Multidensity liner/insulator formed from multidimensional pieces of polymer fiber blanket insulation
First Claim
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1. A compressible, flexible, polymer fiber blanket comprising a plurality of individual polymeric fibrous pieces bonded together by heat and compression to form a single, uniform layer of bonded polymeric fibrous pieces, said uniform layer having a density from about 8.0 to 80.0 kg/m3.
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Abstract
In accordance with the purposes of the present invention as described herein, an improved acoustical, compressible, polymer fiber blanket 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 that have been bonded together via heat and pressure.
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Citations
30 Claims
- 1. A compressible, flexible, polymer fiber blanket comprising a plurality of individual polymeric fibrous pieces bonded together by heat and compression to form a single, uniform layer of bonded polymeric fibrous pieces, said uniform layer having a density from about 8.0 to 80.0 kg/m3.
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19. A compressible, flexible, polymer fiber blanket comprising a plurality of polymeric fibrous pieces thermally bonded together, wherein said plurality of polymeric fibrous pieces are produced from a thermally bonded, uniform layer of flexible, polymeric material, wherein said polymeric fibrous pieces comprise a lofty, acoustically insulating portion having a density between substantially 8.0–
- 80.0 kg/m3 and a relatively higher density skin along at least one face thereof, said skin having a thickness between substantially 0.25–
10.0 mm and a density between substantially 32.0–
800.0 kg/m3.
- 80.0 kg/m3 and a relatively higher density skin along at least one face thereof, said skin having a thickness between substantially 0.25–
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22. A compressible, flexible, polymer fiber blanket comprising a plurality of polymeric fibrous pieces thermally bonded together, wherein said polymeric fibrous pieces comprise a fibrous material having a lofty, acoustically insulating portion having a density between substantially 8.0–
- 80.0 kg/m3 and a relatively higher density skin along a first face thereof said skin having a thickness between substantially 0.25–
10.0 mm and a density 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).
- 80.0 kg/m3 and a relatively higher density skin along a first face thereof said skin having a thickness between substantially 0.25–
- 23. A multilayer, acoustical, thermal insulator comprising a plurality of polymeric fibrous pieces thermally bonded together, wherein said polymeric fibrous pieces comprise a lofty, acoustically insulating portion having a density between about 8.0–
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