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| Number | Title | Issue Date |
| 7114946 | Injection mold An injection mold includes a sliding member having a partial cavity surface which forms part of a cavity surface, and an adjacent member having a partial cavity surface which forms part of the cavity surface. A sliding surface of the sliding member is guided by a sl... | 10/03/2006 |
| 5696407 | Process for the production of spherulitic particles In the production of spherulitic nitroguanidine having a high bulk and tap ensity nitroguanidine is dissolved in dipolar, aprotic solvents, e.g. DMF, DMSO, NMP, etc., by heating to above the saturation temperature ts and the supersaturated solut... | 12/09/1997 |
| 5623168 | Reduction of the grain size of crystalline explosive Reduction of the grain size of crystalline explosive. A method and an apparatus for reducing the grain size of crystalline explosive provide for, first of all, dissolving the coarse crystalline explosive in an organic solvent. Subsequently, the dissolved explo... | 04/22/1997 |
| 5565710 | Process for manufacturing granular igniter There is provided a process for manufacturing a granular igniter, which facilitates control of the igniter preparation, handling of the granule igniter and improvement in manufacturized yield. The present invention also provides a process for manufacturin... | 10/15/1996 |
| 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 |
| 5092944 | High energy cast explosives based on dinitropropylacrylate A castable explosive composition of 80 to 87 percent cyclo-1,3,5,7-tetramylene-2,4,6,8-tetra nitramine (HMX) in dinitropropyl acrylate binder is obtained through careful choice of particle sizes. Up to 92% solids loading, without loss of castability, is ... | 03/03/1992 |
| 5076868 | High performance, low cost solid propellant compositions producing halogen free exhaust High performance solid propellant compositions producing halogen-free exhaust products comprised of Ammonium Nitrate and powdered magnesium and optionally containing polyoxypropylene glycol as a binder.... | 12/31/1991 |
| 5067996 | Plastic bonded explosives which exhibit mild cook-off and bullet impact insensitive properties Castable and elastomeric explosive compositions containing 82-85% HMX in ypropylene-polyethylene type polyurethane binder systems comprising at least 20% 3-5 μHMX and an endothermically pyrolyzable binder.... | 11/26/1991 |
| 5034073 | Insensitive high explosive An explosive composition having a combination of a principal explosive, which is relatively insensitive to initiation of detonation, two mesh fractions of a sensitizing explosive which is relatively sensitive to initiation of detonation, a critical diamet... | 07/23/1991 |
| 5030763 | Preparation of ethylenediamine dinitrate with useful particle size A method of making ethylenediamine dinitrate comprising: (a) reacting ethylenediamine with aqueous nitric acid to form ethylenediamine dinitrate solution; and (b) adding said ethylenediamine dinitrate solution to a non-aqueous liquid, miscible with water in am... | 07/09/1991 |
| 4693764 | Control of processibility by particle size in high energy solid propellants A solid propellant which utilizes a high solids loading of blended HMX (8%) by combining unground and ground HMX particles to achieve desired processing control.... | 09/15/1987 |
| 4689097 | Co-oxidizers in solid crosslinked double base propellants (U) Use of mixtures of certain solid oxidizers in minimum smoke crosslinked propellants dramatically enhances burn rates.... | 08/25/1987 |
| 4681643 | Fast burning propellants A solid or semisolid propellant comprising grains of propellant or propellant components bonded together so as to create voids within the propellant volume, said grains bonded together with sufficient strength to substantially delay the fluidization of th... | 07/21/1987 |
| 4664729 | Water-in-oil explosive emulsion composition Provided is a water-in-oil explosive emulsion composition having a 1/2 cartridge gap sensitivity of at least about three inches, yet a water content of at least about 10 percent by weight. The composition comprises an emulsion matrix of a hydrocarbon or c... | 05/12/1987 |
| 4632715 | Low burn rate motor propellant A low burn rate motor propellant containing hydroxyl terminated polybutade, HMX and hexanedioldimerate polymer.... | 12/30/1986 |
| 4605453 | Firing cap composition containing lead styphnate A conducting composition suitable for use in a firing cap is disclosed. The conducting composition comprises normal lead styphnate which has a mean particle size not less than 55 microns, in admixture with carbon black which has a mean aggregate size betw... | 08/12/1986 |
| 4564405 | PYX Purification technique The formation of two crystalline forms of 2,6-bis (picrylamino)-3,5 dinitropyridine is accomplished by a purification method wherein needle-shaped crystals of 2,6-bis (picrylamino)-3,5 dinitropyridine are dissolved in dimethyl sulfoxide to form an adduct ... | 01/14/1986 |
