(19)

(11)

EP 3 568 536 A1

(12)

(43) Date of publication: 20.11.2019 Bulletin 2019/47 (21) Application number: 17890866.1 (22) Date of filing: 11.01.2017

(51) International Patent Classification (IPC):  E04B 1/61(2006.01) E04B 1/38(2006.01) E04B 1/58(2006.01) (86) International application number: PCT/CN2017/070884 (87) International publication number: WO 2018/129673 (19.07.2018 Gazette 2018/29)

(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 (71) Applicant: Concept Modular Limited Hong Kong (CN)	(72) Inventor: PAY, David John Hong Kong (CN) (74) Representative: Cabinet Netter  36, avenue Hoche 75008 Paris 75008 Paris (FR)