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| Number | Title | Issue Date |
| 7240618 | Explosive device with accelerated bioremediation capacity Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with a carrier containing microorganisms and with nutrient for the microorganisms. An explosive mixture capable of self rem... | 07/10/2007 |
| 7051658 | Temperature-independent propellant powder The proposed propellant powder exhibits a temperature-independent burning behavior and high ballistic stability. The production process starts with a perforated bulk powder grain, which is processed inside a mixing apparatus with a solid material, a plug-stabilizing... | 05/30/2006 |
| 6647888 | Oxidizer package for propellant system for rockets An oxidizer package for a propellant system for a motor in which the oxidizer is separated from fuel grain, the oxidizer package comprising oxidizer material and an ignition system therefor in a wrapping or sealing material. A hybrid rocket comprising oxi... | 11/18/2003 |
| 6527886 | Gas generant for air bag A gas-generant-molded-article for air bags which is prepared by molding a gas generant composition into a cylindrical form containing an opening hole, wherein the relationship between the linear burning velocity r (mm/second) of said gas generant composit... | 03/04/2003 |
| 6378436 | Portable propellant cutting assembly, and method of cutting propellant with assembly A propellant cutting assembly and method of using the assembly to cut samples of solid propellant in a repeatable and consistent manner is disclosed. The cutting assembly utilizes two parallel extension beams which are shorter than the diameter of a centr... | 04/30/2002 |
| 6352029 | Thermally actuated release mechanism This invention relates to explosive charges in which the chemical and physical composition changes gradually from point to point in order to accomplish differing, specific design objectives. More specifically, the invention relates to an explosive compris... | 03/05/2002 |
| 6167810 | Propelling material formed in strips for use in large caliber guns The invention provides an improved propellant system for firing projectiles in large caliber guns. Strips of energetic propellant are placed in the cartridge case so that the lengths of the strips are parallel to the length of the cartridge. Preferably, t... | 01/02/2001 |
| 6110307 | Compacting process and compacting means and device suitable for the compacting of materials with a pyrophoric tendency The present invention relates to a compacting process suitable particularly for the compacting of materials with a pyrophoric tendency and especially for the compacting of scrap metal generated in the nuclear industry: and compacting means (4), and a comp... | 08/29/2000 |
| 5996501 | Blast and fragmentation enhancing explosive A dual explosive charge is described that simultaneously enhances blast and fragmentation characteristics of the charge, including an inner driven charge of a non-ideal explosive surrounded by an outer charge sleeve of a more nearly ideal explosive, deton... | 12/07/1999 |
| 5925846 | Method for the production of an ammonium nitrate fuel oil blasting composition having improved water resistance A method of increasing the water resistance of a blasting explosive comprising an organic carbonaceous fuel, an inorganic oxidizing salt having a particular particle size distribution and a gelling agent comprising the step of adding to the blasting explo... | 07/20/1999 |
| 5892172 | Propellant system An improved geometric propellant loading configuration for high velocity, large or medium caliber projectile ammunition is disclosed. The propellant system includes several mutually contiguous extrudable stick shapes that in concert result in highly effic... | 04/06/1999 |
| 5668345 | Airbag inflators employing coated porous substrates A hybrid inflator has porous substrate coated with a heat-producing, essentially non gas-producing composition for heating pressurized inflation gases in the inflator.... | 09/16/1997 |
| 5650589 | Cartridge ammunition having a case and an arrow projectile A cartridge ammunition includes a case having a case bottom; a propellant disposed in the case; a propellant igniter mounted centrally on the case bottom; an arrow projectile having a rear length portion extending into the case towards the case bottom; an... | 07/22/1997 |
| 5635666 | Flare mass for a dummy target for producing a selected spectrum A flare mass for dummy target production has an incendiary composition component and an inert component, the weight ratio of the incendiary mass component and the inert component being adjusted such that the maximum of the spectral radiant flux of the fla... | 06/03/1997 |
| 5610365 | Cartridge ammunition having a case, an arrow projectile and an igniter-coated propellant A cartridge ammunition includes a case having a case bottom; a propellant powder disposed in the case, a propellant igniter mounted centrally on the case bottom; and an arrow projectile having a rear length portion extending into the case towards the case... | 03/11/1997 |
| 5602360 | Electronic delay igniter and electric detonator An electronic delay igniter including a firing capacitor (102) for storing energy required for firing by applying a voltage from an external power supply, an electronic timer unit (206) provided with a solid state oscillator driven by the energy stored in... | 02/11/1997 |
| 5597973 | Signal transmission fuse A signal transmission fuse (10, 20) such as shock tube has an outside diameter (OD) not greater than about 2.380 mm (0.0937 inch), for example, a tube outside diameter (OD) of from about 0.397 to 2.380 mm (about 0.0156 to 0.0937 inch), and the ratio of th... | 01/28/1997 |
| 5551343 | Special geometry generant bodies for automotive gas bag inflator A gas generant body having a plurality of alike, flat-surfaced projections equally spaced and radially equidistant about the periphery of one or both sides of the body. The spaced projections are defined by curved or arcuate walls emanating from the cente... | 09/03/1996 |
| 5501152 | Air bag gas generator with spontaneous ignition agent A spontaneous ignition agent for an air bag gas generator with excellent temperature resistance comprises essentially nitrocellulose, an inorganic oxidizing agent, and carbon.... | 03/26/1996 |
| 5447104 | Metal-containing, press-formed explosive bodies A galvanically conductive explosive is formed by the admixture of a small proportion of precious metal-containing platelets to a binder. The resulting blend is combined with explosive granules to form a homogeneous mixture which, after press-forming, prod... | 09/05/1995 |
