2006.01); F15B 11/076 (2006.01); F15B 15/22 (2006.01)

CPC (source: EP US)

B30B 15/161 (2013.01 - EP US); F15B 11/0325 (2013.01 - EP US); F15B 11/076 (2013.01 - EP US); F15B 2211/216 (2013.01 - EP US); F15B 2211/7053 (2013.01 - EP US); F15B 2211/775 (2013.01 - EP US)

Citation (search report)

See references of WO 9735114A1

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

WO 9735114 A1 19970925; DE 19780220 D2 19980319; DE 59702132 D1 20000914; EP 0828942 A1 19980318; EP 0828942 B1 20000809; US 5943862 A 19990831

DOCDB simple family (application)

DE 9700559 W 19970319; DE 19780220 T 19970319; DE 59702132 T 19970319; EP 97920528 A 19970319; US 95294698 A 19980305