(19)

(11)

EP 0 359 812 A1

(12)

(43) Date of publication: 28.03.1990 Bulletin 1990/13 (21) Application number: 89904586.0 (22) Date of filing: 15.03.1989

(51) International Patent Classification (IPC):  A01G 9/ 00( . ) (86) International application number: PCT/GB1989/000264 (87) International publication number: WO 1989/008382 (21.09.1989 Gazette 1989/23)

(84) Designated Contracting States: AT BE DE FR GB IT NL SE (30) Priority: 15.03.1988 GB 19880006121 (71) Applicant: HEARNE, Keith Melvyn Trevor Nr Reading, Berkshire RG8 8DA (GB)	(72) Inventor: HEARNE, Keith Melvyn Trevor Nr Reading, Berkshire RG8 8DA (GB) (74) Representative: Oulton, Richard John  R.J. OULTON & CO., First Floor, Pearl Assurance Buildings, Land of Green Ginger Hull, Humberside HU1 2EA Hull, Humberside HU1 2EA (GB)