EP 1300476 A3 20040908 - Process for manufacturing a hardened sheet metal profile
Title (en)
Process for manufacturing a hardened sheet metal profile
Title (de)
Verfahren zur Herstellung eines gehärteten Blechprofils
Title (fr)
Procédé pour la fabrication d'un profile de tôle durcie
Publication
Application
Priority
DE 10149220 A 20011005
Abstract (en)
[origin: EP1300476A2] Production of a hardened sheet metal profile comprises forming a passage (5) with a protruding collar on a sheet bar (1); hot deforming the sheet bar in a pressing tool to form a sheet metal profile; and hardening. Calibration of the recess to give the final shape is carried out in the pressing tool. <??>Preferred Features: A peripheral or interrupted collar is produced in the passage.
IPC 1-7
IPC 8 full level
B21D 19/08 (2006.01); C21D 1/673 (2006.01); C21D 9/00 (2006.01); C21D 9/46 (2006.01)
CPC (source: EP US)
B21D 19/088 (2013.01 - EP US); B21D 22/022 (2013.01 - EP US); C21D 1/673 (2013.01 - EP US); C21D 9/0068 (2013.01 - EP US); C21D 9/46 (2013.01 - EP US)
Citation (search report)
- [AD] WO 9907492 A1 19990218 - SSAB HARDTECH AB [SE], et al
- [AD] DE 2452486 A1 19750507 - NORRBOTTENS JAERNVERK AB
- [A] GB 1490535 A 19771102 - NORRBOTTENS JAERNVERK AB
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
DE 10149220 C1 20020808; EP 1300476 A2 20030409; EP 1300476 A3 20040908; EP 1300476 B1 20051102; US 2003066581 A1 20030410
DOCDB simple family (application)
DE 10149220 A 20011005; EP 02019505 A 20020831; US 26258602 A 20020930