Patents Assigned to Alliant Techsystems Inc.
  • Publication number: 20140260185
    Abstract: A precursor formulation of an energetic composition with improved electrostatic charge dissipation, including an amorphous carbon black having a specific surface area of at least about 1,200 m2/g, in an amount from about 0.05% by weight to about 0.25% by weight. Also disclosed is a precursor formulation of a propellant composition with improved electrostatic charge dissipation. The amorphous carbon black having a specific surface area of at least about 1,200 m2/g may enhance the electrostatic charge dissipation of the HTPB-based propellant composition, without affecting the breakdown voltage of the propellant composition.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventor: Alliant Techsystems Inc.
  • Publication number: 20140271001
    Abstract: A guard assembly for a tool is provided. The guard assembly has a body with a first open end, a second open end and a mid portion between the first open end and the second open end. The body forms an inner passage between the first open end and the second open end. The passage is configured to receive a portion of a tool. The body has a plurality of spaced slots. Each slot extends from the first open end a select distance to the mid portion of the body. The body has a port and a plurality of openings proximate the second open end to allow air or fluid passage.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Jacob L. Nelson, Steven M. Garner
  • Publication number: 20140263480
    Abstract: An application tip and method for dispensing sealant into a countersunk hole, the tip having a hollow housing or body with an open end and a closed end; open end configured to be removably attached to and in fluid communication with a sealant source; closed end including a nozzle terminating in cylindrical member having a plurality of passages or fluid outlet openings.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 18, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Jacob L. Nelson, Mark A. Sikkink
  • Publication number: 20140263830
    Abstract: A system and method for launching a launch vehicle in the presence of lightning. A processor detects potential sources of lightning and maneuvers one or more charge mitigation vehicles to locations proximate to the potential source of lightning such that at least one charge mitigation vehicle remains a better path to ground than the launch vehicle being launched at any given time during the launch.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: Alliant Techsystems Inc.
    Inventor: John S. Canham
  • Publication number: 20140254109
    Abstract: An electronics package comprising a plurality of mutually parallel, vertically spaced circuit boards of generally circular configuration and electrically connected by a flex circuit comprising a trunk extending circumferentially around the circuit boards and having a branch extending to each circuit board. An electronics package precursor structure and a method of configuring the electronics package from the precursor structure is also disclosed.
    Type: Application
    Filed: March 6, 2013
    Publication date: September 11, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: James D. Lucas, Christopher A. McKellips
  • Publication number: 20140255635
    Abstract: Insulation materials have a coating of a partially cured polymer on a plurality of fibers, and the plurality of coated fibers in a cross-linked polymeric matrix. Insulation may be formed by applying a preceramic polymer to a plurality of fibers, heating the preceramic polymer to form a partially cured polymer over at least portions of the plurality of fibers, disposing the plurality of fibers in a polymeric material, and curing the polymeric material. A rocket motor may be formed by disposing a plurality of coated fibers in an insulation precursor, curing the insulation precursor to form an insulation material without sintering the partially cured polymer, and providing an energetic material over the polymeric material. An article includes an insulation material over at least one surface.
    Type: Application
    Filed: March 6, 2013
    Publication date: September 11, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Richard E. Morgan, Craig L. Meeks
  • Publication number: 20140253409
    Abstract: Composite material, devices incorporating the composite material and methods of forming the composite material are provided. The composite material includes interstitial material that has at least one of a select relative permittivity property value and a select relative permeability property value. The composite material further includes inclusion material within the interstitial material. The inclusion material has at least one of a select relative permeability property value and a select relative permittivity property value. The select relative permeability and permittivity property values of the interstitial and the inclusion materials are selected so that the effective intrinsic impedance of the interstitial and the inclusion material match the intrinsic impedance of air. Devices made from the composite include metamaterial and/or metamaterial-inspired (e.g. near-field LC-type parasitic) substrates and/or lenses, front-end protection, stealth absorbers, filters and mixers.
    Type: Application
    Filed: March 28, 2014
    Publication date: September 11, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Christopher C. Fuller, John R. Lamberg, Michael J. Gawronski
  • Patent number: 8826462
    Abstract: A releasable vest having a front panel; front shoulder strap elements that include at least one front shoulder strap attachment opening; a back panel; a first waist belt element that extends from the front panel and has at least one waist belt element attachment opening formed through the waist belt element; a second waist belt element that extends from the front panel and has at least one release loop attached thereto, wherein the at least one release loop is capable of being passed through the waist belt attachment opening of the first waist belt element and the at least one front shoulder strap attachment opening of the front shoulder strap elements; and a release lanyard that is capable of being passed through the release loop so as to releasably secure the first waist belt element and the at least one shoulder strap element to the release loop.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: September 9, 2014
    Assignee: Alliant Techsystems Inc.
    Inventors: Frederick W. Storms, Jr., Eric M. Yeates, Thomas A. Marx, Marty Goldman
  • Publication number: 20140240887
    Abstract: A charge neutralization system is provided. The charge neutralization system includes a reservoir, a plasma generator and a flow restricting transfer line. The reservoir is configured to hold matter to be ionized under pressure. The plasma generator is configured and arranged to create a neutral energy plasma on a vehicle from the matter to be ionized. The flow restricting transfer line provides a fluid communication between the reservoir and the plasma generator.
    Type: Application
    Filed: February 26, 2013
    Publication date: August 28, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventor: John S. Canham
  • Publication number: 20140230684
    Abstract: Charged projectile assemblies include a housing and an electronic assembly configured to produce an electric field about at least a portion of the housing of the projectile. Cartridge assemblies for use with firearms include charged projectiles. Methods of charging a projectile include forming an electric field about at least a portion of a projectile and extending the electric field at least partially between a forward portion of the projectile and an aft portion of the projectile.
    Type: Application
    Filed: March 7, 2013
    Publication date: August 21, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventor: Alliant Techsystems Inc.
  • Patent number: 8806747
    Abstract: Methods and apparatus of an improved cooling structure having cooling passages are provided. A method includes forming pilot holes with an electrical discharge machine (EDM) drill near a heated flow surface. The pilot holes are then shaped with a wire EDM into cooling passages having a desired shape.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: August 19, 2014
    Assignee: Alliant Techsystems Inc.
    Inventors: Daniel P. Guinan, James B. Philpott, Henry K. Webster, Christopher Gettinger
  • Publication number: 20140216204
    Abstract: A dome connector for a flywheel rim to shaft attachment is provided. The dome connector includes a helically wound composite band that extends from a first port to a second port. The helically wound composite band has a helical angle in relation to a line perpendicular to a center of axis of the dome connector. The helical angle is selected to at least in part achieve a desired stiffness in the dome connector.
    Type: Application
    Filed: February 7, 2013
    Publication date: August 7, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Brian R. Christensen, Marcus A. Darais
  • Publication number: 20140209645
    Abstract: A holster having a cavity and an axis defined along a side wall of the holster; a lever having a finger button portion and an engagement portion, wherein the lever is pivotally attached atop the side wall of the holster, along the axis, approximately between the finger button portion and the engagement portion, such that the finger button portion extends from the axis and is positioned above the frame/slide portion of the cavity and the engagement portion extends from the axis and is positioned above the trigger guard portion of the cavity; a hollow formed within a portion of the side wall; and a lockout lever rotatably secured within at least a portion of the hollow, and wherein a locking portion of the lockout lever is positioned beneath the finger button portion of the lever when the lockout lever is in a locked position.
    Type: Application
    Filed: March 30, 2014
    Publication date: July 31, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Thomas M. Gregory, Robert A. Kincaid, Clifton L. Cook, Eric M. Yeates, Thomas A. Marx
  • Patent number: 8789797
    Abstract: Payload adapters for launch vehicles include a ring structure having an opening formed therein and at least a portion of an antenna assembly coupled to a circular sidewall of the ring structure at least partially within the opening of the ring structure. Satellite assemblies may include a payload adapter comprising a ring structure having a circular opening formed therein and an antenna assembly including a parabolic reflective dish formed within the circular opening. Launch stack systems may include a primary payload and a secondary payload adapter including an antenna dish integrally formed with a ring structure of the secondary payload adapter. Methods of forming a satellite assembly include positioning at least a portion of the antenna assembly within an opening formed in a ring-shaped payload adapter for a launch vehicle and coupling the at least a portion of the antenna assembly to the ring-shaped payload adapter.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: July 29, 2014
    Assignee: Alliant Techsystems Inc.
    Inventor: Dilip K. Darooka
  • Patent number: 8783532
    Abstract: An accessory attachment platform, including a platform body having an accessory portion, wherein the accessory portion includes an accessory disk opening; an attachment plate portion coupled to an accessory plate portion, through the accessory disk opening, such that the attachment plate portion and the accessory plate portion are rotatable relative to the platform body; and a release lever pivotably attached to the platform body, wherein the release lever is pivotable between a locking position and an unlocking position, and wherein the release lever is capable of releasably interacting with a primary notch of the attachment plate portion such that when the release lever is in the locking position relative to the primary notch of the attachment plate portion, the attachment plate portion is unable to rotate relative to the platform body.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: July 22, 2014
    Assignee: Alliant Techsystems Inc.
    Inventors: Thomas M. Gregory, Robert A. Kincaid, Clifton L. Cook, Eric M. Yeates
  • Patent number: 8783152
    Abstract: A two piece, two-stage, reduced-energy mechanically operating cartridge is provided for launching, a configured bullet choice of various compositions from a dedicated or modified firearm. The cartridge unit is comprised of a primary case having a cavity to receive a propellant unit or propellant connection and a piston sleeve having a cavity to receive the configured bullet choice, the primary case coupled to the piston sleeve. The cartridge having a retracted pre-firing state and an expanded fired state whereby the piston sleeve and primary case telescope apart forcing, the firearm's slide or bolt to the rear, a mechanical operation opposed to a conventional cartridge with gas blow back operations.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: July 22, 2014
    Assignee: Alliant Techsystems Inc.
    Inventor: Rick Huffman
  • Patent number: 8778103
    Abstract: Methods of forming energetic compositions include forming a premix comprising a nitrate ester, a polymer, and a stabilizer, and combining solids with the premix. Additional stabilizer may be added with the solids and may remain in a crystalline state. Some methods include dissolving a stabilizer in at least one of a plurality of nitrate esters. Energetic compositions include a continuous matrix and a stabilizer. The continuous matrix includes a nitrate ester and surrounds a solid energetic material. Some compositions include a first nitrate ester, a second nitrate ester having a decomposition rate lower than the first nitrate ester, and a stabilizer. An article includes a housing and an energetic composition in the housing.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: July 15, 2014
    Assignee: Alliant Techsystems Inc.
    Inventors: John R. Moser, Jr., Richard L. Raun, David D. Shaw
  • Publication number: 20140190629
    Abstract: An induction heating compaction system is provided. The system includes an induction heating member and a compaction member. The induction heating member is configured to generate an electromagnetic field at a select frequency. The select frequency causes at least one of the fibers and matrix in pre-preg material to heat up. The compaction member has at least a portion that is made from a material that is transparent to the select frequency of the electromagnetic field generated by the induction heating member. The compaction member includes a cooling assembly that is configured and arranged to extract heat from the pre-preg material while compacting the pre-preg material.
    Type: Application
    Filed: January 4, 2013
    Publication date: July 10, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventor: Alliant Techsystems Inc.
  • Publication number: 20140190364
    Abstract: A projectile assembly comprises a base portion for receiving projectiles such as slugs and has an associated pusher plate at a rear end thereof for minimizing or controlling deformation of the rear end of the base portion during firing. The pusher plate has a disc with one or more axially extending projections that extend axially into the rearward end of the base portion thereby reinforcing the base portion and upon firing providing uniform axial deformation and/or obturation of the base portion with respect to a firearm barrel. The projectile assembly may be, for example, part of a shotgun shell slug cartridge, and provides enhanced accuracy over the prior art.
    Type: Application
    Filed: January 10, 2013
    Publication date: July 10, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: Bryan P. Peterson, Erik K. Carlson, Adam J. Moser, Lawrence P. Head
  • Publication number: 20140182474
    Abstract: A fragmentation body comprising a substantially monolithic structure comprising a metal material and comprising a major surface having an indentation pattern therein, and an opposing major surface having an opposing indentation pattern therein, the opposing indentation pattern being substantially aligned with the indentation pattern. A warhead and an article of ordnance are also described.
    Type: Application
    Filed: July 17, 2012
    Publication date: July 3, 2014
    Applicant: ALLIANT TECHSYSTEMS INC.
    Inventors: James D. Dunaway, John E. Bott