An insulating liner for an article of clothing includes a first layer, a second layer attached to the first layer, and an insulating layer sealed between the first and second layers, wherein the insulating layer is composed of an aerogel material. The first and second layers can be a PVC foam hermet
An insulating liner for an article of clothing includes a first layer, a second layer attached to the first layer, and an insulating layer sealed between the first and second layers, wherein the insulating layer is composed of an aerogel material. The first and second layers can be a PVC foam hermetically sealed about the aerogel material by welding. In a preferred embodiment, the insulating liner is a shoe liner that includes a polyester wearing material adhered to the top layer of PVC foam. A method of forming the insulating liner is also provided.
대표청구항▼
The invention claimed is: 1. An insulating liner for an article of clothing, comprising: a first layer; a second layer, said first and second layers each having a thickness of at least 1.5 mm; an insulating layer sealed between said first and second layers, wherein said insulating layer comprises a
The invention claimed is: 1. An insulating liner for an article of clothing, comprising: a first layer; a second layer, said first and second layers each having a thickness of at least 1.5 mm; an insulating layer sealed between said first and second layers, wherein said insulating layer comprises an aerogel material in the form of an aerogel carried and supported by a flexible polymeric fibrous material that exhibits resiliency and bulk recovery; wherein, said first and second layers are impermeable to air and are hermetically sealed together about the periphery of said insulating layer. 2. An insulating liner as defined in claim 1, wherein said second layer is a composite layer having one layer formed from the same material used for said first layer and having another layer formed from a different material. 3. An insulating liner as defined in claim 1, wherein said first and second layers are structural layers that comprise PVC foam welded together about the periphery of said insulating layer. 4. An insulating liner as defined in claim 1, wherein said aerogel material comprises a polymeric, fibrous carrier material containing an aerogel in the form of a nonporous silica matrix. 5. An insulating liner as defined in claim 4, wherein said carrier material further comprises a carbon-based substrate. 6. An insulating liner as defined in claim 4, wherein said carrier material further comprises a polyester substrate. 7. An insulating liner as defined in claim 1, further comprising a thermally reflective layer supported by one of said first and second layers. 8. A shoe liner, comprising: a first PVC foam layer; a second PVC foam layer; a wearing material attached to an outer surface of said second layer; and an aerogel material hermetically sealed between said first and second layers, wherein said aerogel material comprises an aerogel carried by a flexible fibrous substrate, wherein said first and second foam layers and said flexible fibrous substrate together form a compressible structure for said shoe liner that provides cushioning in use. 9. A shoe liner as defined in claim 8, wherein said first and second layers each have a thickness in the range of 1.5 mm to 2.5 mm and are welded together about the periphery of said insulating layer. 10. A shoe liner as defined in claim 8, wherein said wearing material is formed from polyester. 11. A shoe liner as defined in claim 8, further comprising a frontal region defined by portions of said first and second layers bonded together without said insulating layer therebetween. 12. A shoe liner as defined in claim 11, wherein said frontal region includes raised contour lines identifying cut lines along which the insulating liner may be trimmed to various sizes. 13. A shoe liner as defined in claim 8, wherein said aerogel is an aerogel composite. 14. A shoe liner as defined in claim 13, wherein said aerogel composite is a nonporous silica matrix and the fibrous substrate is a polymeric, carbon-based fibrous substrate. 15. An insulating liner for an article of clothing, comprising: a first layer; a second layer; an insulating layer that includes: a fibrous carrier material in the form of a sheet cut to fit between the first and second layers; and an aerogel dispersed throughout the fibrous carrier material such that the aerogel is impregnated in and supported by the carrier material; wherein said insulating layer is sealed between said first and second layers; and wherein said insulating layer comprises a compressible layer that exhibits resiliency and bulk recovery; wherein, said first and second layers are impermeable to air and are hermetically sealed together about the periphery of said insulating layer. 16. An insulating liner as defined in claim 15, wherein said second layer is a composite layer having one layer formed from the same material used for said first layer and having another layer formed from a different material. 17. An insulating liner as defined in claim 15, wherein said first and second layers are structural layers that comprise PVC foam welded together about the periphery of said insulating layer. 18. An insulating liner as defined in claim 15, wherein said carrier material further comprises a carbon-based substrate. 19. An insulating liner as defined in claim 15, wherein said carrier material further comprises a polyester substrate. 20. An insulating liner as defined in claim 15, further comprising a wearing material attached to an outer surface of said second layer. 21. An insulating liner as defined in claim 15, further comprising a thermally reflective layer supported by one of said first and second layers.
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이 특허에 인용된 특허 (15)
Rosenberg David (New York NY), Air-trapping insoles.
McWilliams Joseph A. (Droitwich GBX) Jackson James D. J. (Kidderminster GBX) Morgan Derek E. (Malvern GBX), Method of making panels of microporous thermal insulation.
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