(19)

(11)

EP 1 592 912 A1

(12)

(43) Date of publication: 09.11.2005 Bulletin 2005/45 (21) Application number: 04707280.6 (22) Date of filing: 02.02.2004

(51) International Patent Classification (IPC)7: F16L 37/42 (86) International application number: PCT/IT2004/000035 (87) International publication number: WO 2004/072537 (26.08.2004 Gazette 2004/35)

(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 Designated Extension States: AL LT LV MK (30) Priority: 12.02.2003 IT BS20030014 (71) Applicant: Emer S.r.l. 25060 Collebeato,Brescia (IT)	(72) Inventor: GOBBI, Francesco I-25060 Collebeato (IT) (74) Representative: Sangiacomo, Fulvia  BIESSE S.R.L., Corso Matteotti 42 25122 Brescia 25122 Brescia (IT)