(19)

(11)

EP 1 611 298 A1

(12)

(43) Date of publication: 04.01.2006 Bulletin 2006/01 (21) Application number: 03720865.9 (22) Date of filing: 07.04.2003

(51) International Patent Classification (IPC):  E04D 3/35(1968.09) (86) International application number: PCT/IT2003/000210 (87) International publication number: WO 2004/090255 (21.10.2004 Gazette 2004/43)

(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 (71) Applicant: METECNO S.p.A. 20067 Tribiano (IT)	(72) Inventor: MORANDI, Maurizio I-10143 Torino (IT) (74) Representative: Ferroni, Filippo et al Dragotti & Associati srl Via Turati 32 20121 Milano 20121 Milano (IT)