US 11,911,928 B2
Method for producing a cementitious board, apparatus for producing a cementitious board, and cementitious board
Stergios Karakoussis, Laubach (DE); Alexander Hartmann, Kleinlangheim (DE); Georgi Paraskov, Neustadt an der Aisch (DE); Carlo Knauf, Weigenheim (DE); and Anton Peter, Wuerzburg (DE)
Assigned to Knauf Gips KG, Iphofen (DE)
Appl. No. 17/781,760
Filed by Knauf Gips KG, Iphofen (DE)
PCT Filed Dec. 16, 2019, PCT No. PCT/EP2019/000337
§ 371(c)(1), (2) Date Jun. 2, 2022,
PCT Pub. No. WO2021/121533, PCT Pub. Date Jun. 24, 2021.
Prior Publication US 2023/0020474 A1, Jan. 19, 2023
Int. Cl. B32B 37/12 (2006.01); B28B 19/00 (2006.01); B32B 3/10 (2006.01); B32B 5/18 (2006.01); B32B 7/12 (2006.01); B32B 37/00 (2006.01); B32B 37/02 (2006.01); C04B 41/00 (2006.01); C04B 41/45 (2006.01); C04B 41/48 (2006.01); C04B 41/63 (2006.01); E04C 2/04 (2006.01); B32B 5/02 (2006.01); B32B 5/24 (2006.01); B32B 13/08 (2006.01); B32B 13/14 (2006.01); B32B 29/00 (2006.01); C04B 111/00 (2006.01)
CPC B28B 19/0092 (2013.01) [B32B 3/10 (2013.01); B32B 5/18 (2013.01); B32B 7/12 (2013.01); B32B 37/0046 (2013.01); B32B 37/02 (2013.01); C04B 41/009 (2013.01); C04B 41/4503 (2013.01); C04B 41/4869 (2013.01); C04B 41/63 (2013.01); E04C 2/044 (2013.01); B32B 5/02 (2013.01); B32B 5/245 (2013.01); B32B 13/08 (2013.01); B32B 13/14 (2013.01); B32B 29/007 (2013.01); B32B 37/12 (2013.01); B32B 2250/40 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2266/0214 (2013.01); B32B 2266/14 (2016.11); B32B 2307/724 (2013.01); C04B 2111/0062 (2013.01)] 13 Claims
OG exemplary drawing
 
1. Method for producing a cementitious board, wherein
a first liner with first overlap sections is provided and furnished with at least one layer of at least one slurry comprising a cementitious material;
a second liner with second overlap sections is provided and arranged such that it contacts the first overlap sections of the first liner, wherein the at least one layer of the at least one slurry is arranged between the first liner and the second liner;
an adhesive foam is provided at least partly on at least one of the first or second overlap sections; and
the first liner and the second liner are bonded via the adhesive foam in the overlap sections.