Global Patent Index - EP 1424402 B1

EP 1424402 B1 20070926 - Process for avoiding the adhesion of metal parts during annealing

Title (en)

Process for avoiding the adhesion of metal parts during annealing

Title (de)

Verfahren zum kleberfreien Glühen von Metallteilen

Title (fr)

Procédé pour éviter le collage des pièces métalliques pendant le recuit

Publication

EP 1424402 B1 20070926 (DE)

Application

EP 03027065 A 20031125

Priority

DE 10255590 A 20021128

Abstract (en)

[origin: EP1424402A1] Annealing metal parts, especially steel parts containing chromium and manganese, comprises acquiring the dew point of the hydrogen-steam atmosphere during heat-maintaining and cooling, and automatically regulating by adjusting with empirically determined theoretical values.

IPC 8 full level

C21D 1/76 (2006.01); C21D 1/70 (2006.01); C21D 6/00 (2006.01)

CPC (source: EP)

C21D 1/70 (2013.01); C21D 1/76 (2013.01); C21D 6/002 (2013.01)

Citation (examination)

US 5772428 A 19980630 - VAN DEN SYPE JAAK STEFAAN [US], 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 1424402 A1 20040602; EP 1424402 B1 20070926; AT E374262 T1 20071015; DE 10255590 A1 20040617; DE 50308274 D1 20071108

DOCDB simple family (application)

EP 03027065 A 20031125; AT 03027065 T 20031125; DE 10255590 A 20021128; DE 50308274 T 20031125