Patent US3718091A successfully refreshed from Google Patents.
US3718091A
Expired / Lapsed
US
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Ammunition and a process for manufacturing the same
Assignee: FN Herstal SA
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Filing: 1969-11-20
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Granted: 1973-02-27
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Expires: 1989-11-20
Abstract
Abstract An ammunition such as a defensive grenade comprising an explosive body with preestablished fragmentation, a cartridge case and a fuse, said body acting as a support for the inner wall, the edge rotating band, the cartridge case and the fuse.
Inventors
- 👤 P Theate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:48
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/20; F42B12/22; F42B12/32
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
28 words
An ammunition according to claim 1, wherein said composite body is made of a synthetic resin securing the fragmented hard bodies, generally steel balls, within the thickness thereof.
Claim 2
Dependent Claim
65 words
An ammunition according to claim 2, characterized in that the inner tightness wall is under the form of a thin metallic cup having a cylindrical-spherical shape the free edge of the cylindrical portion of which is profiled to form a screw thread, the composite body proper made of the synthetic resin securing the fragments of the hollow bodies being mouled upon the said tightness cup.
Claim 3
Dependent Claim
43 words
An ammunition according to claim 3, characterized in that the cylindrical portion of the composite body has an outer shoulder and peripheral notches correlative with the shape and the sizes of the rotating band interlocked with said composite body through a tight fit.
Claim 4
Dependent Claim
38 words
An ammunition according to claim 3 characterized in that the fragments of the hollow bodies or the steel balls are kept at a slight distance from the peripheral free edge of said composite body when making the latter.
Claim 5
Dependent Claim
53 words
An ammunition according to claim 3, characterized in that the rotating band comprises substantially an annular element having, inwardly and along its upper peripheral edge, extra-thicknesses the number, the sizes and the relative position of which are conditioned in accordance with the notches of the peripheral free edge of the composite body proper.
Claim 6
Dependent Claim
62 words
An ammunition according to claim 3, characterized in that, the composite body forming a unit with the inner tightness cup and the rotating band, the cartridge case is fastened by a pressure fit upon the cylindrical portion of the composite body proper, whereas the fuse is secured by screwing its threaded extension upon a screw thread formed on the said tightness cup.
Claim 7
Dependent Claim
38 words
An ammunition according to claim 7, characterized in that the fuse has a centering bearing cooperating with an annular stop of the composite body so that the latter and the fuse are concentric to each other when screwed.
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) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |