Patent
Two part ammunition round
Graham Richard Roach,Stephen Richard Fuller,Charles David Gareth Edwards,Steven Farnborough Gilbert +3 more
- 28 Mar 1994
13
TL;DR: In this article, a forward and a rear-ward charge is positioned between the first and second charges when the round is loaded, where the propellant ignition system includes ignition transfer means 14 for transferring ignition from the rear of the rearward charge to the charge's igniter and the charge igniter 16 includes ignition propagation means, preferably in the form of igniter cord 26, to facilitate rapid simultaneous ignition of the two charges.
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Abstract: Ammunition round comprising a forward cartridge 1 including a projectile 6 and a propellant charge 8, a rearward cartridge 2 including a propellant charge 8 and a propellant ignition system 3, 10, 14, and a propellant charge igniter 16 located so as to lie positioned between the first and second propellant charges when the round is loaded, wherein the propellant ignition system includes ignition transfer means 14 for transferring ignition from the rear of the rearward cartridge to the propellant charge igniter and the propellant charge igniter 16 includes ignition propagation means, preferably in the form of igniter cord 26, for spreading ignition laterally to facilitate rapid simultaneous ignition of the two charges.
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Citations
Patent
Lightweight polymer cased ammunition
Sengshin Chung
- 15 Nov 2007
TL;DR: In this paper, a substantially cylindrical injection molded polymeric bullet-end component with opposing first and second ends, the first end is the projectile-end of the casing body and the second end has a male or female coupling element.
91
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Sitaram Dontu,Norman W. Finn,Nelson B. D'Souza +2 more
- 17 Aug 2004
TL;DR: In this paper, a method for detecting an identifier change and sending a Port Aggregation Protocol (PAgP) protocol data unit (PDU) that includes a new identifier and information is described.
32
Patent
Laser gun and cartridge
William R. Houde-Walter
- 25 Oct 1996
TL;DR: In this paper, a laser gun uses small arms technology for loading and firing a cartridge containing flash powder, which produces an intense burst of light when the flash powder is fired, directed for optically pumping a laser medium that emits an intense pulse of laser light.
18
Patent
Multi-mode modular projectile
Richard Janik,Richard Dryer +1 more
- 02 Jun 2005
TL;DR: In this article, a system, device and method for providing a multi-mode munition generally includes a modular projectile assembly having an aft module suitably configured for mechanical and electrical engagement with a forward module.
14
Patent
Modular case ammunition and methods of assembly
Vin Battaglia
- 06 May 2010
TL;DR: In this paper, a hybrid ammunition cartridge for a firearm is described, which includes a substantially cylindrical casing defining a body portion having a neck at a forward end and a base at a rearward end, the base including a rim.
12
References
Patent
Primer propellant electrical ignition interconnect arrangement for single and multiple piece ammunition
Mark D. Amundson,James L. Kennedy +1 more
- 05 Feb 1993
TL;DR: In this paper, a multi-piece ammunition round includes an aft cartridge (12), a forward cartridge (14), and a projectile (16) disposed in an end-to-end nested, serial arrangement.
19
Patent
Electrothermal chemical propulsion apparatus and method for propelling a projectile
Hugh A. Mcelroy
- 30 Sep 1991
TL;DR: An electrothermal-chemical propulsion apparatus and method for propelling a projectile through a gun tube is described in this paper, which consists of a vaporizable energy coupling device between a projectile and at least one chemical propellant module.
19
Patent
Expendable case with vented base cap
John J Scanlon
- 18 Nov 1969
TL;DR: In this paper, cover means are mounted on the breech end cap to provide environmental portection and/or protection against accidental ignition, and substantially non-combustible breech ends cap is vented so that the full explosive pressure within the casing does not act against the end cap and thus expulsion of the casing is facilitated.
16
Patent
Segmented cartridge assembly
Ralph F. Campoli
- 02 Jan 1992
TL;DR: In this article, two or more combustible case segments are automatically joined together during loading into a gun chamber via velcro rings at a butted interface between the segments, which propagate the ignition flame front at an extremely high rate, on the order of between 3 to 6 thousand feet per second, ensuring virtually simultaneous ignition of the propellant.
15
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