| 4539430 | Preparation of ethylenediamine dinitrate Method for the preparation of ethylenediamine dinitrate. Ethylenediamine dinitrate, a useful explosive, may readily be prepared by solvent extraction of nitrate ion from an acidic aqueous solution thereof using a high-molecular-weight, water-insoluble ami... | 09/03/1985 |
| 4519855 | Mixed charges for ammunitions with a casing constituted by agglomerated propellant powder and propellant powder in grain form The present invention falls in the field of propellant charges for ballistic ammunitions which have combustible or a non-combustible casing. According to the invention, the ammunition is constituted by a casing 2 placed around a shell 1 and closed by a po... | 05/28/1985 |
| 4456493 | Low vulnerability gun propellant A prepolymer for use in preparing a binder for low vulnerability gun propellants. The condensation of an alkynediol and formaldehyde produces a prepolymer which is cured with a polyisocyanate. The resulting binder can be combined with 1,3,5,7-tetramethyle... | 06/26/1984 |
| 4389263 | Bonding agent for nitramines in rocket propellants Water-soluble protein is coated onto particles of nitramines by making a rry of nitramine powder in a water solution of the protein and removing the water by evaporation or by filtration after previously precipitating the protein by addition of ethanol. ... | 06/21/1983 |
| 4298552 | Solventless extrusion of double base propellant prepared by a slurry process Small charges of high energy double base propellants are prepared by solventless extrusion of propellant billets prepared by a slurry type process.... | 11/03/1981 |
| 4255358 | Process for the production of hexanitrostilbene A process for the production of 2, 2', 4, 4', 6, 6'-hexanitrostilbene, which gives a readily isolable product and in which solvent recovery is relatively straightforward, is described. An alkali or alkaline earth hypochlorite was reacted with 2, 4, 6-trin... | 03/10/1981 |
| 4239073 | Propellants in caseless ammunition The compositions use oxidizers of HMX, RDX, ammonium nitrate, ammonium picrate and ammonium bitetrazole, and binders of lauryl methacrylate, glycidyl methacrylate, hydroxyethyl methacrylate, vinylene carbonate, polyformaldehyde mixtures were vinylene carb... | 12/16/1980 |
| 4221616 | Hydrophobic explosive composition and method of making A slurry explosive composition comprising at least one inorganic oxidizing salt, an aqueous liquid phase, fuel material and a sensitizing agent which agent comprises a combination of hydrophobic particles of high explosive material and gas bubbles.... | 09/09/1980 |
| 4180424 | Control of burning rate and burning rate exponent by particle size in gun propellants Composite gun propellants are prepared wherein the burning rate and burning ate exponent are controlled by proper choice of particle size. This invention permits the formulation of practical, high impetus, composite gun propellants, tailored specifically t... | 12/25/1979 |
| 4170178 | Detonator containing octogen crystals for projectiles and method of manufacturing the same A detonator containing octogen crystals for projectiles for initiating detonation or for the transmission of a detonation, wherein the octogen crystals possess a size greater than 75 microns and smaller than 150 microns, the relationship between the lengt... | 10/09/1979 |
| 4148674 | Ternary explosive compositions Ternary explosive compositions of the "hexolite" type are described in which a part of the hexogen is replaced by dinitroglycoluril. The modified hexolites obtained have enhanced shattering properties and are less expensive than conventional hexolites con... | 04/10/1979 |
| 4132574 | Superfine PETN thin layer slurry explosive A cap-sensitive slurry explosive capable of propagating a high order detonation in thin layers and which has a high degree of safety for a cap-sensitive explosive. The slurry consists of a super-fine grained explosive, suspended in an energetic, but non-s... | 01/02/1979 |
| 4092188 | Nitramine propellants Nitramine propellants absent a pressure exponent shift in the burning rate curves are prepared by matching the burning rate of a selected nitramine or combination of nitramines within 10% of burning rate of a plasticized active binder so as to smooth out ... | 05/30/1978 |
| 3962382 | Process for forming a pourable plastisol nitrocellulose slurry High shear treatment of a slurry of explosive particles breaks up agglomees of the explosive particle, forms a stable slurry of fine explosive particles, and tests the slurry for water content.... | 06/08/1976 |
| 3959042 | High impetus, low flame temperature, composite propellants and method of making High impetus, low flame temperature propellants are produced by the incoration of a polynitramine into a saturated polymer of a lower hydrocarbon.... | 05/25/1976 |
