Patents Assigned to General Dynamics Ordnance and Tactical Systems
  • Patent number: 12337511
    Abstract: Small-, medium-, and large-caliber combustible cartridge cases and propellant combustible containers that are manufactured using reactive injection molding of azido polymers. An injection process for a single propellant combustible charge including the steps of: providing a quantity of azido bearing polymer; providing a quantity of curing agent; optionally providing a quantity of chemical blowing agent; optionally providing a quantity of fibers; optionally providing a quantity of additives and catalysts; and providing a mold defining a male cavity, a female cavity, and an injection port. The injection process further includes mixing together the azido bearing polymer, the curing agent, the optional chemical blowing agent, the optional fibers, the optional additives and catalysts, and injecting the resulting mixture into the mold.
    Type: Grant
    Filed: November 17, 2023
    Date of Patent: June 24, 2025
    Assignee: General Dynamics Ordnance and Tactical Systems—Canada Inc
    Inventors: Etienne Comtois, Charles Dubois, Pierre-Yves Paradis
  • Publication number: 20240247903
    Abstract: A conversion kit for installation into weapon to replace the service barrel with a sub-caliber barrel for firing reduced energy training cartridges. The conversion kit includes a barrel sleeve, a barrel support and a collet disposed between in the barrel support for fixedly securing the barrel sleeve therein. The collet is disposed in a double tapered bore formed in the barrel support for fixedly securing the barrel sleeve at both ends of the collet into the barrel support. A flash hider, which has been removed from the service barrel, is threadably received in the barrel support and functions as a collet nut for clamping the collet onto the barrel sleeve.
    Type: Application
    Filed: October 25, 2023
    Publication date: July 25, 2024
    Applicant: General Dynamics Ordnance and Tactical Systems - Canada, Inc.
    Inventors: Richard Dion, Erick Picard
  • Publication number: 20240093979
    Abstract: The tracer projectile having a closure disk assembly is described. The tracer projectile includes a projectile base with a tracer cavity formed therein. A pyrotechnic charge is pressed into the tracer cavity and is ignitable by burning propellant such that a trajectory of the projectile is visible when fired. A closure disk assembly covers and seals the tracer cavity. A crown of the closure disk assembly is supported on a ring flange formed by an annular groove in the projectile base. A sidewall of the closure disk assembly surrounds the ring flange. A retaining element is disposed in the annular groove and engages a rim of the closure disk assembly for securing the closure disk assembly to the projectile base over the tracer cavity.
    Type: Application
    Filed: September 13, 2022
    Publication date: March 21, 2024
    Applicant: General Dynamics Ordnance and Tactical Systems - Canada, Inc.
    Inventor: Eric Lafortune
  • Publication number: 20240083079
    Abstract: Small-, medium-, and large-caliber combustible cartridge cases and propellant combustible containers that are manufactured using reactive injection molding of azido polymers. An injection process for a single propellant combustible charge including the steps of: providing a quantity of azido bearing polymer; providing a quantity of curing agent; optionally providing a quantity of chemical blowing agent; optionally providing a quantity of fibers; optionally providing a quantity of additives and catalysts; and providing a mold defining a male cavity, a female cavity, and an injection port. The injection process further includes mixing together the azido bearing polymer, the curing agent, the optional chemical blowing agent, the optional fibers, the optional additives and catalysts, and injecting the resulting mixture into the mold.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Applicant: General Dynamics Ordnance and Tactical Systems - Canada, Inc.
    Inventors: Etienne Comtois, Charles Dubois, Pierre-Yves Paradis
  • Patent number: 11519702
    Abstract: A cartridge includes a cartridge case having a shell having a first end portion, a second end portion opposite the first end portion and a cylindrical body extending from the first end portion to the second end portion. A reinforcing cap includes a base, a sidewall extending from the base and surrounding the first end portion such that the first edge of the shell abuts an inner face of the base, and a projection extending from the inner face. A ring is pressed against the inner face and forms an air-tight seal between the projection, the inner face, the ring, and the first end portion of the shell. A plurality of indentations form protrusions in the sidewall and the first end portion for interlocking the reinforcing cap to the shell and retaining the ring against the inner face of the base.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: December 6, 2022
    Assignee: General Dynamics Ordnance and Tactical Systems -Canada Inc.
    Inventors: Yann Routhier, Jean-Sébastien Saudrais, Jean Paradis
  • Patent number: 11287235
    Abstract: Nonlethal cartridges adapted to be chambered in a firearm having a barrel that includes rifling are provided. In one example, the cartridge includes a cartridge case and a sabot that is telescopically coupled to the cartridge case and that has a sabot mouth. A projectile includes a polymer base projectile portion disposed in the sabot mouth. A polymer front shell projectile portion is coupled to the polymer base projectile portion and has an outer surface that includes a circular locking rib feature that forms an interference fit with the sabot mouth. The polymer base projectile portion is configured to engage the rifling of the barrel to impart spin stabilization to the nonlethal projectile when propelled from the sabot in response to the expansion of a propellant gas.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: March 29, 2022
    Assignee: General Dynamics Ordnance and Tactical Systems—Canada, Inc.
    Inventor: Eric Lafortune
  • Publication number: 20210270587
    Abstract: Nonlethal cartridges adapted to be chambered in a firearm having a barrel that includes rifling are provided. In one example, the cartridge includes a cartridge case and a sabot that is telescopically coupled to the cartridge case and that has a sabot mouth. A projectile includes a polymer base projectile portion disposed in the sabot mouth. A polymer front shell projectile portion is coupled to the polymer base projectile portion and has an outer surface that includes a circular locking rib feature that forms an interference fit with the sabot mouth. The polymer base projectile portion is configured to engage the rifling of the barrel to impart spin stabilization to the nonlethal projectile when propelled from the sabot in response to the expansion of a propellant gas.
    Type: Application
    Filed: February 19, 2020
    Publication date: September 2, 2021
    Applicant: General Dynamics Ordnance and Tactical Systems - Canada, Inc.
    Inventor: Eric Lafortune
  • Patent number: 10843979
    Abstract: A method of manufacturing a multi-layered propellant grain is provided. The method of the present disclosure simplifies the setup necessary to produce multi-layered propellants by using industrial equipment that is more energy and space efficient than the machinery that is conventionally employed for such processes. The method comprises providing a first propellant formulation; providing a die configured to provide a structure having an outer shell and a hollow interior when material is extruded therethrough; extruding the first propellant formulation through said die, to produce a first propellant layer having an outer shell defining a hollow interior in the form channel having open ends; providing a second propellant formulation, said second propellant formulation being of low viscosity; injecting said second propellant formulation into said channel defined by said first propellant layer to form a second propellant layer disposed in said channel; and hardening said second propellant layer.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: November 24, 2020
    Assignee: General Dynamics Ordnance and Tactical Systems—Canada Valleyfield Inc.
    Inventors: Simon Durand, Pierre-Yves Paradis, Daniel Lepage
  • Patent number: 10254065
    Abstract: A slide for a weapon conversion kit of the type used in conjunction with a firearm having a stock ejector and configured to fire ammunition is provided. The slide includes a slide body and a slaved ejector member rotatably coupled to the slide body. The slaved ejector member has a first portion and a second portion, the second portion including a contact region. The slaved ejector member is configured to contact the stock ejector when the slide body slides rearward in response to firing of the firearm and thereby causes the contact region of the second portion of the slaved ejector member to eject a cartridge case of the ammunition.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: April 9, 2019
    Assignee: General Dynamics Ordnance and Tactical Systems—Canada, Inc.
    Inventor: Sylvain Dionne
  • Patent number: 10254071
    Abstract: A conversion kit for a firearm of the type having a removable component is disclosed. The conversion kit includes a chamber piece having a coupling end, and a muzzle piece of a conversion barrel having a coupling end configured to be secured to the coupling end of the chamber piece and an engagement end. The engagement end is configured to mate with the removable component such that manipulation of the removable component causes the coupling end of the muzzle piece of the conversion barrel to be secured to the coupling end of the chamber piece.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: April 9, 2019
    Assignee: General Dynamics Ordnance and Tactical Systems—Canada, Inc
    Inventor: Sylvain Dionne
  • Patent number: 10113846
    Abstract: A container (e.g., an ammunition casing, a rocket housing, or the like) includes a body structure having a wall defining a cavity configured to accept an energetic material, the body structure having a central region situated longitudinally between a first side region and a second side region, wherein the wall within the central region has a thickness that is less than the thickness of the wall within first region and either less than or equal to the thickness within the second side region. A strength reduction pattern is formed at least partially within the central region of the wall such that the strength reduction pattern provides a preferred rupture path when the energetic material is subjected to a predetermined external stimulus.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: October 30, 2018
    Assignee: General Dynamics Ordnance and Tactical Systems-Canada, Inc.
    Inventors: Sylvain Pitre, André Goulet
  • Patent number: 9857151
    Abstract: An ammunition primer assembly is provided that includes, but is not limited to a cup having a base and a sidewall, a priming composition located in the cup and disposed on the base, an anvil located in the cup an upper surface, a lower surface and a side surface abutting the sidewall. The anvil defining a central channel formed therethrough. A portion of the base of the cup forms a striking surface. The striking surface is adjacent to a portion of the primer composition that is adjacent to the lower surface of the anvil. The striking surface is offset from a center of the cup.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: January 2, 2018
    Assignee: General Dynamics Ordnance and Tactical Systems—Canada, Inc.
    Inventors: Sylvain Dionne, Pierre Duchesne, Eric Toutant
  • Patent number: 9539752
    Abstract: The present disclosure relates to a continuous extrusion process for producing a celluloid article including several steps and a celluloid article prepared by the continuous extrusion process.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: January 10, 2017
    Assignee: General Dynamics Ordnance and Tactical Systems—Canada Valleyfield, Inc.
    Inventors: Charles Dubois, Etienne Comtois
  • Publication number: 20160238355
    Abstract: An ammunition primer assembly is provided that includes, but is not limited to a cup having a base and a sidewall, a priming composition located in the cup and disposed on the base, an anvil located in the cup an upper surface, a lower surface and a side surface abutting the sidewall. The anvil defining a central channel formed therethrough. A portion of the base of the cup forms a striking surface. The striking surface is adjacent to a portion of the primer composition that is adjacent to the lower surface of the anvil. The striking surface is offset from a center of the cup.
    Type: Application
    Filed: October 20, 2014
    Publication date: August 18, 2016
    Applicant: General Dynamics Ordnance and Tactical Systems Canada Inc.
    Inventors: Sylvain Dionne, Pierre Duchesne, Eric Toutant
  • Patent number: 9404713
    Abstract: A gun sight for use with a weapon configured for super elevation is disclosed herein. The gun sight includes, but is not limited to, an imaging system that is configured for rotation. The gun sight further includes a drive mechanism that associated with the imaging system and that is configured to rotate the imaging system. The gun sight further includes a gyroscope associated with one of the weapon and the imaging system. The gun sight still further includes a processor that is communicatively coupled with the drive mechanism and the gyroscope. The processor is configured to control the drive mechanism to rotate the imaging system in a manner that causes the imaging system to maintain an initial angular orientation based on information provided by the gyroscope when the weapon is superelevated.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: August 2, 2016
    Assignee: General Dynamics Ordnance and Tactical Systems, Inc.
    Inventors: Jonathan Piazza, Theodore Bloomhardt, John Fletcher, III, Vladimir G. Krylov, Craig Pepper
  • Publication number: 20150345909
    Abstract: An apparatus and system for controlling the trajectory of a projectile having two rotationally decoupled sections, wherein the first section is rotationally decoupled from the second section. The first section of the projectile contains a navigation system. The first section also contains an actuator by which aero-control surfaces on the second section are actuated. The second section may have external aero-spin surfaces which provide a torque counter to the rotation of the base projectile. The apparatus and system also includes embodiments having applications for nose sections of projectiles.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 3, 2015
    Applicant: General Dynamics Ordnance and Tactical Systems, Inc.
    Inventors: Joseph P. Morris, Paul Lichon, Douglas L. Smith
  • Patent number: 9157715
    Abstract: A marking projectile configured to be fired through the barrel of a firearm having rifling formed therein is provided. The marking projectile includes a polymeric base portion configured to engage the rifling of the barrel and a polymeric front shell portion coupled to the base portion. The polymeric front shell portion has a cavity formed therein for housing a marking compound and a structure configured to deform on impact and thereby release the marking compound. The marking projectile includes a metallic annular sealing component (e.g., a crimped metal ring) configured to seal the polymeric front shell portion to the polymeric base portion.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: October 13, 2015
    Assignee: General Dynamics Ordnance and Tactical Systems—Canada Inc.
    Inventors: Eric Lafortune, Luis de Sousa
  • Publication number: 20150284301
    Abstract: A method of manufacturing a multi-layered propellant grain is provided. The method of the present disclosure simplifies the setup necessary to produce multi-layered propellants by using industrial equipment that is more energy and space efficient than the machinery that is conventionally employed for such processes. The method comprises providing a first propellant formulation; providing a die configured to provide a structure having an outer shell and a hollow interior when material is extruded therethrough; extruding the first propellant formulation through said die, to produce a first propellant layer having an outer shell defining a hollow interior in the form channel having open ends; providing a second propellant formulation, said second propellant formulation being of low viscosity; injecting said second propellant formulation into said channel defined by said first propellant layer to form a second propellant layer disposed in said channel; and hardening said second propellant layer.
    Type: Application
    Filed: January 28, 2014
    Publication date: October 8, 2015
    Applicant: General Dynamics Ordnance and Tactical Systems - Canada Valleyfield Inc.
    Inventors: Simon Durand, Pierre-Yves Paradis, Daniel Lepage
  • Publication number: 20150253112
    Abstract: A gun sight for use with a weapon configured for super elevation is disclosed herein. The gun sight includes, but is not limited to, an imaging system that is configured for rotation. The gun sight further includes a drive mechanism that associated with the imaging system and that is configured to rotate the imaging system. The gun sight further includes a gyroscope associated with one of the weapon and the imaging system. The gun sight still further includes a processor that is communicatively coupled with the drive mechanism and the gyroscope. The processor is configured to control the drive mechanism to rotate the imaging system in a manner that causes the imaging system to maintain an initial angular orientation based on information provided by the gyroscope when the weapon is superelevated.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 10, 2015
    Applicant: General Dynamics Ordnance and Tactical Systems, Inc.
    Inventors: Jonathan Piazza, Theodore Bloomhardt, John Fletcher, III, Vladimir G. Krylov, Craig Pepper
  • Patent number: 9040885
    Abstract: The invention is a projectile, device and system having a roll control device which may be fixed or deployable, for providing torque counter to the spin of the projectile and providing drag on the projectile. The roll control device includes a guidance collar rotatably attached to the projectile located near a front end of the projectile wherein the guidance collar includes one or more guidance collar aero-surfaces shaped to provide torque counter to the spin on the projectile. The guidance collar aero-surfaces may be controlled by a brake and guidance electronics on the projectile. The invention also includes a body collar fixedly attached to the projectile aft of the guidance collar, wherein the body collar includes one or more body collar aero-surfaces and fixed or deployable drag devices. Another embodiment use only a guidance collar aero-surfaces to orient a fixed drag device relative to an Earth inertial reference frame to create asymmetrical drag on the projectile and thereby altering its trajectory.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: May 26, 2015
    Assignee: General Dynamics Ordnance and Tactical Systems, Inc.
    Inventors: Joseph P. Morris, Douglas L. Smith