(19)
(11) EP 0 474 686 A1

(12)

(43) Date of publication:
18.03.1992 Bulletin 1992/12

(21) Application number: 90908232.0

(22) Date of filing: 04.06.1990
(51) International Patent Classification (IPC): 
B01D 46/ 12( . )
B04C 5/ 04( . )
B04C 9/ 00( . )
 B04C 5/ 02( . )
B04C 5/ 28( . )
F24C 15/ 20( . )
(86) International application number:
PCT/FI1990/000148
(87) International publication number:
WO 1990/014875 (13.12.1990 Gazette 1990/28)
(84) Designated Contracting States:
DE FR GB IT SE

(30) Priority: 05.06.1989 FI 19890002739
30.03.1990 FI 19900001635

(71) Applicant: JEVEN OY
SF-50170 Mikkeli (FI)

(72) Inventors:
  • VARTIAINEN, Pertti
    SF-82600 Tohmajärvi (FI)
  • VARTIAINEN, Seppo
    SF-50190 Mikkeli (FI)
  • KORHONEN, Kaarlo
    SF-50100 Mikkeli (FI)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
D-80538 München
D-80538 München (DE)

   


(54) FILTERING UNIT