EP 1885904 B2 20170201 - LOW PRESSURE CARBONITRIDING METHOD

Title (en)

LOW PRESSURE CARBONITRIDING METHOD

Title (de)

NIEDERDRUCKCARBONITRIERVERFAHREN

Title (fr)

PROCEDE DE CARBONITRURATION A BASSE PRESSION

Publication

EP 1885904 B2 20170201 (FR)

Application

EP 06743815 A 20060419

Priority

FR 2006050357 W 20060419
FR 0550996 A 20050419

Abstract (en)

[origin: US8784575B2] A method for carbonitriding a steel part arranged in an enclosure maintained at a reduced internal pressure, the part being maintained at a temperature level, comprising an alternation of first and second steps, a carburizing gas being injected into the enclosure during the first steps only and a nitriding gas being injected into the enclosure only during at least part of at least two second steps.

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 (opposition)

Opponent :

EP 1080243 B1 20020717 - AUBERT & DUVAL SA [FR]
DE 69902169 T2 20030227 - AUBERT & DUVAL NEUILLY SUR SEI [FR]
FR 2271295 A1 19751212 - AIR LIQUIDE [FR]
DE 19909694 A1 20000914 - STIFTUNG INST FUER WERKSTOFFTE [DE]
DE 10322255 A1 20041202 - ALD VACUUM TECHN AG [DE]
BAUSCH T. ET AL: "Innovative Zahnradfertigung", vol. 3, 2006, EXPERT VERLAG, RENNINGEN, pages: 392 - 393

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