Global Patent Index - EP 0792702 B1

EP 0792702 B1 20000816 - Device for forming flanged collars in workpieces

Title (en)

Device for forming flanged collars in workpieces

Title (de)

Vorrichtung zur Herstellung von Aushalsungen in Werkstücken

Title (fr)

Appareil pour la formation de collerette dans des pièces

Publication

EP 0792702 B1 20000816 (DE)

Application

EP 97103051 A 19970226

Priority

DE 19607311 A 19960227

Abstract (en)

[origin: US6021571A] The invention concerns apparatus for forming collars in workpieces, where said apparatus comprises a bending former having an inner forming segment (16) and an outer forming segment (12) receiving a workpiece (96), further a plunger (24) for drawing through the bending former and an actuator (50) for the plunger. The actuator (50) comprises a draw bar (62) driven by a drive means (28) and fitted with a system (52) automatically receiving, locking and unlocking the plunger (24).

IPC 1-7

B21C 37/29; B21D 19/08

IPC 8 full level

B21D 37/12 (2006.01); B21C 37/29 (2006.01); B21D 19/00 (2006.01); B21D 19/08 (2006.01)

CPC (source: EP US)

B21C 37/292 (2013.01 - EP US); B21D 19/00 (2013.01 - EP US); Y10T 29/49442 (2015.01 - EP US); Y10T 29/49446 (2015.01 - EP US)

Citation (examination)

DE 2343981 A1 19750320 - MESSER GRIESHEIM GMBH

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

DOCDB simple family (publication)

US 6021571 A 20000208; AT E195446 T1 20000915; CZ 56697 A3 19971112; DE 19607311 A1 19970828; DE 29612422 U1 19961219; DE 59702173 D1 20000921; EP 0792702 A2 19970903; EP 0792702 A3 19971105; EP 0792702 B1 20000816

DOCDB simple family (application)

US 80404397 A 19970226; AT 97103051 T 19970226; CZ 56697 A 19970225; DE 19607311 A 19960227; DE 29612422 U 19960717; DE 59702173 T 19970226; EP 97103051 A 19970226