Fire retardant structural textile panel
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United States of America Patent
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-
Feb 23, 1988
Grant Date -
N/A
app pub date -
Apr 3, 1987
filing date -
Apr 3, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A nonwoven textile panel for use as a fire retardant and sound deadening barrier in the interiors of aircraft, comprised of five layers of nonwoven textile fibers of polyphenylene sulfide fibers and Nomex brand aramid fibers that have been carded, cross-lapped, needle punched and thermally bonded by heating the panel to the temperature softening point of the polyphenylene sulfide fibers, whose panel exterior is comprised of a skin of polyvinyl chloride that has been adhered to the outermost fibrous layer. The fibers are capable of being thermoformed and retaining a permanent shape due to the thermoplastic properties of the polyphenylene sulfide fibers. An important alternative embodiment uses a layer of polyester polyurethane foam underneath the vinyl to shield it from the heat radiating properties of the polyphenylene sulfide and prevent puckering of the vinyl material during the processing.
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