(19)

(11)

EP 0 197 081 A1

(12)

(43) Date of publication: 15.10.1986 Bulletin 1986/42 (21) Application number: 85904845.0 (22) Date of filing: 01.10.1985

(51) International Patent Classification (IPC):  A01K 1/ 00( . ) G05D 23/ 19( . ) A01K 1/ 02( . ) (86) International application number: PCT/GB1985/000446 (87) International publication number: WO 1986/002433 (24.04.1986 Gazette 1986/09)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 09.10.1984 GB 19840025451 (71) Applicant: KNOCK, Christopher Alan Stowmarket Suffolk IP14 2HE (GB)	(72) Inventor: KNOCK, Christopher Alan Stowmarket Suffolk IP14 2HE (GB)