(19)

(11)

EP 1 687 559 A1

(12)

(43) Date of publication: 09.08.2006 Bulletin 2006/32 (21) Application number: 03786199.4 (22) Date of filing: 05.12.2003

(51) International Patent Classification (IPC):  F16L 37/252(2006.01) F16L 37/113(2006.01) (86) International application number: PCT/IT2003/000806 (87) International publication number: WO 2005/052432 (09.06.2005 Gazette 2005/23)

(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 PT RO SE SI SK TR (30) Priority: 25.11.2003 IT MI20032295 (71) Applicant: Banzato, Santino 14049 Nizza Monferrato (IT)	(72) Inventor: Banzato, Santino 14049 Nizza Monferrato (IT) (74) Representative: Mocchetti, Ilio G.  Via Aldrovandi, 7 20129 Milano 20129 Milano (IT)