US4431697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser hardened missile casing structure
Assignee: United States Department of the Air Force
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Filing: 1982-08-02
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Granted: 1984-02-14
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Expires: 2002-08-02
Abstract
Abstract A laser hardened casing structure for a missile or the like is described herein which comprises, in a preferred embodiment, a pair of thermally protective layers with a laser hardened barrier layer sandwiched therebetween and comprising a heavy metal bearing resin impregnated carbon fabric, all of said layers being adhesively joined and secured to the outer surface of the casing structure to be protected.
Inventors
- 👤 Edmund J. Rolinski
- 👤 Duane M. Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:26
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0471; B; B32; B32B; B32B27/00; B32B27/12; B32B7/00; B32B7/04; B32B7/12; F42; F42B; F42B12/00; F42B12/72; F42B12/76; B32B2315/00; B32B2315/08; B32B2315/085; B32B2317/00; B32B2317/02; B32B2605/00; B32B2605/18; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/30; Y10T428/31504; Y10T428/3167; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/3919
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
78 words
A thermally protective covering for the laser hardened casing structure of a missile, aircraft, or the like, which comprises: a. a first ablative layer adapted to be applied to said casing structure; b. a thermal barrier layer applied to said first ablative layer, said barrier layer comprising a carbon fabric impregnated with a heavy metal powder bearing resin; and c. a second ablative layer applied to said thermal barrier layer wherein said ablative layers comprise a cork-resin composition.
Claim 2
Dependent Claim
78 words
A thermally protective covering for the laser hardened casing structure of a missile, aircraft, or the like, which comprises: a. a first ablative layer adapted to be applied to said casing structure; b. a thermal barrier layer applied to said first ablative layer, said barrier layer comprising a carbon fabric impregnated with a heavy metal powder bearing resin; and c. a second ablative layer applied to said thermal barrier layer wherein said ablative layers comprise a cork-resin composition.
Claim 3
Dependent Claim
15 words
The thermally protective covering as recited in claim 1 wherein said heavy metal is tungsten.
Claim 4
Dependent Claim
64 words
A laser hardened casing structure, comprising: a. a casing; b. a pair of thermally protective layers; wherein said protective layers comprise a cork-resin composition and c. a laser hardened barrier layer comprising a carbon fabric impregnated with a heavy metal powder bearing resin sandwiched between said protective layers, all of said layers being adhesively joined and secured to an outer surface of said casing.
Claim 5
Dependent Claim
64 words
A laser hardened casing structure, comprising: a. a casing; b. a pair of thermally protective layers; wherein said protective layers comprise a cork-resin composition and c. a laser hardened barrier layer comprising a carbon fabric impregnated with a heavy metal powder bearing resin sandwiched between said protective layers, all of said layers being adhesively joined and secured to an outer surface of said casing.
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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) | 1987-02-13 | 1987-08-15 | 1988-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-13 | 1991-08-15 | 1992-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-13 | 1995-08-15 | 1996-02-14 | $7700.00 | Window Closed / Lapsed |