US 11,952,797 B2
Breakthrough resistant drywall structure
Klaus Holfelder, Iphofen (DE); Ruth Schnobrich, Würzburg (DE); and Klaus Wandler, Rödelsee (DE)
Assigned to KNAUF GIPS KG, Iphofen (DE)
Appl. No. 17/414,268
Filed by KNAUF GIPS KG, Iphofen (DE)
PCT Filed Dec. 19, 2018, PCT No. PCT/EP2018/000568
§ 371(c)(1), (2) Date Jun. 15, 2021,
PCT Pub. No. WO2020/125915, PCT Pub. Date Jun. 25, 2020.
Prior Publication US 2022/0056724 A1, Feb. 24, 2022
Int. Cl. E04H 9/04 (2006.01); E04B 1/76 (2006.01); E04B 2/58 (2006.01)
CPC E04H 9/04 (2013.01) [E04B 1/7662 (2013.01); E04B 2/58 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A breakthrough resistant drywall structure, comprising:
at least two studs arranged to form a drywall substructure, each stud including a base portion and at least one flange portion; the drywall structure further comprising a plurality of building panels attached to the at least one flange portion; the drywall structure further comprising a filling material; and, the filling material comprises a fiber mat comprised of hemp fibers; the drywall structure further comprising a discrete inner building panel which is glued to the fiber mat so as to extend between the base portions of the at least two studs, wherein the fiber mat and the inner building panel collectively define a breakthrough resistant element.