(19)

(11)

EP 1 856 321 A1

(12)

(43) Date of publication: 21.11.2007 Bulletin 2007/47 (21) Application number: 06710515.5 (22) Date of filing: 07.03.2006

(51) International Patent Classification (IPC):  D06F 57/12(2006.01) (86) International application number: PCT/IB2006/000500 (87) International publication number: WO 2006/095246 (14.09.2006 Gazette 2006/37)

(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: 08.03.2005 PT 1002305 (71) Applicant: Pinheiro, José, Joaquim da Costa 4150-789 Porto (PT)	(72) Inventor: Pinheiro, José, Joaquim da Costa 4150-789 Porto (PT) (74) Representative: Magalhaes Simoes, José Raul et al Simoes, Garcia, Corte-Real & Associados - Consultores, Lda. Av. Estados Unidos de América, No 131,7o-C 1700-173 Lisboa 1700-173 Lisboa (PT)