(19)
(11)
EP 0 672 232 A1
(12)
(43)
Date of publication:
20.09.1995
Bulletin 1995/38
(21)
Application number:
94901966.0
(22)
Date of filing:
09.12.1993
(51)
International Patent Classification (IPC):
E04H
1/
12
( . )
B01D
53/
34
( . )
F24F
3/
16
( . )
B01D
46/
00
( . )
B01D
53/
81
( . )
F24F
3/
044
( . )
(86)
International application number:
PCT/FI1993/000530
(87)
International publication number:
WO 1994/014013
(
23.06.1994
Gazette 1994/14)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
11.12.1992
FI 19920005653
(71)
Applicant:
RAIPPALINNA, Jaakko
SF-07900 Loviisa (FI)
(72)
Inventor:
RAIPPALINNA, Jaakko
SF-07900 Loviisa (FI)
(74)
Representative:
Weitzel, Wolfgang, Dr.-Ing. Patentanwalt
Friedenstrasse 10
D-89522 Heidenheim
D-89522 Heidenheim (DE)
(54)
FILTER SYSTEM TO PURIFY AIR OF SMOKING ROOMS