Building aperture cover frame
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United States of America Patent
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Oct 8, 2024
Grant Date -
Mar 30, 2023
app pub date -
Sep 23, 2022
filing date -
Sep 23, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A building aperture cover frame, such as a window frame, having at least one frame profile for framing an insulated glass unit, where the frame profile includes an insulating core of insulating polyurethane foam core material enclosed by a core surface of the insulating core, where the insulating polyurethane foam core material having at least 85% by weight polyurethane, and where the insulating polyurethane foam core material is of a material density of less than 60 kg/m3, such as less than 50 kg/m3, preferably less than 40 kg/m3, a profile shell encapsulating the insulating core and having an inner shell surface facing the core surface, where the profile shell is made of at least 90% by weight polyurethane, and where the profile shell is of a material density of at least 600 kg/m3, such as at least 750 kg/m3, preferably at least 850 kg/m3, and one or more metal reinforcement element(s) located between opposing parts of the inner shell surface and the core surface.
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