(19)
(11)
EP 0 674 554 A1
(12)
(43)
Date of publication:
04.10.1995
Bulletin 1995/40
(21)
Application number:
94902995.0
(22)
Date of filing:
16.12.1993
(51)
International Patent Classification (IPC):
B22C
7/
02
( . )
B22C
9/
10
( . )
B22C
9/
04
( . )
(86)
International application number:
PCT/HU1993/000073
(87)
International publication number:
WO 1994/013415
(
23.06.1994
Gazette 1994/14)
(84)
Designated Contracting States:
AT BE CH DE FR GB LI NL SE
(30)
Priority:
17.12.1992
HU 19920003991
17.12.1992
HU 19920003992
(71)
Applicants:
Gál, György
H-1213 Budapest (HU)
Gál, Tibor
H-1213 Budapest (HU)
(72)
Inventors:
Gál, György
H-1213 Budapest (HU)
Gál, Tibor
H-1213 Budapest (HU)
(74)
Representative:
Patentanwälte Viering, Jentschura & Partner
Postfach 22 14 43
D-80504 München
D-80504 München (DE)
(54)
METHOD OF PREPARING A CASTING MOULD FOR PRECISION CASTING