EP 1885904 A1 20080213 - LOW PRESSURE CARBONITRIDING METHOD AND DEVICE
Title (en)
LOW PRESSURE CARBONITRIDING METHOD AND DEVICE
Title (de)
NIEDERDRUCKCARBONITRIERVERFAHREN UND -VORRICHTUNG
Title (fr)
PROCEDE ET FOUR DE CARBONITRURATION A BASSE PRESSION
Publication
Application
Priority
- FR 2006050357 W 20060419
- FR 0550996 A 20050419
Abstract (en)
[origin: CA2604785A1] The invention relates to a method for carbonitriding a steel part placed in an enclosure (14) held at a low internal pressure wherein the steel part is hel d within a temperature range. The inventive method consists in alternating fir st and second stages, in injecting a cementing gas into the enclosure only duri ng the first stages and in injecting a nitriding gas into the enclosure during at least one part of at least two second stages.
IPC 8 full level
C23C 8/34 (2006.01)
CPC (source: EP KR US)
C23C 8/30 (2013.01 - KR); C23C 8/32 (2013.01 - EP KR US); C23C 8/34 (2013.01 - EP US)
Citation (search report)
See references of WO 2006111683A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
FR 2884523 A1 20061020; FR 2884523 B1 20080111; AT E451484 T1 20091215; BR PI0608493 A2 20100105; CA 2604785 A1 20061026; CA 2604785 C 20140415; CN 100569992 C 20091216; CN 101180416 A 20080514; DE 602006010997 D1 20100121; EP 1885904 A1 20080213; EP 1885904 B1 20091209; EP 1885904 B2 20170201; JP 2008538386 A 20081023; JP 5046245 B2 20121010; KR 101328110 B1 20131108; KR 20080005281 A 20080110; MX 2007012964 A 20071210; US 2011036462 A1 20110217; US 2013042947 A1 20130221; US 8303731 B2 20121106; US 8784575 B2 20140722; WO 2006111683 A1 20061026
DOCDB simple family (application)
FR 0550996 A 20050419; AT 06743815 T 20060419; BR PI0608493 A 20060419; CA 2604785 A 20060419; CN 200680013305 A 20060419; DE 602006010997 T 20060419; EP 06743815 A 20060419; FR 2006050357 W 20060419; JP 2008507141 A 20060419; KR 20077026914 A 20060419; MX 2007012964 A 20060419; US 201213657112 A 20121022; US 91880506 A 20060419