Stiffening Add-on Profile for Window Frame and Window Frame Comprising Same
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United States of America Patent
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Feb 2, 2017
app pub date -
Dec 17, 2014
filing date -
Dec 19, 2013
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Abstract
A construction profile is made of polymeric material and defines an inner cavity. The construction profile has an outer surface comprising unexposed side portions and exposed side portions. A stiffening profile is provided external of the construction profile and at an unexposed side portion thereof. The stiffening profile has a polymer material and a reenforcement material. The stiffening profile has a tensile (flexural) modulus in its length (L) direction of at least 5 Gpa according to EN2561 and the polymer material has a lambda value of maximum 2 W/mK.
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