(19)

(11)

EP 0 112 877 A1

(12)

(43) Date of publication: 11.07.1984 Bulletin 1984/28 (21) Application number: 83902110.0 (22) Date of filing: 28.06.1983

(51) International Patent Classification (IPC):  E02F 5/ 10( . ) E02F 9/ 02( . ) (86) International application number: PCT/GB1983/000162 (87) International publication number: WO 1984/000183 (19.01.1984 Gazette 1984/02)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 29.06.1982 GB 19820018816 (71) Applicant: CARSTENS, Daniel Kai Santa Ana, California 92706 (US)	(72) Inventor: CARSTENS, Daniel Kai Santa Ana, California 92706 (US) (74) Representative: Warren, Keith Stanley, et al  BARON & WARREN 18 South End Kensington London W8 5BU London W8 5BU (GB)