(19)

(11)

EP 1 257 759 A1

(12)

(43) Date of publication: 20.11.2002 Bulletin 2002/47 (21) Application number: 01913907.0 (22) Date of filing: 23.02.2001

(51) International Patent Classification (IPC)7: F16L 21/08, F16L 37/091 (86) International application number: PCT/FI0100/192 (87) International publication number: WO 0106/3163 (30.08.2001 Gazette 2001/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 24.02.2000 FI 20000432 (71) Applicant: Uponor Innovation AB 513 81 Fristad (SE)	(72) Inventor: JÄRVENKYLÄ, Jyri FIN-15870 Hollola (FI) (74) Representative: Huhtanen, Ossi Jaakko  Kolster Oy AB,Iso Roobertinkatu 23,P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)