(19)

(11)

EP 0 127 661 A1

(12)

(43) Date of publication: 12.12.1984 Bulletin 1984/50 (21) Application number: 84900084.0 (22) Date of filing: 05.12.1983

(51) International Patent Classification (IPC):  E02F 7/ 10( . ) F16L 1/ 24( . ) (86) International application number: PCT/GB1983/000317 (87) International publication number: WO 1984/002170 (07.06.1984 Gazette 1984/14)

(84) Designated Contracting States: BE DE FR GB NL (30) Priority: 03.12.1982 GB 19820034554 14.03.1983 GB 19830006983 (71) Applicant: MULTIFINE LIMITED Brackley Northants (GB)	(72) Inventor: WAYTE, Noel, Roger Banbury Oxon (GB) (74) Representative: Cline, Roger Ledlie  EDWARD EVANS & CO. Chancery House 53-64 Chancery Lane London WC2A 1SD London WC2A 1SD (GB)