(19)

(11)

EP 2 215 318 A2

(12)

(88) Date of publication A3: 20.08.2009 (43) Date of publication: 11.08.2010 Bulletin 2010/32 (21) Application number: 08848616.2 (22) Date of filing: 13.11.2008

(51) International Patent Classification (IPC):  E04F 15/024(2006.01) (86) International application number: PCT/BR2008/000340 (87) International publication number: WO 2009/062275 (22.05.2009 Gazette 2009/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 13.11.2007 BR PI0704162 20.03.2008 BR  16.10.2008 BR  (71) Applicant: Vac, Marco Antonio São Paulo 01231-001 SP (BR)	(72) Inventor: Vac, Marco Antonio São Paulo 01231-001 SP (BR) (74) Representative: Wagner, Wolfgang Heribert  Zimmerli, Wagner & Partner AG Apollostrasse 2 Postfach 1021 8032 Zürich 8032 Zürich (CH)