US4152987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impermeable polymer bomb liner for use with TNT containing explosives
Assignee: United States Department of the Navy
•
Filing: 1977-02-18
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Granted: 1979-05-08
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Expires: 1997-02-18
Abstract
Abstract A polymeric bomb liner prepared from a polyvinylidene chloride latex emulsion.
Inventors
- 👤 Norman H. Lundstrom
- 👤 Russell Reed, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:16
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/72; F42B12/76; F42B12/80
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
29 words
As an article of manufacture, a bomb casing having an inner surface to which is directly attached a smooth coating of polyvinylidene chloride, said coating being impervious to trinitrotoluene.
Claim 2
Dependent Claim
29 words
As an article of manufacture, a bomb casing having an inner surface to which is directly attached a smooth coating of polyvinylidene chloride, said coating being impervious to trinitrotoluene.
Claim 3
Dependent Claim
50 words
A bomb comprising a hollow bomb casing having an inner surface, a smooth layer of polyvinylidene chloride directly attached to said inner surface and an explosive substantially filling the interior of said bomb inside of said layer of polyvinylidene chloride, said layer of polyvinylidene chloride being impervious to said explosive.
Claim 4
Dependent Claim
50 words
A bomb comprising a hollow bomb casing having an inner surface, a smooth layer of polyvinylidene chloride directly attached to said inner surface and an explosive substantially filling the interior of said bomb inside of said layer of polyvinylidene chloride, said layer of polyvinylidene chloride being impervious to said explosive.
Claim 5
Dependent Claim
14 words
A bomb according to claim 2 wherein said explosive is a plastic bonded explosive.
Claim 6
Dependent Claim
19 words
A bomb according to claim 2 wherein said layer of polyvinylidene chloride has a thickness of about 0.05 inch.
Claim 7
Dependent Claim
11 words
A bomb according to claim 2 wherein said explosive is trinitrotoluene.
Claim 8
Dependent Claim
19 words
A bomb according to claim 5 wherein said layer of polyvinylidene chloride has a thickness of about 0.05 inch.
Claim 9
Dependent Claim
60 words
A bomb comprising a hollow bomb casing having an inner surface, a smooth layer of polyvinylidene chloride directly attached to said inner surface and an explosive substantially filling the interior of said bond inside of said layer of polyvinylidene chloride, said layer of polyvinylidene chloride being impervious to said explosive and said layer of polyvinylidene chloride containing incendiary metal powder.
Claim 10
Dependent Claim
60 words
A bomb comprising a hollow bomb casing having an inner surface, a smooth layer of polyvinylidene chloride directly attached to said inner surface and an explosive substantially filling the interior of said bond inside of said layer of polyvinylidene chloride, said layer of polyvinylidene chloride being impervious to said explosive and said layer of polyvinylidene chloride containing incendiary metal powder.
Claim 11
Dependent Claim
22 words
A bomb according to claim 1 wherein said metal powder is selected from the group consisting of magnesium, aluminum, zirconium and hafnium.
Claim 12
Dependent Claim
19 words
A bomb according to claim 7 wherein said layer of polyvinylidene chloride has a thickness of about 0.05 inch.
Claim 13
Dependent Claim
21 words
A bomb according to claim 9 wherein said powder is selected from the group consisting of magnesium, aluminum, zirconium and hafnium.
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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) | 1982-05-07 | 1982-11-06 | 1983-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-07 | 1986-11-06 | 1987-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-07 | 1990-11-06 | 1991-05-08 | $7700.00 | Window Closed / Lapsed |