| 5388519 | Low toxicity primer composition A low toxicity primer composition is provided incorporating a heavy-metal free primer explosive sensitizer, metallic fuel and an oxidizer selected from an oxidizer selected from the group consisting of cesium nitrate, strontium sulfate, strontium oxalate,... | 02/14/1995 |
| 5372070 | Burn rate modification of solid propellants with bismuth trioxide Propellant formulations are provided which include non-toxic burn rate modifiers. In order to produce a usable propellant formulation, it is necessary to control the burn rate of the propellant. Failure to adequately control the propellant burn rate often... | 12/13/1994 |
| 5333550 | Tin alloy sheath material for explosive-pyrotechnic linear products A binary, ternary and/or quaternary tin alloy composition that may be used as outer sheath material in various explosive-pyrotechnic linear products, such as ignition cord, mild detonating cord (MDC) and linear shaped charge (LSC).... | 08/02/1994 |
| 5325782 | Insensitive gun propellant A gun propellant having reduced sensitivity to impact and improved burning ate, comprising crystallized NNHT particles admixed with a binder and at least one plasticizer. In a preferred embodiment, the binder is a nitrocellulose binder and the plasticizer ... | 07/05/1994 |
| 5320043 | Low-vulnerability explosive munitions element including a multicomposition explosive charge, and method for obtaining a blast and/or bubble effect The invention relates to a low-vulnerability explosive munitions element comprising a casing containing a multicomposition explosive charge, the innermost layer of which is a composite explosive comprising a filled polyurethane or polyester polymer matrix... | 06/14/1994 |
| 5269224 | Caseless utilized ammunition charge module A unitary propellant charge module for use in separate ammunition comprises a combustible container having a generally hollow cylindrical shape, a generally cylindrical charge body of interconnected compacted spheroidal propellant grains disposed within t... | 12/14/1993 |
| 5189247 | Low-vulnerability explosive munitions element including a multi-composition explosive charge, and method for obtaining a blast and/or bubble effect The invention relates to a low-vulnerability explosive munitions element comprising a casing containing a multicomposition explosive charge, the innermost layer of which is a composite explosive comprising a filled polyurethane or polyester polymer matrix... | 02/23/1993 |
| 5189249 | Gel propellant ammunition An insensitive gel propellant composition based on a fine-particle detonating high explosive which contains from about 10 to 15 wt. % water, and which will not ignite until subjected to a temperature of about 900 psi.... | 02/23/1993 |
| 5114630 | Continuous manufacture and casting Fluid products, particularly highly filled materials, are manufactured and cast in a continuous system utilizing feedforward composition quality control and plug flow. Liquid and solid raw are supplied to, and combined in, a continuous fluid flow system i... | 05/19/1992 |
| 5081930 | Gun propellant containing ammonium azide and an inert casing A gun propellant comprises ammonium azide in finely divided form and at least one conventional propellant and/or explosive composition. The ammonium azide is free of any heavy metals capable of reacting with the ammonium azide to form metallic azides. The... | 01/21/1992 |
| 5074938 | Low pressure exponent propellants containing boron Propellant grain consisting essentially of: A. from about 50% to about 75% by weight of an oxidizer consisting essentially of ammonium nitrate; B. from about 1% to about 20% by weight of a cured polymeric binder; C. from 0% to about 30% by weight of a nitrate ester... | 12/24/1991 |
| 4949095 | Fused silica radome A new and improved fused silica radome is discussed. The radome has a density equal to or greater than 95 percent of theoretical density, an average bend strength equal to or greater than 10 Kpsi, a thermal expansion of about 0.3×10-6 ° C., a... | 08/14/1990 |
| 4920079 | Process for isostatically pressing explosive charges A water-filled pressure chamber (7) loaded by conventional pumps at pressures of several thousand bars is used to isostatically press explosive charges. Inside this pressure chamber (7) is a compression mold (6) having an inner/outer mold (1) consisting o... | 04/24/1990 |
| 4911077 | Method for producing propellant charges and charges produced according to this method The disclosure relates to a method of producing charges for cannons with extremely high charge density and favorable burning properties from the standpoints of both wear and pressure vs time characteristics. According to the invention, the charge is forme... | 03/27/1990 |
| 4902346 | Filler for disintegrating projectile A filler for disintegrating projectiles for training ammunition composed essentially of a screened low carbon, unalloyed steel powder produced by atomizing a corresponding steel melt to form a steel powder, subsequently subjecting the powder to a reducing... | 02/20/1990 |
| 4876962 | Propellant charge for cannons and a method of producing such a charge The disclosure relates to a propellant charge for cannons comprising bundles (11) of tightly held tubular propellant sticks which are provided with connections between the propellant sticks' outer surfaces and their combustion channels, these connections ... | 10/31/1989 |
| 4758287 | Porous propellant grain and method of making same A process for preparing a porous propellant grain which comprises blending at least two combustible materials to form a homogeneous mixture, adding a predetermined amount of a liquid dispersant to said mixture to form a slurry, and flash drying the slurry... | 07/19/1988 |
| 4736683 | Dry ammonium nitrate blasting agents The invention relates generally to explosives, and more particularly to dry ammonium nitrate-fuel oil based explosives, containing a high molecular weight polymer characterized by a high stringiness factor.... | 04/12/1988 |
| 4729317 | Concentric layer ramjet fuel An air-breathing solid fuel rocket motor containing a solid fuel ramjet gn having a plurality of concentric layers of solid fuel which provide a means of controlling the thrust of the motor.... | 03/08/1988 |
| 4722814 | Propellent charge and method of making the charge by crushing parts with holes A propellent charge for cartridge ammunition of propellent powder bodies of a certain geometric form is produced by filling the propellent powder bodies preferably in partial amounts and by means of a suitable funnel into the propellent case and compressi... | 02/02/1988 |
