(19)

(11)

EP 1 676 007 A2

(12)

(88) Date of publication A3: 12.05.2005 (43) Date of publication: 05.07.2006 Bulletin 2006/27 (21) Application number: 04744084.7 (22) Date of filing: 29.07.2004

(51) International Patent Classification (IPC):  E03D 11/00(1968.09) (86) International application number: PCT/IB2004/002430 (87) International publication number: WO 2005/011552 (10.02.2005 Gazette 2005/06)

(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 PL PT RO SE SI SK TR (30) Priority: 01.08.2003 US 633088 (71) Applicants: Ramirez Montanana, Arturo Monterrey Nuevo Leon 66290 (MX) Garza Laguera garza, Javier Monterrey Nuevo Leon 66290 (MX)	(72) Inventors: Ramirez Montanana, Arturo Monterrey Nuevo Leon 66290 (MX) Garza Laguera garza, Javier Monterrey Nuevo Leon 66290 (MX) (74) Representative: Beck, Simon Antony et al Withers & Rogers LLP Goldings House, 2 Hays Lane London SE1 2HW London SE1 2HW (GB)