(19)

(11)

EP 0 091 465 A1

(12)

(43) Date of publication: 19.10.1983 Bulletin 1983/42 (21) Application number: 82903172.0 (22) Date of filing: 20.10.1982

(51) International Patent Classification (IPC):  A01G 31/ 02( . ) (86) International application number: PCT/GB1982/000297 (87) International publication number: WO 1983/001365 (28.04.1983 Gazette 1983/10)

(84) Designated Contracting States: AT BE CH DE FR LI NL SE (30) Priority: 21.10.1981 GB 19810031743 (71) Applicants: TUCKER, Leslie Robert Bridgwater, Somerset (GB) TUCKER, Cristopher Lewis Bridgwater, Somerset (GB)	(72) Inventors: TUCKER, Leslie Robert Bridgwater, Somerset (GB) TUCKER, Cristopher Lewis Bridgwater, Somerset (GB) (74) Representative: Carter, Gerald  Arthur R. Davies & Co. 27 Imperial Square Cheltenham, Gloucestershire GL50 1RQ Cheltenham, Gloucestershire GL50 1RQ (GB)