(19)
(11) EP 0 096 041 A1

(12)

(43) Date of publication:
21.12.1983 Bulletin 1983/51

(21) Application number: 82903355.0

(22) Date of filing: 04.11.1982
(51) International Patent Classification (IPC): 
B01D 37/ 04( . )
D21G 9/ 00( . )
D21D 5/ 02( . )
(86) International application number:
PCT/SE1982/000366
(87) International publication number:
WO 1983/001969 (09.06.1983 Gazette 1983/14)
(84) Designated Contracting States:
DE FR SE

(30) Priority: 24.11.1981 SE 19810006985

(71) Applicant: WIKDAHL, Nils Anders Lennart
S-182 64 Djursholm (SE)

(72) Inventor:
  • WIKDAHL, Nils Anders Lennart
    S-182 64 Djursholm (SE)

(74) Representative: Wiedemann, Bernd W 
NOSS AB Bravallavägen 42
S-182 64 Djursholm
S-182 64 Djursholm (SE)

   


(54) METHOD OF PREVENTING CLOGGING A SCREENING MEANS