(19)

(11)

EP 2 702 214 A1

(12)

(43) Date of publication: 05.03.2014 Bulletin 2014/10 (21) Application number: 12777800.9 (22) Date of filing: 26.04.2012

(51) International Patent Classification (IPC):  E04D 1/30(2006.01) E04B 7/12(2006.01) E04D 1/02(2006.01) E04B 1/00(2006.01) (86) International application number: PCT/IB2012/052079 (87) International publication number: WO 2012/147039 (01.11.2012 Gazette 2012/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 26.04.2011 HK 11104140 (71) Applicant: Lin, Chi Kin Hong Kong (CN)	(72) Inventor: Lin, Chi Kin Hong Kong (CN) (74) Representative: Legg, Cyrus James Grahame et al Abel & Imray 20 Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)