(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