(19)

(11)

EP 0 155 308 A1

(12)

(43) Date of publication: 25.09.1985 Bulletin 1985/39 (21) Application number: 84903494.0 (22) Date of filing: 20.09.1984

(51) International Patent Classification (IPC):  B63C 11/ 40( . ) F16L 55/ 103( . ) F16J 15/ 40( . ) (86) International application number: PCT/GB1984/000320 (87) International publication number: WO 1985/001262 (28.03.1985 Gazette 1985/08)

(84) Designated Contracting States: DE FR NL (30) Priority: 20.09.1983 GB 19830025150 (71) Applicant: D.W.G. PARTNERS LIMITED St. Helier Jersey Channel Islands (GB)	(72) Inventor: SINCLAIR-BROWN, N., P., M. London WC1N 1HD (GB)