EP 0721816 B1 19980415 - Method for the production of a hollow profile
Title (en)
Method for the production of a hollow profile
Title (de)
Verfahren zum Herstellen eines Hohlprofiles
Title (fr)
Méthode de fabrication d'un profilé creu
Publication
Application
Priority
EP 95890011 A 19950113
Abstract (en)
[origin: EP0721816A1] Cold forming process for a hollow profile (1) with two internal profile sections (2, 3) in angular alignment separated by an internal shoulder (4), wherein the profile sections (2, 3) are formed successively by pressing a blank (10) over corresponding mandrel profiles (12, 16), a first profile section (2) and/or reference profile (19) being formed in the first operation which is used to align the angular position of the second mandril profile (16) for forming the second profile section (3) in the next operation.
IPC 1-7
IPC 8 full level
B21J 5/12 (2006.01); B21K 21/16 (2006.01)
CPC (source: EP US)
B21J 5/12 (2013.01 - EP US); B21K 21/16 (2013.01 - EP US)
Designated contracting state (EPC)
AT DE FR GB IT SE
DOCDB simple family (publication)
EP 0721816 A1 19960717; EP 0721816 B1 19980415; AT E165025 T1 19980515; DE 59501906 D1 19980520
DOCDB simple family (application)
EP 95890011 A 19950113; AT 95890011 T 19950113; DE 59501906 T 19950113