US4010690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for and method of providing a fire protection for a caseless ammunition
Assignee: Avco Corp
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Filing: 1973-04-30
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Granted: 1977-03-08
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Expires: 1993-04-30
Abstract
Abstract This invention is directed to the concept of providing fire protection for a caseless ammunition round by enveloping the round in an intumescent material. Means for stripping the intumescent material from the round, together with means for connecting a round to an adjacent round for forming a belt, are described.
Inventors
- 👤 Robert A. Cocozella
- 👤 Florindo F. Dal Pan
- 👤 Thomas M. Finelli
- 👤 Duane M. Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:33
CPC Classifications
F; F42; F42B; F42B39/00; F42B39/14; F42B39/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A fire protecting means for a caseless ammunition round comprising: a structural disc having the same diameter as the round positioned adjacent to each end of the round; a foil wrapper for enclosing at least the cylindrical surface of the round, said foil wrapper being made from heat conducting material to form a heat sink; and an outer wrapper encircling the round, the structural disc and the heat sink, said outer wrapper comprising an intumescent material, and terminating in a flap.
Claim 2
Dependent Claim
81 words
A fire protecting means for a caseless ammunition round comprising: a structural disc having the same diameter as the round positioned adjacent to each end of the round; a foil wrapper for enclosing at least the cylindrical surface of the round, said foil wrapper being made from heat conducting material to form a heat sink; and an outer wrapper encircling the round, the structural disc and the heat sink, said outer wrapper comprising an intumescent material, and terminating in a flap.
Claim 3
Dependent Claim
65 words
A fire protecting means for a caseless ammunition round comprising: an inner wrapper formed from a heat sink material; an outer wrapper comprising an intumescent material; and a layer of material for reflecting heat back into said intumescent material and/or insulating material for accelerating the activation of the intumescent material, said reflector and/or insulator being positioned between the intumescent material and said heat sink material.
Claim 4
Dependent Claim
65 words
A fire protecting means for a caseless ammunition round comprising: an inner wrapper formed from a heat sink material; an outer wrapper comprising an intumescent material; and a layer of material for reflecting heat back into said intumescent material and/or insulating material for accelerating the activation of the intumescent material, said reflector and/or insulator being positioned between the intumescent material and said heat sink material.
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) | 1980-03-07 | 1980-09-06 | 1981-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-07 | 1984-09-06 | 1985-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-07 | 1988-09-06 | 1989-03-08 | $7700.00 | Window Closed / Lapsed |