Curtain providing a barrier against light, noise, heat, fire and electromagnetic radiation
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United States of America Patent
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Dec 15, 2020
Grant Date -
Jun 28, 2018
app pub date -
Jun 22, 2016
filing date -
Jul 3, 2015
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Abstract
The invention relates to a curtain providing a barrier against light, noise, heat, fire and electromagnetic radiations. The curtain comprises two textile layers, each having a combination of non-woven textile material and woven textile material, subjected to a fire-proofing treatment; an inner layer sandwiched between the textile layers and formed by sound insulation wool; and a cover layer adjacent to the outer side of one of the textile layers, formed by a metal selected from the group consisting of aluminum and copper. The curtain as a whole has a total thickness between 0.5 cm and 3 cm.
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