US4096804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic/mischmetal incendiary projectile
Assignee: United States Department of the Air Force
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Filing: 1977-03-10
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Granted: 1978-06-27
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Expires: 1997-03-10
Abstract
Abstract An incendiary projectile having a plastic jacket made from glass reinforced Nylon, a mischmetal/aluminum core and a Teflon tip is actuated by kinetic energy on impact with the target. The mischmetal/aluminum core is octagonal in configuration and is composed of a pyrophoric alloy containing 87% mischmetal and 13% aluminum. The Teflon tip provides greatly increased effectiveness against targets of aluminum construction especially those containing aircraft fuel and the like.
Inventors
- 👤 Stephen J. Bilsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:25
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/72; F42B12/76; F42B12/02; F42B12/36; F42B12/44
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
127 words
A plastic incendiary projectile for firing through a weapon having a rifled bore comprising a thermoplastic jacket having an integral rotating band disposed around the outer circumference near the rearward end thereof, said thermoplastic jacket having a substantially hollow inner cavity with an open forward end and a closed rearward end, a core of incendiary material substantially filling the inner cavity of said thermoplastic jacket, and a nose tip of resinous material having a low coefficient of friction disposed over the open forward end of said thermoplastic jacket, the impact of the projectile with a target causing the jacket to rupture thereby allowing said core of incendiary material to break up by kinetic energy into lethal particles causing fire to start in the presence of flammable material.
Claim 2
Dependent Claim
127 words
A plastic incendiary projectile for firing through a weapon having a rifled bore comprising a thermoplastic jacket having an integral rotating band disposed around the outer circumference near the rearward end thereof, said thermoplastic jacket having a substantially hollow inner cavity with an open forward end and a closed rearward end, a core of incendiary material substantially filling the inner cavity of said thermoplastic jacket, and a nose tip of resinous material having a low coefficient of friction disposed over the open forward end of said thermoplastic jacket, the impact of the projectile with a target causing the jacket to rupture thereby allowing said core of incendiary material to break up by kinetic energy into lethal particles causing fire to start in the presence of flammable material.
Claim 3
Dependent Claim
33 words
The plastic incendiary projectile defined in claim 1 wherein said core of incendiary material is of elongated octagonal configuration and the inner cavity of said jacket is correspondingly shaped to receive said core.
Claim 4
Dependent Claim
23 words
The plastic incendiary projectile defined in claim 2 wherein said core of incendiary material is an alloy of 87% mischmetal and 13% aluminum.
Claim 5
Dependent Claim
18 words
The plastic incendiary projectile defined in claim 2 wherein said thermoplastic jacket is fabricated of glass filled Nylon.
Claim 6
Dependent Claim
19 words
The plastic incendiary projectile defined in claim 2 wherein said nose tip of resinous material is fabricated of tetrafluoroethylene.
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) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |