US 11,753,831 B2
Floor panel for an aircraft or spacecraft, aircraft or spacecraft, and method for producing a floor panel
Torsten Noebel, Hamburg (DE)
Assigned to AIRBUS OPERATIONS GMBH, Hamburg (DE)
Filed by Airbus Operations GmbH, Hamburg (DE)
Filed on Mar. 11, 2021, as Appl. No. 17/198,788.
Claims priority of application No. 102020203231.9 (DE), filed on Mar. 13, 2020.
Prior Publication US 2021/0285238 A1, Sep. 16, 2021
Int. Cl. E04F 15/10 (2006.01); B29C 45/00 (2006.01); B64C 1/18 (2006.01); B29L 31/30 (2006.01)
CPC E04F 15/102 (2013.01) [B29C 45/0005 (2013.01); B64C 1/18 (2013.01); B29L 2031/3082 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A floor panel for an aircraft or spacecraft, comprising
a panel-like portion; and
an additional structure;
wherein a first side of the panel-like portion is provided to form part of a floor surface in the aircraft or spacecraft;
wherein the additional structure is connected to the panel-like portion at least on a second side of the panel-like portion that is opposite the first side;
wherein the panel-like portion and the additional structure each comprise a matrix material formed by a thermoplastic material;
wherein endless fibers as reinforcing fibers are embedded in the matrix material of the panel-like portion;
wherein discontinuous reinforcing fibers are embedded in the matrix material of the additional structure;
wherein the additional structure comprises a plurality of struts in which the discontinuous reinforcing fibers are embedded to stiffen the panel-like portion, and
wherein a first group of struts of the plurality of struts is aligned with a longitudinal direction of said first group of struts substantially perpendicular to a longitudinal edge of the floor panel.