EP 1454682 A3 20050511 - Method for providing a hollow body with an additional form
Title (en)
Method for providing a hollow body with an additional form
Title (de)
Verfahren zum Einbringen einer Nebenform in ein einen Hohlraum aufweisendens Formteil
Title (fr)
Méthode de réalisation d'une forme additionnelle dans un corps creux
Publication
Application
Priority
DE 10309625 A 20030304
Abstract (en)
[origin: EP1454682A2] To impose an additional shape into a workpiece (1) with a hollow interior (6), e.g. a tubular structure and the like, the workpiece is laid in a holder (2,3) and its open ends are sealed by plugs (8). The interior is filled with a gas under pressure, using compressed air or nitrogen. While the interior is under pressure as a support medium, the shape is imposed by an external embossing die (4).
IPC 1-7
IPC 8 full level
B21D 22/10 (2006.01)
CPC (source: EP)
B21D 22/105 (2013.01)
Citation (search report)
- [X] WO 02087802 A1 20021107 - ALCAN INT LTD [CA], et al
- [X] SU 593768 A1 19780225 - LE POLT I IM M I KALININA [SU]
- [X] EP 1134047 A2 20010919 - TOYOTA MOTOR CO LTD [JP]
- [A] US 6209372 B1 20010403 - FREEMAN RICHARD BENJAMIN [US]
- [A] US 5746079 A 19980505 - HETTINGER GERHARD [DE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1454682 A2 20040908; EP 1454682 A3 20050511; EP 1454682 B1 20081119; DE 10309625 A1 20040923; DE 10309625 B4 20060413; DE 502004008465 D1 20090102
DOCDB simple family (application)
EP 04004461 A 20040227; DE 10309625 A 20030304; DE 502004008465 T 20040227