US4841863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saboted, light armour penetrator round with improved powder mix
Assignee: Olin Corp
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Filing: 1985-04-19
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Granted: 1989-06-27
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Expires: 2005-04-19
Abstract
Abstract This invention relates to a saboted, light armour penetrating small caliber ammunition round.
Inventors
- 👤 Tom J. Bourgeois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:11
CPC Classifications
C; C06; C06B; C06B45/00; C06B25/00; C06B25/18; C06B25/24; C06B25/26; C06B21/00; F; F42; F42B; F42B5/00; F42B5/02; F42B5/16
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
69 words
In a plastic-saboted small caliber ammunition round, having a hard metal core subcaliber core adapted to penetrate light armor, the improvement which comprises a propellant charge of unrolled spheroidal powder having a specific energy density of at least 350,000 ft/lbs./lb. with an average grain diameter within the range of from about 0.0100" up to about 0.0250", said round having a volumetric propellant charge loading density of at least 95%.
Claim 2
Dependent Claim
69 words
In a plastic-saboted small caliber ammunition round, having a hard metal core subcaliber core adapted to penetrate light armor, the improvement which comprises a propellant charge of unrolled spheroidal powder having a specific energy density of at least 350,000 ft/lbs./lb. with an average grain diameter within the range of from about 0.0100" up to about 0.0250", said round having a volumetric propellant charge loading density of at least 95%.
Claim 3
Dependent Claim
13 words
The round of claim 1 wherein said powder is a surface-deterred, double-base powder.
Claim 4
Dependent Claim
12 words
The round of claim 2 wherein the powder nitrocellulose impregnated with nitroglycerine.
Claim 5
Dependent Claim
16 words
The round of claim 1 wherein said powder is produced by the continuous globular powder process.
Claim 6
Dependent Claim
24 words
The round of claim 1 wherein said average grain diameter is within the range of from about 0.145 inches up to about 0.170 inches.
Claim 7
Dependent Claim
17 words
The round of claim 1 wherein said powder has a chemical composition which comprises by weight percent:
Claim 8
Dependent Claim
14 words
The round of claim 1 wherein said round is a 7.62 mm ammunition round.
Claim 9
Dependent Claim
16 words
The round of claim 7 wherein said round has a metal subcaliber penetrator within said sabot.
Claim 10
Dependent Claim
26 words
The round of claim 7 wherein said powder charge has sufficient energy to propel said round at muzzle velocities in excess of 3,500 feet per second.
Claim 11
Dependent Claim
14 words
The round of claim 9 wherein said muzzle velocities exceed 4,000 feet per second.
References Cited (Backward Citations)
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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) | 1992-06-26 | 1992-12-26 | 1993-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-26 | 1996-12-26 | 1997-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-26 | 2000-12-26 | 2001-06-27 | $7700.00 | Window Closed / Lapsed |