(19)
(11)
EP 0 421 990 A1
(12)
(43)
Date of publication:
17.04.1991
Bulletin 1991/16
(21)
Application number:
88906850.0
(22)
Date of filing:
28.06.1988
(51)
International Patent Classification (IPC):
B22D
1/
00
( . )
(86)
International application number:
PCT/SE1988/000356
(87)
International publication number:
WO 1990/000242
(
11.01.1990
Gazette 1990/02)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE
(71)
Applicant:
AGA AKTIEBOLAG
S-181 81 Lidingö (SE)
(72)
Inventors:
BRUNNER, Mikael
S-183 30 Täby (SE)
GRIPENBERG, Henrik
S-112 39 Stockholm (SE)
(74)
Representative:
Wiedemann, Bernd
AGA AKTIEBOLAG Patent Department
S-181 81 Lidingö
S-181 81 Lidingö (SE)
(54)
SCAVENGING OF GAS THROUGH A MELT IN A LADLE