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| Number | Title | Issue Date |
| 7056401 | Priming mixture for cartridge primers for small firearms A priming mixture comprises aluminium silicate as the sensitizer, advantageously in a percentage higher than 10%, not exceeding 30% and preferably included between 15% and 25%. Combined with said sensitizer, the-mixture may further comprises a potassium compound, pr... | 06/06/2006 |
| 6896752 | Method for producing compacted free-flowing raw materials for varnish A process for producing compacted free-flowing nitrocellulose based lacquer raw materials is described. The process involves pressing a nitrocellulose based lacquer feed material, which is moistened with alcohol or water, through the holes of a die. The pressing ste... | 05/24/2005 |
| 6786986 | Non-toxic composition for priming mixture for small caliber arms ammunition This disclosure considers the use of specifically-sized Nitrocellulose particles of 75 ml fineness, free of other chemicals, as a flame enhancer in a Diazodinitrophenol primer mixture that is free of heavy metal constituents. ... | 09/07/2004 |
| 6645325 | Fast-burning nitrocellulose compositions Explosive or propellant compositions containing at least one nitrocellulose contain an additive including at least one substituted tetrazine in amounts effective to increase the burning rate of the composition. A preferred additive is 3,6-dihydrazino-s-te... | 11/11/2003 |
| 6620269 | Autoignition for gas generators When a vehicle is involved in a fire, the airbag inflator is subjected to extreme temperatures, which may lead to the housing of the inflator rupturing. The use of autoignition material will minimize the risk of the housing rupturing during a fire by caus... | 09/16/2003 |
| 6607618 | Propellant compositions The present invention shows a munitions propellant. The propellant has a nitrocellulose component is about fifty-two percent (52.0%) of the propellant. This is either a nitrocellulose having twelve and six-tenths percent (12.6%) nitrogen, or a combination... | 08/19/2003 |
| 6398889 | Process and apparatus for inflating airbags and remediating toxic waste gases Molecular sieve zeolites are incorporated in the inflator device to assist in the inflation of airbags in passenger vehicles. The pre-loading of the molecular sieve zeolites with gases such as air or nitrogen or carbon dioxide provides for rapid airbag in... | 06/04/2002 |
| 6322648 | Pyrotechnic active mass with ignition and combustion accelerator A pyrotechnical object is made by compressing a pyrotechnical mass, and introducing into the mass an ignition and combustion accelerator in the form of a propellant powder. The propellant powder could be mixed with the mass prior to compression. Alternati... | 11/27/2001 |
| 6129023 | Process for providing gradual deployment of an airbag and a pyrotechnic charge for its implementation The invention relates to the field of protecting the occupants of a motor vehicle by an inflatable airbag. The invention relates to a process consisting in inflating an airbag (1) by a pyrotechnic generator (2) containing a double-composition charge (9) f... | 10/10/2000 |
| 6126763 | Minimum smoke propellant composition A high-performance minimum smoke propellant composition comprising an oxidizer and a lead salt which reduces the amount of smoke produced and enables the composition to sustain combustion at low pressure. The propellant is useful for various purposes, suc... | 10/03/2000 |
| 6066213 | Minimum smoke propellant composition A high-performance minimum smoke propellant composition comprising a high energy plasticizer blend and a lead salt which reduces the amount of smoke produced and enables the composition to sustain combustion at low pressure. The propellant is useful for v... | 05/23/2000 |
| 6053108 | Propellant strip assembly and propellant charge structure A caseless propellant charge structure and sensitizer structure for safe ignition and cleaner gas generation. The sensitizer structure is comprised of a sensitizer material which is encapsulated in a protective binder material. The protective binder layer... | 04/25/2000 |
| 6024810 | Castable double base solid rocket propellant containing ballistic modifier pasted in an inert polymer Castable propellant formulations are provided including reduced toxicity ballistic modifiers that do not adversely increase the sensitivity of the propellant to shock detonation. Failure to adequately control the propellant burn rate often results in unac... | 02/15/2000 |
| 5652409 | Bismuth and copper ballistic modifiers for double base propellants Double base propellants having a mixture of bismuth and copper salts of hydroxy-substituted benzoic acids added as burning rate (ballistic) modifiers.... | 07/29/1997 |
| 5610367 | Non-toxic rim-fire primer A lead-free rim-fire primer mix which utilizes cupric azide, a highly sensitive chemical, as the primary explosive in lieu of lead styphnate. The cupric azide is mixed with carefully selected proportions of nitrocellulose, tetracene, fine particles of gro... | 03/11/1997 |
| 5574240 | Propellants useful in electrothermal-chemical guns The present invention provides a propellant for electrothermal-chemical guns comprising a dispersion of one or more energetic solids in an energetic liquid phase. The energetic solid is preferably a nitramine such as cyclotrimethylenetrinitramine (RDX) an... | 11/12/1996 |
| 5552000 | Shaped explosive by recrystallization from a non-aqueous self-explosive emulson An explosive composition is derived from a non-aqueous emulsion of a solution of a self-explosive dispersed as the discontinuous phase (D-phase) throughout a continuous phase (C-phase) which is substantially immiscible with the D-phase. The emulsion is pr... | 09/03/1996 |
| 5482581 | Low vulnerability propellant plasticizers This invention record describes the production of a low vulnerability propellant (LOVA) ingredients utilizing mixtures of alkyl nitratoethyl nitramines (alkyl NENAs) and/or bis (2-nitroxyethyl) nitramine (DINA) with nitrocellulose. Described compositions ... | 01/09/1996 |
| 5466315 | Non-toxic primer for center-fire cartridges A non-toxic primer composition for center-fire cartridges which provides improved ballistic data and is void of metallic oxidizing compounds. It is comprised of a mixture of about 10-30% by weight of nitrocellulose and/or a double based propellant such as... | 11/14/1995 |
| 5385619 | Nitrocellulose propellant composition Nitrocellulose propellant compositions are provided comprising as ballistic modifier a copper II complex of a C6 -C12 chain aliphatic carboxylic acid, advantageously in conjunction with one or more conventional ballistic modifiers fo... | 01/31/1995 |
| 5254186 | Nitrocellulose propellant composition Nitrocellulose propellant compositions are provided comprising zinc oxide as ballistic modifier, advantageously in conjunction with one or more conventional ballistic modifiers for example, lead or copper compounds such as lead stearate, lead acetophthala... | 10/19/1993 |
| 5218166 | Modified nitrocellulose based propellant composition The present invention relates to modified propellant compositions of either single or multiple based type which are obtained by resolvating a conventional, previously solvated nitrocellulose-based granular propellant with a solvent such as methyl ethyl ke... | 06/08/1993 |
| 5205983 | Energetic plasticizer and improved gas producing charges An energetic plasticizer for double base propellants comprising (1) a mixe of sorbitol tetra-,penta-, and hexa-nitrate (MSN) and (2) a polyolpolynitrate selected from the group consisting of diethyleneglycoldinitrate (DEGDN), triethyleneglycoldinitrate (... | 04/27/1993 |
| 5192379 | Densifying and stabilizing ingredient Lead fluoride acts as a densifying and stabilizing ingredient for a propent.... | 03/09/1993 |
| 5174837 | Temperature-resistant, fragmentable propellent charges The present invention relates to the field of propellent charges for small and medium calibre arms. The invention relates to a process for the manufacture of fragmentable propellent charges, which consists in a first stage in coating powder particles with... | 12/29/1992 |
| 5034072 | 5-oxo-3-nitro-1,2,4-triazole in gunpowder and propellant compositions Use of 5-oxo-3-nitro-1,2,4-triazole in gunpowder and propellant compositions are disclosed. Such compositions include triple base gunpowders further containing nitrocellulose and a liquid nitric ester such as nitroglycerine. Lowered flame temperatures of ... | 07/23/1991 |
| 5026443 | Stabilized explosive and its production process A stabilized high energy explosive, e.g. hexogen (RDX), octogen (HMX) or the like, as a component of NC or plastic-bound propellant charge powders (Lova-TLP) or plastic-bound explosives (PBX) has a particle size up to 5 μm and a stabilizer incorporated i... | 06/25/1991 |
| 4844845 | Dry mixture for production of pre-formed propellant charge The invention is directed to a formable homogeneous propellant composition and to a process employing same for production of a self-supporting formed propellant charge. The propellant composition comprises a mixture of propellant grains and solvent-filled... | 07/04/1989 |
| 4842658 | Aging-resistant single-base powder, process for manufacture, and application to gas generators The present invention relates to nitrocellulose single-base propellent powders which exhibit good resistance to aging and to moisture. The powders according to the invention characteristically contain zinc carbonate whose particle size distribution is bet... | 06/27/1989 |
| 4826637 | Process for the manufacture of combustible articles by pressing combustible paper discs by means of a flexible punch The invention relates to the field of combustible ammunition and relates chiefly to the manufacture of bottoms or covers for combustible cases. According to the invention, a combustible article is manufactured by pressing in a die 10 at least one sheet 21 of c... | 05/02/1989 |
| 4767577 | Process and apparatus for producing plastic-bound propellant powders and explosives A process and apparatus for producing plastic-bound propellant powders and explosives in crystalline form, with the apparatus including an extruder comprising a casing with a feed opening, optionally a solvent supply opening and one or two extruder shafts... | 08/30/1988 |
| 4711679 | Hexakis (2-nitroxethyl) melamine useful as an energetic plasticizer Hexakis (2-nitroxyethyl) melamine which is useful as an energetic plasticr.... | 12/08/1987 |
| 4705655 | Process for the manufacture of combustible articles by embossing combustible paper and combustible articles thus produced Process for the manufacture of combustible articles by embossing combustible paper and combustible articles thus produced. The invention relates to a process for the manufacture of combustible dish-shaped articles of revolution with circular external outlines ... | 11/10/1987 |
| 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 |
| 4590019 | Processes for the production of free-flowing nitrocellulose Processes for the production of free-flowing, non-fibrous, alcohol-moistened nitrocellulose, characterized in that the water- or alcohol-moist nitrocellulose is softened with a solvent mixture of a nitrocellulose solvent and a lower aliphatic alcohol and ... | 05/20/1986 |
| 4568399 | Propellant compositions An azidonitrate energetic composition i.e. cellulose azidonitrate and a pess of making the same from nitrocellulose and sodium or lithium azide.... | 02/04/1986 |
| 4555276 | High density pressure resistant invert blasting emulsions A method of minimizing deep hole pressure effects on ammonium nitrate-containing blasting agents while optimizing booster sensitivity, detonation rate and detonation energy of such agents, by replacing density control component(s) with a sensitizer formul... | 11/26/1985 |
| 4547232 | Sensitization of water-in-oil emulsion explosives A high density emulsion blasting agent and method is provided for increasing volume energy and optimizing booster sensitivity of water-in-oil emulsion blasting agents without loss of desirable handling characteristics of invert emulsions by utilizing an e... | 10/15/1985 |
| 4537645 | Magnetically traceable explosives with stability and a method for the preparation thereof The invention provides a novel magnetically traceable or detectable explosive blended with a magnetic ferrite powder which facilitates the detection of the misfired explosive, e.g. dynamite, remaining in the field after blasting by a magnetic means but no... | 08/27/1985 |
| 4525313 | Process and apparatus for producing single- or multi-base propellants Single- or multi-base propellants are produced in a solvent process from ir starting components, of which at least one is moistened with alcohol, using a twin-shaft screw extruder, that has an inlet zone run at a raised temperature, then nextly a mixing ... | 06/25/1985 |
