(19)

(11)

EP 3 814 585 A1

(12)

(43) Date of publication: 05.05.2021 Bulletin 2021/18 (21) Application number: 18758806.6 (22) Date of filing: 28.06.2018

(51) International Patent Classification (IPC):  E04F 15/024(2006.01) (86) International application number: PCT/EP2018/000325 (87) International publication number: WO 2020/001723 (02.01.2020 Gazette 2020/01)

(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: KH MA MD TN (71) Applicant: Knauf Gips KG 97346 Iphofen (DE)	(72) Inventor: SUTHHOF, Michael 22525 Hamburg (DE)