US3722413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in rockets
Assignee: Individual
•
Filing: 1970-09-11
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Granted: 1973-03-27
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Expires: 1990-09-11
Abstract
Abstract A rocket comprises a head and a firing mechanism including a rod to which a nozzle is secured, a plurality of propellant sticks surrounding the rod and anchored to the head, and the nozzle consisting of a ring and a central hub joined to the ring by a web which defines a number of circumferentially spaced bores, the ring having an rearwardly elongated portion forming at the back of the web an elongated cylindrical space and igniter means mounted in said space.
Inventors
- 👤 B Narvesen
- 👤 E Troen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:35
CPC Classifications
F; F42; F42B; F42B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A rocket for subcaliber training systems for an anti-tank weapon comprising a head, a rod extending rearwardly from said head, a number of propellant sticks arranged evenly spaced around said rod, means at the rear end of the head anchoring the front ends of said sticks to the head, a nozzle secured to the rear end of said rod, said nozzle comprising a cylindrical ring, a central hub in said ring joined therewith by a web, a plurality of circumferentially spaced bores extending through said web, said rings having a rearwardly elongated portion forming an elongated cylindrical space at the rear of said web and an igniter means mounted in said space, said igniter means comprising a plugshaped container, an ignition charge in said container, an end flange at the rear end of said plug-shaped container having greater diameter than that of said ring, a circumferential groove in said plug-shaped container adjacent said flange, a preferably thinned rim portion of said ring pinched into said groove, and a flexible tube connecting said ignition charge to a primer means adapted to be inserted into the firing pin house of a rocket launcher.
Claim 2
Dependent Claim
191 words
A rocket for subcaliber training systems for an anti-tank weapon comprising a head, a rod extending rearwardly from said head, a number of propellant sticks arranged evenly spaced around said rod, means at the rear end of the head anchoring the front ends of said sticks to the head, a nozzle secured to the rear end of said rod, said nozzle comprising a cylindrical ring, a central hub in said ring joined therewith by a web, a plurality of circumferentially spaced bores extending through said web, said rings having a rearwardly elongated portion forming an elongated cylindrical space at the rear of said web and an igniter means mounted in said space, said igniter means comprising a plugshaped container, an ignition charge in said container, an end flange at the rear end of said plug-shaped container having greater diameter than that of said ring, a circumferential groove in said plug-shaped container adjacent said flange, a preferably thinned rim portion of said ring pinched into said groove, and a flexible tube connecting said ignition charge to a primer means adapted to be inserted into the firing pin house of a rocket launcher.
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |