(19)

(11)

EP 3 927 909 A1

(12)

(43) Date of publication: 29.12.2021 Bulletin 2021/52 (21) Application number: 19709368.5 (22) Date of filing: 19.02.2019

(51) International Patent Classification (IPC):  E04F 15/02(2006.01) E04F 15/18(2006.01) E04F 15/20(2006.01) E04F 15/14(2006.01) (52) Cooperative Patent Classification (CPC): E04F 15/02005; E04F 15/20; E04F 15/142 (86) International application number: PCT/EP2019/000048 (87) International publication number: WO 2020/169168 (27.08.2020 Gazette 2020/35)

(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: MÖRCHEL, Jan 97342 Obernbreit (DE)