US4461214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge loaded hybrid propellant
Assignee: United States Department of the Navy
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Filing: 1982-06-24
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Granted: 1984-07-24
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Expires: 2002-06-24
Abstract
Abstract A round of ammunition uses both a solid propellant and an oxygen-rich, lid monopropellant. The liquid propellant is held within a plastic container within the conventional case.
Inventors
- 👤 William L. Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:43
CPC Classifications
F; F41; F41A; F41A1/00; F41A1/04; C; C06; C06B; C06B49/00; F42; F42B; F42B5/00; F42B5/02; F42B5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A round of ammunition comprising: a case including a body, a neck and a case head; ignition means mounted in said case head; a projectile retained in said neck having a base to define a propellant storage volume within said case body in communication with said ignition means; a frangible, toric-shaped, flexible bag positioned with the outer wall thereof in contact with the inner walls of said propellant storage volume of said case and the central void thereof in alignment with said ignition means; a solid propellant housed within said propellant storage volume and in communication with said ignition means and substantially filling the central void of said frangible, toric-shaped, flexible bag; and a predetermined quantity of hydroxylammonium nitrate (HONH 3 + NO 3 - ) within said frangible, toric-shaped, flexible bag, whereby ignition of said ignition means causes said solid propellant to be ignited and to rupture said bag for ignition of the contents thereof.
Claim 2
Dependent Claim
156 words
A round of ammunition comprising: a case including a body, a neck and a case head; ignition means mounted in said case head; a projectile retained in said neck having a base to define a propellant storage volume within said case body in communication with said ignition means; a frangible, toric-shaped, flexible bag positioned with the outer wall thereof in contact with the inner walls of said propellant storage volume of said case and the central void thereof in alignment with said ignition means; a solid propellant housed within said propellant storage volume and in communication with said ignition means and substantially filling the central void of said frangible, toric-shaped, flexible bag; and a predetermined quantity of hydroxylammonium nitrate (HONH 3 + NO 3 - ) within said frangible, toric-shaped, flexible bag, whereby ignition of said ignition means causes said solid propellant to be ignited and to rupture said bag for ignition of the contents thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-24 | 1988-01-23 | 1988-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-24 | 1992-01-23 | 1992-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-24 | 1996-01-23 | 1996-07-24 | $7700.00 | Window Closed / Lapsed |