(19)
(11)
EP 0 397 729 A1
(12)
(43)
Date of publication:
22.11.1990
Bulletin 1990/47
(21)
Application number:
89901481.0
(22)
Date of filing:
28.12.1988
(51)
International Patent Classification (IPC):
B23P
15/
28
( . )
C23C
8/
36
( . )
B22F
3/
24
( . )
C23C
30/
00
( . )
(86)
International application number:
PCT/EP1988/001209
(87)
International publication number:
WO 1989/006288
(
13.07.1989
Gazette 1989/15)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
28.12.1987
JP 19860003360
(71)
Applicants:
HAMAMATSU NETSUSHORI KOGYO CO., LTD.
Chuo-ku Tokyo (JP)
NIPPON IONON CO., LTD.
Minato-ku Tokyo (JP)
Klöckner Ionon GmbH
D-51379 Leverkusen (DE)
(72)
Inventor:
MIYAZAWA, Toshio
Shizuoka-ken 420 (JP)
(74)
Representative:
Bauer, Wulf, Dr.
Bayenthalgürtel 15
D-50968 Köln (Marienburg)
D-50968 Köln (Marienburg) (DE)
(54)
ION-NITRIDED CERMET TIP AND METHOD FOR PRODUCING THE SAME