(19)

(11)

EP 1 799 928 A1

(12)

(43) Date of publication: 27.06.2007 Bulletin 2007/26 (21) Application number: 05737786.3 (22) Date of filing: 10.05.2005

(51) International Patent Classification (IPC):  E04B 5/19(2006.01) E04B 5/21(2006.01) (86) International application number: PCT/IB2005/001406 (87) International publication number: WO 2006/040624 (20.04.2006 Gazette 2006/16)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 13.10.2004 IT MI20041935 (71) Applicant: PLASTEDIL S.A. 6830 Chiasso (CH)	(72) Inventor: CRETTI, Piero CH-6835 Morbio Superiore (CH) (74) Representative: Bottero, Claudio et al Porta, Checcacci & Associati S.p.A. Via Trebbia, 20 20135 Milano 20135 Milano (IT)