(19)

(11)

EP 3 601 693 A1

(12)

(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 17902652.1 (22) Date of filing: 31.03.2017

(51) International Patent Classification (IPC):  E04B 9/24(2006.01) (86) International application number: PCT/US2017/025316 (87) International publication number: WO 2018/182677 (04.10.2018 Gazette 2018/40)

(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: Murao, Takehiro New York, NY 10016 (US)	(72) Inventor: Murao, Takehiro New York, NY 10016 (US) (74) Representative: FRKelly  27 Clyde Road Dublin D04 F838 Dublin D04 F838 (IE)