(19)

(11)

EP 0 118 463 A1

(12)

(43) Date of publication: 19.09.1984 Bulletin 1984/38 (21) Application number: 83902438.0 (22) Date of filing: 03.08.1983

(51) International Patent Classification (IPC):  A01G 9/ 16( . ) E04H 15/ 40( . ) A01G 13/ 02( . ) (86) International application number: PCT/GB1983/000190 (87) International publication number: WO 1984/000467 (16.02.1984 Gazette 1984/05)

(84) Designated Contracting States: BE DE FR GB NL (30) Priority: 04.08.1982 GB 19820022506 (71) Applicants: PENTON, Elliott Cornwall (GB) STONE, David George Peter Devon Pl3 4AL (GB)	(72) Inventors: PENTON, Elliott Cornwall (GB) STONE, David George Peter Devon Pl3 4AL (GB) (74) Representative: Stephens, Michael John  M.J. Stephens & Co. 46 Tavistock Place Plymouth PL4 8AX Plymouth PL4 8AX (GB)