(19)

(11)

EP 0 676 019 A1

(12)

(43) Date of publication: 11.10.1995 Bulletin 1995/41 (21) Application number: 94902936.0 (22) Date of filing: 22.12.1993

(51) International Patent Classification (IPC):  F16L 19/ 08( . ) (86) International application number: PCT/GB1993/002630 (87) International publication number: WO 1994/015131 (07.07.1994 Gazette 1994/15)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 24.12.1992 GB 19920026906 24.12.1992 GB 19920026907 (71) Applicant: F.W. TALBOT & COMPANY Ltd Winchester, Hampshire S023 8LL (GB)	(72) Inventors: EDGERLEY, David Anthony London N6 6AL (GB) LACY, Graham Keith London SW4 9HY (GB) (74) Representative: Johnson, Terence Leslie  Edward Evans & Co. Chancery House 53-64 Chancery Lane London WC2A 1SD London WC2A 1SD (GB)