(19)

(11)

EP 3 826 815 A1

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(43) Date of publication: 02.06.2021 Bulletin 2021/22 (21) Application number: 18752685.0 (22) Date of filing: 25.07.2018

(51) International Patent Classification (IPC):  B28B 1/00(2006.01) B29C 43/02(2006.01) E04C 2/04(2006.01) B28B 11/10(2006.01) B44C 5/04(2006.01) (86) International application number: PCT/EP2018/000372 (87) International publication number: WO 2020/020427 (30.01.2020 Gazette 2020/05)

(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) Inventors: BERNETH, Claus-Peter 97340 Marktbreit (DE) PFANNES, Alexander 97320 Großlangheim (DE) (74) Representative: Zech, Stefan Markus  Meissner Bolte Patentanwälte Rechtsanwälte Partnerschaft mbB Postfach 86 06 24 81633 München 81633 München (DE)