(19)

(11)

EP 2 547 855 A1

(12)

(43) Date of publication: 23.01.2013 Bulletin 2013/04 (21) Application number: 10847682.1 (22) Date of filing: 19.03.2010

(51) International Patent Classification (IPC):  E06B 7/02(2006.01) F24F 13/18(2006.01) (86) International application number: PCT/CN2010/071170 (87) International publication number: WO 2011/113213 (22.09.2011 Gazette 2011/38)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Dong, Zhijun Ning Bo 315177 (CN)	(72) Inventor: Dong, Zhijun Ning Bo 315177 (CN) (74) Representative: Cabinet Plasseraud  52, rue de la Victoire 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)