Global Patent Index - EP 1154024 B1

EP 1154024 B1 20040324 - Process and device for heat treating metallic workpieces

Title (en)

Process and device for heat treating metallic workpieces

Title (de)

Verfahren und Vorrichtung zur Wärmebehandlung metallischer Werkstücke

Title (fr)

Procédé et dispositif pour le traitement thermique de pièces métalliques

Publication

EP 1154024 B1 20040324 (DE)

Application

EP 00108203 A 20000414

Priority

EP 00108203 A 20000414

Abstract (en)

[origin: EP1154024A1] Process for heat treating metallic workpieces (20) comprises passing a quenching gas around the workpieces using guide channels (30). An Independent claim is also included for a device for heat treating metallic workpieces (20) comprising a quenching chamber (10), in which the workpieces are cooled using a quenching gas via guide channels (30). Preferred Features: The guide channels are reverse drawn before heating over the workpieces placed in a stack. The channels have a length which corresponds to the height of the workpieces.

IPC 1-7

C21D 1/767; C21D 1/62

IPC 8 full level

C21D 1/62 (2006.01); C21D 1/767 (2006.01); C21D 1/613 (2006.01)

CPC (source: EP US)

C21D 1/62 (2013.01 - EP US); C21D 1/767 (2013.01 - EP US); C21D 1/613 (2013.01 - EP US)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 1154024 A1 20011114; EP 1154024 B1 20040324; AT E262598 T1 20040415; DE 50005790 D1 20040429; ES 2215513 T3 20041016; US 7255829 B1 20070814

DOCDB simple family (application)

EP 00108203 A 20000414; AT 00108203 T 20000414; DE 50005790 T 20000414; ES 00108203 T 20000414; US 65179700 A 20000830