Multidensity liner/ insulator formed from multidimensional pieces of polymer fiber blanket insulation
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Abstract
In accordance with the purposes of the present invention as described herein, an improved acoustical, compressible, polymer fiber blanket (10) of enhanced performance characteristics is provided. The polymer fiber blanket of the present invention is constructed of a plurality of individual pieces of polymer fiber blanket (12) that have been bonded together via heat and pressure.
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Citations
45 Claims
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22. A method of producing a compressible, flexible polymer fiber blanket (10) comprising the steps of:
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a) providing a plurality of individual pieces of polymer fiber blanket (12);
b) laying said plurality of pieces of polymer fiber blanket in a randomly oriented pattern;
c) applying sufficient heat and pressure to said plurality of individual pieces of polymer fiber blanket to form said compressible, flexible polymer fiber blanket. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A compressible, flexible, polymer fiber blanket comprising a plurality of individual pieces of polymer fiber blanket thermally bonded together wherein said individual pieces of polymer fiber blanket comprise fibrous material having a lofty, acoustically insulating portion having a density of between substantially 8.0-80.0 kg/m3 and a relatively higher density skin along a first face thereof, said skin having a thickness of between substantially 0.25-10.0mm and a density of between substantially 32.0-800.0 kg/m3, said fibrous material being selected from a group consisting of (a) thermoplastic polymer staple fibers and thermoplastic bicomponent fibers,(b) glass staple fibers and thermoplastic bicomponent fibers and (c) a combination of (a) and (b).
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Specification