US 12,110,735 B2
Building aperture cover frame
Steen Langdal Rønnow Micheelsen, Hørsholm (DK); Willibrordus Servatius Bouwens, Hørsholm (DK); and Peter Jean Claude Gadgaard Tønning, Hørsholm (DK)
Assigned to VKR HOLDING A/S, Horsholm (DK)
Filed by VKR Holding A/S, Hørsholm (DK)
Filed on Sep. 23, 2022, as Appl. No. 17/951,404.
Claims priority of application No. 21199414 (EP), filed on Sep. 28, 2021.
Prior Publication US 2023/0094589 A1, Mar. 30, 2023
Int. Cl. E06B 3/22 (2006.01); E06B 1/30 (2006.01); E06B 3/24 (2006.01); E06B 3/263 (2006.01)
CPC E06B 3/24 (2013.01) [E06B 1/30 (2013.01); E06B 3/26345 (2013.01); E06B 2003/226 (2013.01); E06B 2003/26378 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A building aperture cover frame, comprising at least one frame profile for framing an insulated glass unit, wherein the frame profile comprises;
an insulating core of insulating polyurethane foam core material enclosed by a core surface of the insulating core, wherein the insulating polyurethane foam core material comprises at least 85% by weight polyurethane, and wherein the insulating polyurethane foam core material is of a material density of less than 60 kg/m3,
a profile shell encapsulating the insulating core and comprising an inner shell surface facing the core surface, wherein the profile shell is made of at least 90% by weight polyurethane, and wherein the profile shell is of a material density of at least 600 kg/m3, and
one or more metal reinforcement element(s) located between opposing parts of the inner shell surface and the core surface;
wherein a content of fibres in the profile shell is less than 3% by weight and/or by weight per unit volume.