US3801416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible blast fragment blanket
Assignee: United States Department of the Army
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Filing: 1972-01-07
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Granted: 1974-04-02
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Expires: 1992-01-07
Abstract
Abstract A flexible blast fragment blanket comprising a plurality of layers of flexible blast-resistant material, and a multiplicity of blast-resistant plates embedded between said plurality of layers, said plates having greater blast resistant properties than the material of said plurality of layers, said plates having channels therebetween, said channels imparting a desired flexibility to the blanket.
Inventors
- 👤 J Gulbierz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:55
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; F; F42; F42D; F42D5/00; F42D5/04; F42D5/045; F42D5/05; B32B5/02; B32B5/12; B32B2262/00; B32B2262/02; B32B2262/0261; B32B2262/0269; B32B2262/06; B32B2262/062; B32B2262/10; B32B2262/103; B32B2307/00; B32B2307/50; B32B2307/51; B32B2307/54; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/26
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
23 words
The blanket as recited in claim 1 in which the flexible blast-resistant material of said plurality of layers comprises an inorganic textile material.
Claim 2
Dependent Claim
24 words
The blanket as recited in claim 1 in which the flexible blast resistant material of said plurality of layers comprises an organic textile material.
Claim 3
Dependent Claim
32 words
The blanket as recited in claim 3 in which the material of said plurality of layers is selected from the group of organic texile materials consisting of nylon, dacron and cotton duck.
Claim 4
Dependent Claim
32 words
The blanket as recited in claim 3 in which the the material of said multiplicity of blast resistant plates is selected from the group consisting of fiberglass, graphite, plastic, metal and ceramic.
Claim 5
Dependent Claim
36 words
The blanket as recited in claim 5 in which the materials of the second-named group are utilized in a fibrous form with a reinforcement material used for the interbonding of the individual fibers to each other.
Claim 6
Dependent Claim
27 words
The blanket as recited in claim 6 in which said reinforcement material is selected from the group consisting of epoxy, polyester-plastic, polyester resin, polyurethane, polypropelene and nylon.
Claim 7
Dependent Claim
37 words
The blanket as recited in claim 6 in which the material for the fibers of the material forming said plates is a metal selected from the group consisting of aluminum, steel, titanium, and mixtures and alloys thereof.
Claim 8
Dependent Claim
21 words
The blanket as recited in claim 6 in which each plate of said multiplicity of plates comprises interbonded sublayers of fibers.
Claim 9
Dependent Claim
35 words
The blanket as recited in claim 9 in which each of said plates is assembled with each adjoining sublayer having its fiber axis angularly displaced by 60* from the fiber axis of each adjoining sublayer.
Claim 10
Dependent Claim
41 words
The blanket as recited in claim 6 in which the material of each of said plates consists essentially of polyester-plastic reinforced fiberglass having a tensile strength of about 104 psi and wherein the thickness of each plate is about one-half inch.
Claim 11
Dependent Claim
46 words
The blanket as recited in claim 1 in which each of said plates has a layer of hardened material, selected from the group consisting of ceramic, fiberglass, graphite, metal and plastic, adhered to the side of each of said plates that is to face the blast.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |