Multiple Projectiles Patents (Class 102/438)
  • Patent number: 9958244
    Abstract: A projectile includes a toughened polymer resin, a curative agent and a particulate filler. The curative agent cures the toughened polymer resin. The particulate filler is distributed throughout the resin. The particulate filler has a density greater than a density of the resin. In some embodiments, the cured toughened polymer resin can be 20 to 30 percent by weight of the total projectile composition. The projectile has an average density that is less than the density of lead. In certain embodiments, the particulate filler can be 70 to 80 percent by weight of the total projectile composition. The particulate filler can include at least one of copper, tungsten, lead, iron and steel.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: May 1, 2018
    Assignee: EINSTEIN NOODLES, LLC
    Inventors: Daniel Jonathan Seeman, Dewey Privette
  • Patent number: 9897424
    Abstract: Shot shells with enhanced performance due to inclusion of an absorber between the shot wad and the shot payload. The absorber reduces the pressure within a shot gun's chamber during firing of the shell, such as by absorbing energy generated during the firing process, and may thereafter return some of the energy to the pellets as the absorber and pellets are propelled along the firearm's barrel. Accordingly, the absorber enables a shot shell to generate shot payload velocities that are greater than would be achieved without the absorber, typically at a lower internal chamber pressure. In some embodiments, the absorber has (1) a Young's Modulus of less than 2,000 psi (137.9 bar), (2) a compressive strength of at least 100 psi (6.9 bar) and/or less than 10,000 psi (689.5 bar), and/or (3) a tensile strength of at least 145 psi (10 bar) and/or less than 10,000 psi (689.5 bar).
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: February 20, 2018
    Assignee: Environ-Metal, Inc.
    Inventors: Michael Clifford Sorensen, Ralph Nauman
  • Patent number: 9784523
    Abstract: A hybrid gun device composed of two barrels (1,10) that accept energy from combustion of standard propellant (6), one barrel (10) being operative to produce a high intensity electric current to add accelerating energy to a projectile (7) in the second barrel (1) and at least one coil (8) stage to convert energy between electrical and kinetic to cause the projectile (7) to be launched at hypervelocity.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: October 10, 2017
    Assignee: Enig Associates Inc.
    Inventors: Fred Irvin Grace, Kim Yilbong, Eric N. Enig, Daniel Bentz, Michael J. Barnard
  • Patent number: 9568292
    Abstract: A round of ammunition including projectiles formed in a stack and having an offset center of mass. Upon discharge, the projectiles are subject to a complex flight path and increased drag, providing advantages in controlling pattern and depth of penetration at a distance.
    Type: Grant
    Filed: August 23, 2014
    Date of Patent: February 14, 2017
    Inventor: Hanners Gevedon
  • Patent number: 9506731
    Abstract: A multiple projectile fixed cartridge includes a casing, a retention insert arranged in the casing, and a plurality of projectiles arranged proximate the retention insert. The retention insert is configured to align and support at least a first projectile of the plurality of projectiles, and the casing is configured to align and support a second projectile of the plurality of projectiles.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: November 29, 2016
    Assignee: RA Brands, L.L.C.
    Inventor: Jason W. Imhoff
  • Patent number: 9458670
    Abstract: One or more ram accelerator devices may be used to form one or more holes in geologic or other material. These holes may be used for drilling, tunnel boring, excavation, and so forth. The ram accelerator devices propel projectiles which are accelerated by combustion of one or more combustible gasses in a ram effect to reach velocities exceeding 500 meters per second. An endcap may be deployed within a tube of the ram accelerator device to prevent incursion of formation pressure products such as oil, water, mud, gas, and so forth into a guide tube of the ram accelerator. During operation the projectile penetrates the endcap and at least a portion thereof impact a working face. In some implementations a purge gas may be used to form a ullage between the endcap and the working face.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: October 4, 2016
    Assignee: Hypersciences, Inc.
    Inventor: Mark C. Russell
  • Patent number: 8915189
    Abstract: The present invention relates to a method for packing fin-stabilized penetrators (8) in a carrier shell (1), which penetrators (8) comprise a front penetrator part (10) and a rear fin part (9, 9?) comprising fin sides (14, 14?), so that the empty space between the penetrators (8) and problems with the penetrators upon the release of the penetrators (8) from the carrier shell (1) are minimized, wherein the penetrators (8) are packed in groups (7) and are joined together to form larger packing units (6), in which each group (7) is arranged with a centrally located penetrator (8) flanked by at least three outer penetrators (8), which outer penetrators (8) are arranged so that their front penetrator parts (10) lie side to side against the fin sides (14, 14?) of the centrally located penetrator (8).
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: December 23, 2014
    Assignee: BAE Systems Bofors AB
    Inventor: Christer Thuman
  • Publication number: 20140261042
    Abstract: A multiple projectile fixed cartridge includes a casing, a retention insert arranged in the casing, and a plurality of projectiles arranged proximate the retention insert. The retention insert is configured to align and support at least a first projectile of the plurality of projectiles, and the casing is configured to align and support a second projectile of the plurality of projectiles.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: RA BRANDS, L.L.C.
    Inventor: Jason W. Imhoff
  • Patent number: 8783155
    Abstract: Provided is a barrel insert for use with a barrel containing a plurality of axially stacked projectiles. The barrel insert has a proximal and a distal end, the distal end adapted to engage a proximally disposed projectile disposed in the barrel. The barrel insert also defines an expansion volume for propellant gases for launching the proximally disposed projectile at a predetermined velocity.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: July 22, 2014
    Assignee: Metal Storm Limited
    Inventor: Daniel William Green
  • Patent number: 8763294
    Abstract: An ammunition system for a firearm includes a cartridge for a firearm, a muzzle-loaded cartridge attachment, a magnet, and a magnetic material. The muzzle-loaded cartridge attachment is loaded into the barrel after the cartridge is loaded in the usual manner. The two are adhered together by magnetic attraction. The cartridge has the magnet, the muzzle-loaded cartridge attachment has the magnet, or both have magnets aligned to draw the two together. When one magnet is present between the two, then the other must have a magnetic material to be drawn to the magnet. To enable more than one muzzle-loaded cartridge attachment to be added, a third magnet may be used within the muzzle-loaded cartridge attachment at the end opposite the cartridge to exert a magnetic field extending toward the muzzle, which will hold the next muzzle-loaded cartridge attachment added to the barrel.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: July 1, 2014
    Assignee: MBAS Associates, Trustee for Multiple Bullet Ammunition System CRT Trust
    Inventor: S. Mill Calvert
  • Patent number: 8738330
    Abstract: A scalable, inert munition data recorder cartridge. This inert cartridge allows users to record data from within a weapon system feed chute, breach, and extractor port. This cartridge is adaptable to any weapon system, packaging unit, environmental chamber, or other ammunition holding and storage device. Although the cartridge is designed to interface with a weapon and ammunition packaging based on its shape, it still functions as designed regardless of its location and application. This would allow the cartridge to be placed anywhere an actual live cartridge of ammunition could be placed.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: May 27, 2014
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Daniel DiMartino, Jeffrey Darbig
  • Patent number: 8640622
    Abstract: A projectile assembly 10 includes an individual projectile 20 and a composite projectile 30. The individual projectile 20 has a communicating portion 22. The composite projectile 30 includes at least one flechette 32. Prior to the projection of the projectile assembly 10, the composite projectile 30 is located adjacent to the communicating portion 22 of the individual projectile 20. The individual projectile 20 and the composite projectile 30 are structured and disposed for separating from one another after the initial projection of the projectile assembly 10.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: February 4, 2014
    Inventor: Donald B. Eckstein
  • Patent number: 8640623
    Abstract: A multiple-purpose projectile assembly includes an anti-personnel projectile, an armor-penetrating projectile, a propellant, a base bleed gas, and a primer. The anti-personnel projectile includes a cavity having a scored surface and is made out of a soft metal. The armor-penetrating projectile is made from a hard metal and is housed partially within the cavity of the anti-personnel projectile prior to firing from a weapon. The propellant and the primer are both housed within the cavity. The firing of the projectile assembly causes the armor-penetrating projectile to drive into the primer, thereby detonating the primer, causing the detonation of the propellant, thereby increasing the pressure of the cavity and causing the two projectiles to separate after the projectile assembly leaves the bore of the weapon. The burning of the propellant releases a base bleed gas that reduces the drag experienced by the anti-personnel projectile.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: February 4, 2014
    Inventor: Donald B. Eckstein
  • Publication number: 20130305949
    Abstract: Methods and apparatus for delivering a dosage of a drug to a target use an electrode that may deliver the drug and/or a current through the target to impede locomotion of the target. Delivery of a dosage may be accomplished by selecting one or more electrodes from a plurality of electrodes to deliver the drug or by metering deliver of the drug from one or more electrodes. Delivery of the current may be accomplished by one or more, preferably two electrodes. The electrodes that deliver the current through the target may also cooperate to deliver the dosage of the drug to the target.
    Type: Application
    Filed: May 19, 2012
    Publication date: November 21, 2013
    Inventors: Mark A. Hanchett, Andrew F. Hinz, Jeffrey Ho
  • Patent number: 8479654
    Abstract: The present invention relates to stackable projectiles having a warhead and a propulsion unit. An adaptor enables the warhead to be coupled to propulsion units made of different materials. Furthermore, an adaptor couples different profiles of warheads and propulsion units and allows projectiles to be stacked without need for design modifications. The assembled projectile can be fired electrically or mechanically.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: July 9, 2013
    Assignee: Metal Storm Limited
    Inventors: Rene Rosales, Ben Bishop
  • Patent number: 8434409
    Abstract: A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile comprises a tail assembly. The tail assembly comprises a casing and a closure in the tail assembly, the casing and closure forming a chamber containing a propellant charge, an exit from the casing for release of propellant gases into the barrel when the propellant is ignited to launch the projectile from the barrel, the closure closing the exit, wherein the closure is opened by ignition of the propellant within the chamber, a primer in a leading end of the casing, an inductor around the casing, and a signal detector at a leading end of the casing and inductor, wherein the signal detector triggers the primer and the signal detector receives a signal output from the inductor to trigger the primer.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: May 7, 2013
    Assignee: Metal Storm Limited
    Inventor: Sean Patrick O'Dwyer
  • Patent number: 8424233
    Abstract: Clips for use with projectiles and projectile stacking systems in which individual projectiles are clipped together to form a stack are disclosed. The projectiles may be joined individually by a user before loading in a barrel, or during a loading process assisted by features on the breech of the barrel. The tail of each projectile includes a set of clips which engage the nose of a trailing projectile in the stack. Projectiles may be withdrawn from barrel and unclipped as required by the user.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: April 23, 2013
    Assignee: Metal Storm Limited
    Inventors: Joseph F. Cronin, Sean P. O'Dwyer, Roger H. Thompson
  • Patent number: 8402897
    Abstract: Projectiles with sealed propellant are described herein. In one embodiment of the invention, a projectile includes a chamber having a propellant charger, an exit from the chamber for release of propellant gases into a barrel when the propellant is ignited to fire the projectile, and a seal to block the exit which is opened by ignition of the propellant within the chamber but is resistant to ignition of other propellant in the barrel, where the seal is carried from the barrel by the projectile after the ignition. Other methods and apparatuses are also described.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: March 26, 2013
    Assignee: Metal Storm Limited
    Inventors: James Michael O'Dwyer, Sean Patrick O'Dwyer
  • Patent number: 8387532
    Abstract: A barrel assembly for a weapon, said barrel assembly including a barrel; a plurality of projectile assemblies axially disposed in end to end abutting relationship within said barrel for operative sealing engagement with the bore of the barrel, each projectile including a projectile head and an integral cylindrical spacer portion extending axially and rearwardly from said projectile head; discrete propellant charges accommodated within said cylindrical spacer portion for propelling respective projectile assemblies sequentially through the muzzle of the barrel; ignition means for igniting said discrete propellant charges; and control means for selectively and sequentially actuating the ignition means.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: March 5, 2013
    Assignee: Metal Storm Limited
    Inventor: James Michael O'Dwyer
  • Publication number: 20130047880
    Abstract: A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile comprises a tail assembly. The tail assembly comprises a casing and a closure in the tail assembly, the casing and closure forming a chamber containing a propellant charge, an exit from the casing for release of propellant gases into the barrel when the propellant is ignited to launch the projectile from the barrel, the closure closing the exit, wherein the closure is opened by ignition of the propellant within the chamber, a primer in a leading end of the casing, an inductor around the casing, and a signal detector at a leading end of the casing and inductor, wherein the signal detector triggers the primer and the signal detector receives a signal output from the inductor to trigger the primer.
    Type: Application
    Filed: April 16, 2012
    Publication date: February 28, 2013
    Applicant: Metal Storm Limited
    Inventor: Sean P. O'Dwyer
  • Patent number: 8316770
    Abstract: A munition round includes a cartridge case; a canister disposed at a forward end of the cartridge case, the canister including a piston movable in the canister; a plurality of high-density spheroids having a diameter in a range of about 0.25 inches to about 0.5 inches; a rear container disposed in the canister adjacent the piston, and fully loaded with the high-density spheroids; a front container disposed in the canister and partially loaded with the high-density spheroids, a remaining volume of the front container occupied by a spacer disc disposed atop the high-density spheroids; and a cap that closes a forward end of the canister.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: November 27, 2012
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Patrick Fisher, Meghan Abraham, Bhuvanesh Thoguluva, Keith Martin, Robin Zeto
  • Patent number: 8281720
    Abstract: A flechette cartridge is provided, containing a plurality of flechettes, capable of firing the flechettes in a concentrated and accurate spread pattern upon firing. In particular, both low and high velocity flechette cartridges are provided, which accurately disperse flechettes in a concentrated spread pattern. The flechette cartridge minimizes the parasitic launch mass to maximize flechette payload, flechette velocity and kinetic energy, and to maximize target effects. The flechette cartridge provides a robust means for reliably stripping the flechette payload cup.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: October 9, 2012
    Inventors: Frank J Dindl, Kenneth R Jones
  • Publication number: 20120234198
    Abstract: A casing has a projectile receiving end portion and a primer receiving end portion. A plurality of projectiles is positioned in a stacked configuration within the casing at the projectile receiving end portion. A propellant receiving space is defined within the casing between an innermost one of the projectiles and the primer receiving end portion of the casing. The innermost one of the projectiles has a gas check body attached thereto at an end face thereof exposed to the propellant receiving space of the casing. A first cannulure is positioned between the gas check body and the primer receiving end portion of the casing for defining a protrusion for limiting displacement of the gas check body toward the primer receiving end portion of the casing. A second cannulure is positioned within the projectile receiving end portion of the casing for forming a protrusion that engages an outermost one of the projectiles.
    Type: Application
    Filed: March 14, 2011
    Publication date: September 20, 2012
    Inventor: Matthew Morman Carmel
  • Patent number: 8250987
    Abstract: A Kinetic Energy penetrator round is shown effective in neutralizing incoming air borne threat munitions such as rockets, artillery, or mortars for instance, without posing a threat in urban environments to harm bystanders on the ground. There are also no hazards or expense with this round of cleaning up unexploded ordnance, which might have occurred with other types of rounds due to unreliability of self destruct mechanisms. Shown herein is a kinetic energy penetrator for air defense that merely self destructs beyond its operational range into fragments that are not lethal to personnel on ground; no pyrotechnic or energetic materials means are used to activate this self destruct process. A full bore projectile structure is shown that is composed of plural axi-symmetric circular disks stacked on each other and tied by a shape memory metal wire of Nitinol. While operational as a joined group, the disks are a formidable round to kill an incoming air target.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: August 28, 2012
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Andrew Morley, Mohan J. Palathingal, Leon Manole, Ernest L. Logsdon, Jr.
  • Patent number: 8156868
    Abstract: A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile includes a chamber containing a propellant charge, with an exit from the chamber for release of propulsion gases into the barrel. A seal blocks the exit and is opened by ignition of the propellant within the chamber but is resistant to gases produced by ignition of propellant in other projectiles in the barrel. The exit and seal are provided in a range of different forms. The exit may be an aperture in a wall of the chamber with the seal as a moveable barrier, such as a valve-like structure, for example. The seal may also include a rupturable or deformable barrier across the aperture. Alternatively the seal is a thin barrier around the charge such as a wax coating and the exit involves a disintegrable character of the barrier. The seal may also be an inherent property of the geometry of the chamber.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: April 17, 2012
    Assignee: Metal Storm Limited
    Inventor: Sean Patrick O'Dwyer
  • Patent number: 8141492
    Abstract: A means of increasing the velocity of projectiles using multiple charges ignited at different times to facilitate a sustained pressure pulse in the barrel is provided. The propellant charges are separated with one or more rigid barriers and ignited in series; igniting the propellant nearest to the projectile first and the propellant that is farthest from the propellant last. By timing the ignition of the charges a higher average pressure is sustained in the gun tube without risking a breach blow. After the peak pressure of the first propellant charge is reached the second propellant is ignited. The energy of the second propellant causes the pressure in the gun tube to fall more gradually. Thus the average pressure that acts on the projectile is safely increased. The following includes several methods of accomplishing this.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: March 27, 2012
    Inventor: Jonathan Gentry Ambs
  • Patent number: 8127685
    Abstract: An existing projectile (21) is modified by adding a tail piece (22) to enable axial stacking of multiple projectiles (20) in a common barrel. Propellant for each modified projectile (20) is contained in respective chambers located external to the barrel and connected to the bore of the barrel through associated ports. Tail piece (22) aligns with a respective port and provides a space between consecutive projectiles (20) into which the propellant gas expands after ignition. Separate claims are directed to tail assembly (22), modified projectile (20), the barrel assembly having a plurality of projectiles (20) stacked in end-to-end relation, and to an external initiation system for the barrel assembly (see FIGS. 4, 7).
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: March 6, 2012
    Assignee: Metal Storm Limited
    Inventors: James Michael O'Dwyer, Sean Patrick O'Dwyer
  • Patent number: 8109212
    Abstract: A projectile (10) is for use with barrel assemblies of the type having a plurality of projectiles axially disposed within a barrel having a bore and a muzzle and which projectiles are associated with discrete propellant charges for propelling said projectiles sequentially through the muzzle of the barrel. Projectile (10) comprises expandable sleeve (11) encircling at least part of core (12). Sleeve (11) and core (12) have wedging surfaces (14) operable to deform trailing part (21) of sleeve (11) into sealing engagement with the bore in response to pressure exerted on the projectile (10). When projectiles (10) are axially disposed in the bore, rear face (24) of the leading projectile cooperates with leading face (20) of the trailing projectile to define a discrete space about spine (23) for receipt of the propellant charge. Sleeve (11) is retained about the core (12) during travel to the target.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: February 7, 2012
    Assignee: Metal Storm Limited
    Inventor: James Michael O'Dwyer
  • Patent number: 8074572
    Abstract: A cargo round (e.g., 155 mm high explosive projectile) is provided for dispensing submunitions. The round includes a nose tip, a casing attached thereto forming a chamber, a tail and a payload in the chamber between the tip and tail. The payload includes a plurality of axi-symmetric darts mounted on a plurality of front and rear tandem plates. Each dart has fore and aft ends along a polar axis. Each dart is shaped as a cone at its fore end and includes a cavity at its aft end. Each plate has a plurality of orifices arranged in a regular pattern. Each orifice receives a corresponding dart to protrude from both obverse and reverse sides of the plate. Each fore end of its dart in the rear plate inserts into the cavity of a counterpart dart in the front plate, and each plate shears apart on release of the payload to disperse the darts.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: December 13, 2011
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Geoffrey A. Bland, Larry Stephen Weedon, II
  • Publication number: 20110277657
    Abstract: A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile includes a chamber containing a propellant charge, with an exit from the chamber for release of propulsion gases into the barrel. A seal blocks the exit and is opened by ignition of the propellant within the chamber but is resistant to gases produced by ignition of propellant in other projectiles in the barrel. The exit and seal are provided in a range of different forms. The exit may be an aperture in a wall of the chamber with the seal as a moveable barrier, such as a valve-like structure, for example. The seal may also include a rupturable or deformable barrier across the aperture. Alternatively the seal is a thin barrier around the charge such as a wax coating and the exit involves a disintegrable character of the barrier. The seal may also be an inherent property of the geometry of the chamber.
    Type: Application
    Filed: July 25, 2011
    Publication date: November 17, 2011
    Applicant: Metal Storm Limited
    Inventor: Sean P. O'Dwyer
  • Publication number: 20110192311
    Abstract: A flechette cartridge is provided, containing a plurality of flechettes, capable of firing the flechettes in a concentrated and accurate spread pattern upon firing. In particular, both low and high velocity flechette cartridges are provided, which accurately disperse flechettes in a concentrated spread pattern. The flechette cartridge minimizes the parasitic launch mass to maximize flechette payload, flechette velocity and kinetic energy, and to maximize target effects. The flechette cartridge provides a robust means for reliably stripping the flechette payload cup.
    Type: Application
    Filed: September 22, 2010
    Publication date: August 11, 2011
    Inventors: Frank J. Dindl, Kenneth R. Jones
  • Publication number: 20110185936
    Abstract: A shotshell comprising an elongate casing defining an internal chamber, a propellant located within said casing, and a shot load within the casing, the shot load comprising a plurality of disc-shaped projectiles, arranged in the casing so that the plane of each of the disc-shaped projectiles is generally perpendicular to the longitudinal axis of the casing, and a plurality of generally spherical projectiles disposed in the casing behind the generally disc-shaped projectiles.
    Type: Application
    Filed: January 6, 2011
    Publication date: August 4, 2011
    Inventors: Matthew D. Richardson, Morris C. Buenemann, JR., Angela C. Berring
  • Patent number: 7984675
    Abstract: A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile includes a chamber containing a propellant charge, with an exit from the chamber for release of propulsion gases into the barrel. A seal blocks the exit and is opened by ignition of the propellant within the chamber but is resistant to gases produced by ignition of propellant in other projectiles in the barrel. The exit and seal are provided in a range of different forms. The exit may be an aperture in a wall of the chamber with the seal as a moveable barrier, such as a valve-like structure, for example. The seal may also include a rupturable or deformable barrier across the aperture. Alternatively the seal is a thin barrier around the charge such as a wax coating and the exit involves a disintegrable character of the barrier. The seal may also be an inherent property of the geometry of the chamber.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: July 26, 2011
    Assignee: Metal Storm Limited
    Inventor: Sean P. O'Dwyer
  • Publication number: 20110146522
    Abstract: A cartridge assembly (i) for weapons, said cartridge assembly including: a tubular body (a) having a central longitudinal channel containing a plurality of electrically fired projectile assemblies (b) in axially stacked orientation, each comprised of a propellant layer (c) and one or more other layers. At the base of the cartridge assembly (i) are routing electronics (f) to control sequential ignition of each propellant layer (c) subsequently launching an aerodynamic projectile (h) created by the incident pressure wave with favorable ballistic qualities derived from the characteristics of the projectile assembly (b).
    Type: Application
    Filed: September 2, 2010
    Publication date: June 23, 2011
    Inventor: Paul Edward Wonsewitz
  • Patent number: 7845281
    Abstract: A gun firing method whereby multiple projectiles segments that are contained within a cartridge are fired simultaneously in a symmetrical pattern. Some of the multiple projectile segments are modified by moving the center of mass of the projectile segments away from the central longitudinal axis of the cartridge. This in combination with bring fired from a rifled gun barrel will impart velocity to the modified projectile segments upon exiting the gun barrel at right angles to the gun barrel. This velocity along with the higher muzzle velocity will cause the modified projectile segments to diverge away from the trajectory of a standard projectile segment and strike the target away from the bullseye. The magnitude of the divergence will vary with the distance the projectile segment's center of mass is away from the central longitudinal axis of the cartridge.
    Type: Grant
    Filed: June 2, 2007
    Date of Patent: December 7, 2010
    Inventor: Richard Frank Sexton
  • Publication number: 20100282111
    Abstract: A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile includes a chamber containing a propellant charge, with an exit from the chamber for release of propulsion gases into the barrel. A seal blocks the exit and is opened by ignition of the propellant within the chamber but is resistant to gases produced by ignition of propellant in other projectiles in the barrel. The exit and seal are provided in a range of different forms. The exit may be an aperture in a wall of the chamber with the seal as a moveable barrier, such as a valve-like structure, for example. The seal may also include a rupturable or deformable barrier across the aperture. Alternatively the seal is a thin barrier around the charge such as a wax coating and the exit involves a disintegrable character of the barrier. The seal may also be an inherent property of the geometry of the chamber.
    Type: Application
    Filed: August 29, 2008
    Publication date: November 11, 2010
    Applicant: Metal Storm Limited
    Inventor: Sean P. O'Dwyer
  • Publication number: 20100282110
    Abstract: A gun firing method whereby multiple projectiles segments that are contained within a cartridge are fired simultaneously in a symmetrical pattern. Some of the multiple projectile segments are modified by moving the center of mass of the projectile segments away from the central longitudinal axis of the cartridge. This in combination with bring fired from a rifled gun barrel will impart velocity to the modified projectile segments upon exiting the gun barrel at right angles to the gun barrel. This velocity along with the higher muzzle velocity will cause the modified projectile segments to diverge away from the trajectory of a standard projectile segment and strike the target away from the bullseye. The magnitude of the divergence will vary with the distance the projectile segment's center of mass is away from the central longitudinal axis of the cartridge.
    Type: Application
    Filed: June 2, 2007
    Publication date: November 11, 2010
    Inventor: Richard F. Sexton
  • Patent number: 7823509
    Abstract: A flechette cartridge is provided, containing a plurality of flechettes, capable of firing the flechettes in a concentrated and accurate spread pattern upon firing. In particular, both low and high velocity flechette cartridges are provided, which accurately disperse flechettes in a concentrated spread pattern. The flechette cartridge minimizes the parasitic launch mass to maximize flechette payload, flechette velocity and kinetic energy, and to maximize target effects. The flechette cartridge provides a robust means for reliably stripping the flechette payload cup.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: November 2, 2010
    Inventors: Frank J Dindl, Kenneth R Jones
  • Publication number: 20100212531
    Abstract: A flechette cartridge is provided, containing a plurality of flechettes, capable of firing the flechettes in a concentrated and accurate spread pattern upon firing. In particular, both low and high velocity flechette cartridges are provided, which accurately disperse flechettes in a concentrated spread pattern. The flechette cartridge minimizes the parasitic launch mass to maximize flechette payload, flechette velocity and kinetic energy, and to maximize target effects. The flechette cartridge provides a robust means for reliably stripping the flechette payload cup.
    Type: Application
    Filed: July 20, 2007
    Publication date: August 26, 2010
    Applicant: Dindl Firearms Manufacturing, Inc.
    Inventors: Frank J. Dindl, Kenneth R. Jones
  • Patent number: 7743705
    Abstract: A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile includes a chamber containing a propellant charge, with an exit from the chamber for release of propulsion gases into the barrel. A seal blocks the exit and is opened by ignition of the propellant within the chamber but is resistant to gases produced by ignition of propellant in other projectiles in the barrel. The exit and seal are provided in a range of different forms. The exit may be an aperture in a wall of the chamber with the seal as a moveable barrier, such as a valve-like structure, for example. The seal may also include a rupturable or deformable barrier across the aperture. Alternatively the seal is a thin barrier around the charge such as a wax coating and the exit involves a disintegrable character of the barrier. The seal may also be an inherent property of the geometry of the chamber.
    Type: Grant
    Filed: February 21, 2007
    Date of Patent: June 29, 2010
    Assignee: Metal Storm Limited
    Inventor: Sean P. O'Dwyer
  • Patent number: 7735254
    Abstract: A weapon (104) including a stock, a barrel assembly (105) slidably mounted on said stock whereby, on discharging said weapon, the barrel assembly (105) slidably recoils relative to said stock, and a damper (107) for decelerating the recoiling barrel assembly, wherein said barrel assembly (105) includes a plurality of projectiles axially disposed within a barrel (108) wherein each of said projectiles is associated with a discrete propellant charge for propelling said projectile from the barrel. Suitably the weapon further includes a breech block (109) which slidably recoils relative to said stock and a further damper (106) for decelerating the recoiling breech block.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: June 15, 2010
    Inventor: James Michael O'Dwyer
  • Publication number: 20100126370
    Abstract: A projectile (10) is for use with barrel assemblies of the type having a plurality of projectiles axially disposed within a barrel having a bore and a muzzle and which projectiles are associated with discrete propellant charges for propelling said projectiles sequentially through the muzzle of the barrel. Projectile (10) comprises expandable sleeve (11) encircling at least part of core (12). Sleeve (11) and core (12) have wedging surfaces (14) operable to deform trailing part (21) of sleeve (11) into sealing engagement with the bore in response to pressure exerted on the projectile (10). When projectiles (10) are axially disposed in the bore, rear face (24) of the leading projectile cooperates with leading face (20) of the trailing projectile to define a discrete space about spine (23) for receipt of the propellant charge. Sleeve (11) is retained about the core (12) during travel to the target.
    Type: Application
    Filed: November 20, 2009
    Publication date: May 27, 2010
    Applicant: METAL STORM LIMITED
    Inventor: James Michael O'Dwyer
  • Patent number: 7707941
    Abstract: A cartridge assembly (10) for firearms or weapons, said cartridge assembly including a support body (11) having a central longitudinal channel (16) housing a plurality of projectiles (20, 22, 24) in end-to-end orientation and having a plurality of circumferential chambers (14), wherein each chamber houses (14a, 14b, 14c) at least one propellant charge (12a, 12b, 12c) and is located adjacent to a respective projectile; fluid communication means (18) included in the support body for communicating the products of a gaseous expansion of said propellant from a respective chamber (14) into said central longitudinal channel (16); whereby, upon initiation of a selected propellant charge (12a, 12b, 12c), the communicated products of gaseous expansion from a circumferential chamber force or eject a respective projectile (20, 22, 24) from the cartridge assembly (10). The propellant charges may comprise a volume of propellant material encased in a bag with an igniter.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: May 4, 2010
    Assignee: Metal Storm Limited
    Inventors: Ben Bishop, Ramon John Bambach, James Michael O'Dwyer, Vinod Puri
  • Publication number: 20100101443
    Abstract: The present invention relates to stackable projectiles having a warhead and a propulsion unit. An adaptor enables the warhead to be coupled to propulsion units made of different materials. Furthermore, an adaptor couples different profiles of warheads and propulsion units and allows projectiles to be stacked without need for design modifications. The assembled projectile can be fired electrically or mechanically.
    Type: Application
    Filed: December 14, 2007
    Publication date: April 29, 2010
    Inventors: Rene Rosales, Ben Bishop
  • Patent number: 7654202
    Abstract: Methods and articles are provided for frangible slugs. A method of manufacturing a frangible slug includes heating substantially spherical metallic powdered particles, wherein substantially all of the powdered particles have diameters larger than 125 microns and smaller than 250 microns, to form heated powdered particles. The method includes heating a microcrystalline wax, to form a melted wax. The method also includes combining the heated powdered particles with the melted wax, to form a liquid mixture. The method further includes filling a payload cavity of a frangible slug container with the liquid mixture to form a liquid mixture payload.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: February 2, 2010
    Assignee: Stresau West, Inc.
    Inventor: Michael A. Romero
  • Patent number: 7631600
    Abstract: A projectile deployment system for use in intercepting a target (32) wherein the system includes a body (10) defining a body axis, and a number of barrels (30) circumferentially spaced around the body axis. Each of the barrels (30) contains a number of projectiles (31) axially stacked therein, with a corresponding number of charges being provided such that each charge is associated with a respective projectile (31) along barrel (30). Each of the charges is individually activated to deploy a respective projectile (31) in response to a signal from a controller.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: December 15, 2009
    Assignee: Metal Storm Limited
    Inventor: Sean Patrick O'Dwyer
  • Publication number: 20090241795
    Abstract: Projectiles with sealed propellant are described herein. In one embodiment of the invention, a projectile includes a chamber having a propellant charger, an exit from the chamber for release of propellant gases into a barrel when the propellant is ignited to fire the projectile, and a seal to block the exit which is opened by ignition of the propellant within the chamber but is resistant to ignition of other propellant in the barrel, where the seal is carried from the barrel by the projectile after the ignition. Other methods and apparatuses are also described.
    Type: Application
    Filed: December 30, 2008
    Publication date: October 1, 2009
    Applicant: Metal Storm Limited
    Inventors: James Michael O'DWYER, Sean Patrick O'DWYER
  • Publication number: 20090241796
    Abstract: A projectile sealing arrangement for a barrel assembly of a weapon in which a plurality of projectile assemblies are axially disposed in abutting relationship within a barrel. Each projectile assembly is associated with a discrete propellant charge. The sealing arrangement includes a rearward opening communicating with a cavity provided in each projectile assembly for containing the discrete propellant charge, and a forward portion of an abutting projectile assembly arranged for operative sealing engagement with the rearward opening. During application of a compressive load to abutting projectile assemblies, the discrete propellant charge is sealed within the cavity.
    Type: Application
    Filed: December 30, 2008
    Publication date: October 1, 2009
    Applicant: METAL STORM LIMITED
    Inventor: Ramon John Bambach
  • Publication number: 20090173250
    Abstract: A system is disclosed for defeating enemy missiles and rockets, particularly rocket propelled grenades (RPG's). The first step is to identify the firing of a missile by the use of sensors that give the approximate distance and bearing of the incoming missile. A non-lethal cloud of pellets is then launched from the target, which can be a building or vehicle or the like, in the general direction of the missile. The pellets are housed in a series of warhead containers mounted at locations on the target in various orientations. The warheads are triggered to fire a low velocity cloud of pellets toward the incoming missile. The pellets then collide with the missile a certain distance away from the target causing premature detonation of the missile, and/or possible severe damage to the missile, and/or deflection of the missile, due to the relatively high velocity of the missile.
    Type: Application
    Filed: March 28, 2008
    Publication date: July 9, 2009
    Applicant: MECHANICAL SOLUTIONS INC.
    Inventors: William Donnelly Marscher, William Joseph Kelly, Paul James Guthrie, Joseph John DeLorenzo, George DeMassi
  • Publication number: 20090126594
    Abstract: An ammunition device having two or more projectiles (2) arranged one after the other. Each projectile has allocated to it a propellant charge (5) substantially surrounding the projectile arranged for individual activation with an ignition ring and an ignition system (12, 13). The projectiles and their propellant charges are arranged one after the other in an enclosing unit (1), and the projectiles are so arranged as to leave the enclosing unit one at a time in its longitudinal direction at the time of the individual activations of the propellant charges (5). Shorter ammunition devices and opportunities for rapid firing sequences of the projectiles are achieved with the invention.
    Type: Application
    Filed: July 4, 2006
    Publication date: May 21, 2009
    Applicant: BAE Systems Bofors AB
    Inventors: Ola Stark, Lars-Peter Svanberg