(19)

(11)

EP 1 943 397 A1

(12)

(43) Date of publication: 16.07.2008 Bulletin 2008/29 (21) Application number: 06701489.4 (22) Date of filing: 31.01.2006

(51) International Patent Classification (IPC):  E04F 19/06(2006.01) (86) International application number: PCT/PT2006/000005 (87) International publication number: WO 2007/008094 (18.01.2007 Gazette 2007/03)

(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 (30) Priority: 07.07.2005 PT 1005705 U (71) Applicant: Carvalhais, Rodrigues Fernando P-2840-409 Amora (PT)	(72) Inventor: Carvalhais, Rodrigues Fernando P-2840-409 Amora (PT) (74) Representative: Pereira da Cruz, Joao et al J. Pereira da Cruz, S.A. Rua Vitor Cordon, 14 1249-103 Lisboa 1249-103 Lisboa (PT)