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(11)

EP 2 102 541 A1

(12)

(43) Date of publication: 23.09.2009 Bulletin 2009/39 (21) Application number: 06832327.8 (22) Date of filing: 20.11.2006

(51) International Patent Classification (IPC):  F16L 55/11(2006.01) (86) International application number: PCT/IT2006/000808 (87) International publication number: WO 2008/062483 (29.05.2008 Gazette 2008/22)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (71) Applicant: DYTECH - Dynamic Fluid Technologies S.p.A. 10123 Torino (IT)	(72) Inventor: DEFILIPPI, Roberto 10141 TORINO (IT) (74) Representative: Mola, Edoardo et al Studio Torta S.r.l. Via Viotti, 9 I-10121 Torino I-10121 Torino (IT)