(19)

(11)

EP 3 573 491 A1

(12)

(43) Date of publication: 04.12.2019 Bulletin 2019/49 (21) Application number: 17894144.9 (22) Date of filing: 30.06.2017

(51) International Patent Classification (IPC):  A44C 5/00(2006.01) (86) International application number: PCT/IB2017/053964 (87) International publication number: WO 2018/138558 (02.08.2018 Gazette 2018/31)

(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 Extension States: BA ME Designated Validation States: MA MD (30) Priority: 24.01.2017 CN 201720105039 U (71) Applicant: Beijing Yue Xiu Sheng He Xian Co., Ltd Beijing 101116 (CN)	(72) Inventor: QUANXIN, Hua Beijing 101116 (CN) (74) Representative: Lorente Berges, Ana  A2 Estudio Legal C/Alcalá 143, 3° Dcha. 28009 Madrid 28009 Madrid (ES)