(19)

(11)

EP 0 975 913 A1

(12)

(43) Date of publication: 02.02.2000 Bulletin 2000/05 (21) Application number: 98917415.6 (22) Date of filing: 20.04.1998

(51) International Patent Classification (IPC)7: F16L 41/14 (86) International application number: PCT/GB9801/148 (87) International publication number: WO 9848/210 (29.10.1998 Gazette 1998/43)

(84) Designated Contracting States: BE DE DK FR GB IT NL (30) Priority: 18.04.1997 GB 9707917 (71) Applicant: Glynwed Pipe Systems Limited Coleshill,Birmingham B46 3BP (GB)	(72) Inventors: WELFARE, Andrew Padiham,Lancs BB12 8PX (GB) THROUP, Simon, Graig Silsden,West Yorks BD20 0LE (GB) (74) Representative: Holmes, Matthew Peter et al MARKS & CLERK,Sussex House,83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)