(19)

(11)

EP 0 062 048 A1

(12)

(43) Date of publication: 13.10.1982 Bulletin 1982/41 (21) Application number: 81902738.0 (22) Date of filing: 09.10.1981

(51) International Patent Classification (IPC):  A01C 1/ 00( . ) (86) International application number: PCT/AU1981/000144 (87) International publication number: WO 1982/001297 (29.04.1982 Gazette 1982/11)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 10.10.1980 AU 19800006000 (71) Applicant: QUICK, Douglas William Dean, Vic. 3352 (AU)	(72) Inventor: QUICK, Douglas William Dean, Vic. 3352 (AU) (74) Representative: Frankland, Nigel Howard  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)