(19)

(11)

EP 3 405 070 A1

(12)

(43) Date of publication: 28.11.2018 Bulletin 2018/48 (21) Application number: 16806977.1 (22) Date of filing: 07.06.2016

(51) International Patent Classification (IPC):  A47B 3/02(2006.01) (86) International application number: PCT/IB2016/053328 (87) International publication number: WO 2016/199014 (15.12.2016 Gazette 2016/50)

(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 Designated Validation States: MA (30) Priority: 08.06.2015 US 201514733229 (71) Applicant: Zhuhai Shichang Metals Ltd. Zhuhai City, Guangdong 519045 (CN)	(72) Inventor: LIN, Wen-Sheng deceased (CN) (74) Representative: Alier Benages, Elisabet  Consell de Cent, 417-419, 2-1. 08009 Barcelona 08009 Barcelona (ES)