(19)

(11)

EP 1 611 006 A1

(12)

(43) Date of publication: 04.01.2006 Bulletin 2006/01 (21) Application number: 04724221.9 (22) Date of filing: 29.03.2004

(51) International Patent Classification (IPC):  B63C 11/20(1968.09) F16L 11/08(1968.09) (86) International application number: PCT/SE2004/000479 (87) International publication number: WO 2004/085241 (07.10.2004 Gazette 2004/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 28.03.2003 SE 0300898 (71) Applicant: INTERSPIRO AB 181 10 Lidingö (SE)	(72) Inventors: BÜHLMANN, Pierre S-181 62 Lidingö (SE) BOTOS, Imre S-187 62 Täby (SE) (74) Representative: Wennborg, Johan et al Kransell & Wennborg KB P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)