(19)

(11)

EP 1 931 839 A1

(12)

(43) Date of publication: 18.06.2008 Bulletin 2008/25 (21) Application number: 06796279.5 (22) Date of filing: 06.09.2006

(51) International Patent Classification (IPC):  E04D 13/08(2006.01) F16L 3/10(2006.01) (86) International application number: PCT/IT2006/000643 (87) International publication number: WO 2007/032040 (22.03.2007 Gazette 2007/12)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 16.09.2005 IT RM20050473 (71) Applicant: Tecno Imac SpA 00165 Roma (IT)	(72) Inventor: CARUSI, Ivano I-00165 Roma (IT) (74) Representative: Sarpi, Maurizio  Studio FERRARIO Via Collina, 36 I-00187 Roma I-00187 Roma (IT)