Patent US4777086A successfully refreshed from Google Patents.
US4777086A
Expired / Lapsed
US
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Low density insulation product
Assignee: Owens Corning Fiberglas Technology Inc
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Filing: 1987-10-26
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Granted: 1988-10-11
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Expires: 2007-10-26
Abstract
Abstract An insulation product comprises the first and second film of reflective material and one or more layers of insulating material positioned between the outer films, the films having an emissivity less than about 0.2 and the insulating material having a density within the range of from about 0.01 to about 0.3 pcf.
Inventors
- 👤 Martin J. Madden
- 👤 Mark A. Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:42
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/14; B32B15/04; B32B15/08; B32B15/09; B32B15/20; B32B27/00; B32B27/36; B32B2262/00; B32B2262/10; B32B2262/101; B32B2307/00; B32B2307/10; B32B2307/102; B32B2307/20; B32B2307/206; B32B2307/40; B32B2307/416; B32B2311/00; B32B2311/24; B32B2315/00; B32B2315/08; B32B2315/085; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B2001/7691; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10S428/92; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T442/00; Y10T442/60; Y10T442/674; Y10T442/696
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
51 words
An insulation product comprising first and second films of reflective material, and one or more layers of insulating material positioned between the outer films, the films having an emissivity less than about 0.2, and the insulating material having a density within the range of from about 0.01 to about 0.3 pcf.
Claim 2
Dependent Claim
51 words
An insulation product comprising first and second films of reflective material, and one or more layers of insulating material positioned between the outer films, the films having an emissivity less than about 0.2, and the insulating material having a density within the range of from about 0.01 to about 0.3 pcf.
Claim 3
Dependent Claim
25 words
The insulation product of claim 1 in which the insulation material has a density within the range of from about 0.025 to about 0.25 pcf.
Claim 4
Dependent Claim
15 words
The insulation product of claim 1 in which the insulation material is a fibrous material.
Claim 5
Dependent Claim
14 words
The insulation product of claim 3 in which the insulation material comprises glass fibers.
Claim 6
Dependent Claim
33 words
The insulation product of claim 3 in which the insulating material is a fibrous mat, with the average fiber diameter being within the range of from about 5 microns to about 37 microns.
Claim 7
Dependent Claim
57 words
The insulation product of claim 1 comprising two or more layers of insulating material positioned between the outer films, and one or more inner films of reflective material positioned between the outer films and spaced apart from the outer films by the insulating material, both surfaces of the inner film having an emissivity less than about 0.2.
Claim 8
Dependent Claim
82 words
An insulation product comprising first and second films of reflective material, and one or more layers of insulating material positioned between the outer films, the films having an emissivity less than about 0.2, and the insulating material having an optical thickness less than about 1, the optical thickness being defined by the equation optical thickness=ρlk where, ρ is the density of the product (pcf), 1 is the thickness of the product (in) and k is the extinction coefficient of the insulating material.
Claim 9
Dependent Claim
82 words
An insulation product comprising first and second films of reflective material, and one or more layers of insulating material positioned between the outer films, the films having an emissivity less than about 0.2, and the insulating material having an optical thickness less than about 1, the optical thickness being defined by the equation optical thickness=ρlk where, ρ is the density of the product (pcf), 1 is the thickness of the product (in) and k is the extinction coefficient of the insulating material.
Claim 10
Dependent Claim
22 words
The insulation product of claim 7 in which the optical thickness is within the range of from about 0.01 to about 1.0.
Claim 11
Dependent Claim
15 words
The insulation product of claim 8 in which the insulating material is a fibrous material.
Claim 12
Dependent Claim
14 words
The insulation product of claim 9 in which the insulating material comprises glass fibers.
Claim 13
Dependent Claim
33 words
The insulation product of claim 9 in which the insulating material is a fibrous mat, with the average fiber diameter being within the range of from about 5 microns to about 37 microns.
Claim 14
Dependent Claim
54 words
The insulation product of claim 7 comprising two or more layers of insulating material positioned between the outer films, and one or more inner films of reflective material positioned between the outer films and spaced apart from the outer films by the insulating material, the inner film having an emissivity less than about 0.2.
Claim 15
Dependent Claim
79 words
An insulation product comprising first and second outer films of reflective material, two or more layers of insulating material positioned between the outer films, and one or more inner films of reflective material positioned between the outer films and spaced apart from the outer films by the insulating material, the inner and outer films having an emissivity less than about 0.2, and the insulating material having a density within the range of from about 0.01 to about 0.3 pcf.
Claim 16
Dependent Claim
79 words
An insulation product comprising first and second outer films of reflective material, two or more layers of insulating material positioned between the outer films, and one or more inner films of reflective material positioned between the outer films and spaced apart from the outer films by the insulating material, the inner and outer films having an emissivity less than about 0.2, and the insulating material having a density within the range of from about 0.01 to about 0.3 pcf.
Claim 17
Dependent Claim
25 words
The insulation product of claim 13 in which the insulating material has a density within the range of from about 0.025 to about 0.25 pcf.
Claim 18
Dependent Claim
15 words
The insulation product of claim 14 in which the insulating material is a fibrous material.
Claim 19
Dependent Claim
14 words
The insulation product of claim 15 in which the insulating material comprises glass fibers.
Claim 20
Dependent Claim
33 words
The insulation product of claim 15 in which the insulating material is a fibrous mat, with the average fiber diameter being within the range of from about 5 microns to about 37 microns.
Claim 21
Dependent Claim
52 words
The insulation product of claim 15 in which the optical thickness less than about 1, the optical thickness being defined by the equation optical thickness=ρlk where, ρ is the density of the product (pcf), 1 is the thickness of the product (in) and k is the extinction coefficient of the insulating material.
Claim 22
Dependent Claim
30 words
The insulation product of claim 13 in combination with an additional layer of insulating material having a density within the range of from about 0.5 pcf to about 5.0 pcf.
Claim 23
Dependent Claim
28 words
The insulation product of claim 19 in which the additional layer of insulating material has an NRC rating within the range of from about 0.3 to about 0.8.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-11 | 1992-04-11 | 1992-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-11 | 1996-04-11 | 1996-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-11 | 2000-04-11 | 2000-10-11 | $7700.00 | Window Closed / Lapsed |