(19)

(11)

EP 0 581 796 A1

(12)

(43) Date of publication: 09.02.1994 Bulletin 1994/06 (21) Application number: 92908296.0 (22) Date of filing: 15.04.1992

(51) International Patent Classification (IPC):  H05B 3/ 20( . ) H05B 3/ 14( . ) A01K 63/ 06( . ) H05B 3/ 28( . ) (86) International application number: PCT/GB1992/000689 (87) International publication number: WO 1992/020200 (12.11.1992 Gazette 1992/28)

(84) Designated Contracting States: BE DE ES FR GB IT NL SE (30) Priority: 26.04.1991 GB 19910009110 25.03.1992 GB 19920006453 (71) Applicant: MERRIOT MOULDINGS LIMITED Somerset TA16 5PG (GB)	(72) Inventor: HARRISON, Douglas, John Somerset TA18 8JG (GB) (74) Representative: Higgins, Michael Roger, et al  A.R. Davies & Co. 27, Imperial Square Cheltenham Glos. GL50 1RQ Cheltenham Glos. GL50 1RQ (GB)