EP 0867524 B1 20020703 - Method for masking a portion of metal to be carburized or nitrided
Title (en)
Method for masking a portion of metal to be carburized or nitrided
Title (de)
Maskierungsmethode zur lokalen Carbonisierung oder Nitrierung eines Metalles
Title (fr)
Procédé de masquage pour carboniser ou nitrurer localement un métal
Publication
Application
Priority
JP 7733497 A 19970328
Abstract (en)
[origin: EP0867524A1] The object of the present invention is to provide a method for masking a portion of a material to be carburized or nitrided in partial carburizing and nitriding treatment, in which the powder for prevention of carburizing or nitriding is coated on metal materials, only the portion to be masked is heated by laser beam, so that the powder is fused and bonded to form a masking film on said portion alone. <IMAGE>
IPC 1-7
IPC 8 full level
C23C 8/20 (2006.01); C21D 1/09 (2006.01); C21D 1/34 (2006.01); C21D 1/70 (2006.01); C23C 8/04 (2006.01); C23C 8/24 (2006.01)
CPC (source: EP KR)
C23C 8/04 (2013.01 - EP); C23C 20/06 (2013.01 - KR); C23C 24/00 (2013.01 - KR)
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
EP 0867524 A1 19980930; EP 0867524 B1 20020703; DE 69806294 D1 20020808; DE 69806294 T2 20030313; JP 3145330 B2 20010312; JP H10273771 A 19981013; KR 100591505 B1 20060830; KR 19980080817 A 19981125
DOCDB simple family (application)
EP 98105629 A 19980327; DE 69806294 T 19980327; JP 7733497 A 19970328; KR 19980010869 A 19980328