(19)

(11)

EP 1 641 987 A1

(12)

(43) Date of publication: 05.04.2006 Bulletin 2006/14 (21) Application number: 03736001.3 (22) Date of filing: 20.06.2003

(51) International Patent Classification (IPC):  E04D 3/35(1968.09) E04D 13/17(1995.01) E04D 3/30(1968.09) E04D 13/16(1968.09) (86) International application number: PCT/IT2003/000382 (87) International publication number: WO 2005/003485 (13.01.2005 Gazette 2005/02)

(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 (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)