(19)

(11)

EP 0 615 407 A1

(12)

(43) Date of publication: 21.09.1994 Bulletin 1994/38 (21) Application number: 92924741.0 (22) Date of filing: 03.12.1992

(51) International Patent Classification (IPC):  A01K 85/ 00( . ) A01K 85/ 16( . ) A01K 85/ 14( . ) A01K 91/ 06( . ) (86) International application number: PCT/FI1992/000331 (87) International publication number: WO 1993/010660 (10.06.1993 Gazette 1993/14)

(84) Designated Contracting States: BE DE DK ES FR GB GR IT NL SE (30) Priority: 04.12.1991 FI 19910005710 (71) Applicant: OY PAT. FISH LTD SF-32610 Vampula (FI)	(72) Inventor: HIRVONEN, Heikki, Sakari SF-33101 Tampere (FI) (74) Representative: Örtenblad, Bertil Tore  Noréns Patentbyra AB Box 27034 S-102 51 Stockholm S-102 51 Stockholm (SE)