(19)

(11)

EP 2 430 348 A1

(12)

(43) Date of publication: 21.03.2012 Bulletin 2012/12 (21) Application number: 09776611.7 (22) Date of filing: 14.05.2009

(51) International Patent Classification (IPC):  F16L 5/04(2006.01) B63B 21/04(2006.01) (86) International application number: PCT/EP2009/003436 (87) International publication number: WO 2010/130274 (18.11.2010 Gazette 2010/46)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR (71) Applicant: Navalimpianti S.P.A. 16014 Ceranesi (IT)	(72) Inventor: LUCIGNANI, Gianfranco I-16014 Ceranesi (GE) (IT) (74) Representative: D'Agostini, Giovanni  D'AGOSTINI ORGANIZZAZIONE SRL, Via G. Giusti 17 33100 Udine 33100 Udine (IT)