(19)

(11)

EP 0 961 544 A1

(12)

(43) Date of publication: 08.12.1999 Bulletin 1999/49 (21) Application number: 98901590.0 (22) Date of filing: 16.01.1998

(51) International Patent Classification (IPC):  A01K 61/ 00( . ) (86) International application number: PCT/NO1998/000015 (87) International publication number: WO 1998/031217 (23.07.1998 Gazette 1998/29)

(84) Designated Contracting States: ES FR GB GR IE IT (30) Priority: 20.01.1997 NO 19970000233 (71) Applicant: Refa AS 9301 Finnsnes (NO)	(72) Inventors: MIDLING, Kjell N-9014 Troms (NO) AAS, K re N-9018 Troms (NO) J RGENSEN, Svein, H. N-9370 Silsand (NO) (74) Representative: Lind, Charles Leo  c/o Linds Patentbureau Ellekrattet 20 2950 Vedbaek 2950 Vedbaek (DK)