(19)

(11)

EP 0 130 209 A1

(12)

(43) Date of publication: 09.01.1985 Bulletin 1985/02 (21) Application number: 84900405.0 (22) Date of filing: 29.12.1983

(51) International Patent Classification (IPC):  F03B 17/ 00( . ) (86) International application number: PCT/GB1983/000351 (87) International publication number: WO 1984/002748 (19.07.1984 Gazette 1984/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 30.12.1982 GB 19820036855 (71) Applicant: GILLIES, Robert William Borehamwood, Herts (GB)	(72) Inventor: GILLIES, Robert William Borehamwood, Herts (GB)