Global Patent Index - EP 1080243 A1

EP 1080243 A1 2001-03-07 - LOW PRESSURE CARBONITRIDING METHOD FOR METAL ALLOY PARTS

Title (en)

LOW PRESSURE CARBONITRIDING METHOD FOR METAL ALLOY PARTS

Title (de)

VERFAHREN ZUM NIEDERDRÜCK-NITROCARBURIEREN METALLISCHER WERKSTÜCKE

Title (fr)

PROCEDE DE CARBONITRURATION A BASSE PRESSION DE PIECES EN ALLIAGE METALLIQUE

Publication

EP 1080243 A1 (FR)

Application

EP 99915850 A

Priority

  • FR 9900998 W
  • FR 9805311 A

Abstract (en)

[origin: FR2777911A1] Steel parts are carbo-nitrided with a fuel mixture of ethylene and hydrogen and ammonia (as active nitriding gas) at a pressure of less than 100 hPa and a temperature between 750 and 1050 deg C.

IPC 1-7 (main, further and additional classification)

C23C 8/32

IPC 8 full level (invention and additional information)

C23C 8/32 (2006.01)

CPC (invention and additional information)

C23C 8/32 (2013.01)

Citation (search report)

See references of WO 9955928A1

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI LU PT

EPO simple patent family

FR 2777911 A1 19991029; FR 2777911 B1 20000728; AT 220732 T 20020815; CA 2326239 A1 19991104; CA 2326239 C 20080219; DE 69902169 D1 20020822; DE 69902169 T2 20030227; EP 1080243 A1 20010307; EP 1080243 B1 20020717; ES 2179639 T3 20030116; PT 1080243 E 20021231; TW 460620 B 20011021; WO 9955928 A1 19991104

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