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6939389 |
Method and apparatus for manufacturing fine powders
The manufacture of pure, fine spherical powders has always been a problem for many materials, particularly for high-melting and highly reactive materials such as titanium, tantalum, vanadium and...
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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...
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6692655 |
Method of making multi-base propellants from pelletized nitrocellulose
In this method for making multi-base propellants, pelletized nitrocellulose is coated with an electrostatically insensitive liquid elastomer precursor or non-plasticizer while wetted in a...
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6610157 |
Prilled energetic particles, and process for making the same
A process for producing prills containing an energetic material other than ammonium dinitramide (ADN) or ammonium nitrate (AN), is performed in a prilling column having at least one heated zone and...
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6547993 |
Process for making polytetrafluoroethylene-aluminum composite and product made
A process for making a Teflon/aluminum composite includes providing Teflon powder and aluminum powder wherein a size of Teflon particles is about 7 to 12 times a size of aluminum particles; mixing...
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6464019 |
Perforating charge case
A perforating charge case is made by a process that includes cold forming a material into a shape for the perforating charge case. The cold forming produces additional recrystallization nucleation...
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6428724 |
Granulation process
A process for forming granules (e.g., alpha-HMX containing granules) from at least one particulate material comprises the steps of: (a) selecting particulates (e.g., alpha-HMX particulates) having...
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6416600 |
Process for the production of an exothermically reacting composition
A process for the production of an exothermically reacting composition, such as a propellant or explosive, containing at least one normally solid reactive constituent comprises the steps of: ...
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6361719 |
Method for manufacturing of black powder and black powder substitute
Processes are disclosed for making black powder and black powder substitutes without requiring binder-effective amounts of a binder and lacquers.
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6319341 |
Process for preparing a gas generating composition
A process for preparing a gas generating composition (62) for a vehicle occupant protection apparatus (110) comprises the following steps. Desired quantities of ingredients of the gas generating...
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6261082 |
Self-aligning manual die set for pressing explosive powder into pellets
A manual die set for pressing explosive powder into pellets includes a ram, the ram having a head, a large diameter portion, a tapered portion, a small diameter portion and a pressing portion; a...
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6238501 |
TNAZ compositions and articles, processes of preparation, TNAZ solutions and uses thereof
The invention is a composition containing high loadings of TNAZ that are made by crash precipitation with water as the precipitation agent. The compositions are in the form of powders, which can be...
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6171530 |
Process for the manufacture of high performance gun propellants
A process for manufacturing a high performance gun propellant containing an energetic thermoplastic elastomeric binder and a high-energy oxidizer is disclosed. The process includes preparing or...
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6136115 |
Thermally-stabilized prilled ammonium dinitramide particles, and process for making the same
A process is disclosed for producing prills comprised of ammonium dinitramide The prills can include, if desired, one or more thermal stabilizers, and processing aid(s). Solid particulate ADN is...
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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...
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6030473 |
Method for manufacturing a granular material for producing ignition nuclei in propellants and fuels
Surface reactors for propellants operate with a copper/tin alloy and convert unsaturated hydrocarbons at low concentration into tin organics that are extremely highly ignitable and therefore act as...
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5993578 |
Method of drying pyrotechnic compositions
Disclosed is an improved method of drying a slurry of adhesive particles and counter-solvent such as a slurry of pyrotechnic particles and counter-solvent produced by the precipitation method,...
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5939661 |
Method of manufacturing an explosive carrier material, and articles containing the same
An explosive particle-containing carrier material (24b) and a fully jacketed finished explosive material (33, 33') containing it, e.g., detonating cord, are produced in a high-speed continuous...
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H001778 |
Method of producing high bulk density spheroidal nitroguanidine
A process for producing high bulk density spheroidal nitroguanidine by fong a solution of from 2 to 9 weight percent of nitroguanidine, 0.5 to 2.0 weight percent of methylcellulose, and 0.5 to 2.0...
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5859090 |
Injection-modulable, polycaprolactone-based, biodegradable plastic articles such as shotshell components, and method of manufacturing same
Nontoxic, biodegradable injection-molded, plastic shotshell components, and method of manufacturing same, the components having a fused degradation composition comprising as its active ingredients...
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5837924 |
Signal transmission tube using reclaim material and method of manufacture
The manufacture of a signal transmission tube (10a) comprising a polymeric tube (12) having an interior surface (14) with a thin layer of reactive material (18) disposed on the interior surface...
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5831339 |
Continuous process for solvent-free manufacture of heat-curable composite pyrotechnic products
The present invention relates to the field of the continuous manufacture of composite pyrotechnic products. A heat-curable liquid binder (3) is mixed with a thickening filler (4) in a mixer (1) so...
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5783773 |
Low-residue azide-free gas generant composition
Gas generant compositions without highly toxic azides are provided which, upon combustion, are converted into gaseous products with only small amounts of solid combustion products thereby...
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5750057 |
Insensitive binary explosive production process
The present invention provides a multi-component explosive composition coising 2-ethylhexyl nitrate and a granular solid oxidizer. An optional additional component is a second fuel, e.g., aluminum....
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5716565 |
Process for making ultra-fine stabilized zirconia particles
A process for producing ultra-fine particles of calcia-stabilized zirconia in which a precursor mixture (which contains from about 80 to about 96 mole percent of zirconium ion, from about 20 to...
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5712511 |
Preparation of fine particulate CL-20
A high energy shock-insensitive explosive composition for use in deformable warheads. This high energy shock-insensitive explosive composition is comprised of a shock-insensitive explosive and...
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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...
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5682004 |
Apparatus for 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...
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5670098 |
Black powder processing on twin-screw extruder
A continuous process of manufacturing black powder and black powder substitute using a twin screw extruder is disclosed. Guar gum mixed with the composition at a concentration in the range from...
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5660774 |
Process for making a sintered body from ultra-fine superconductive particles
A process for producing a sintered body from untra-fine superconductive particles. In the first step of this process, a ceramic precursor material containing yttrium, barium and copper cations, a...
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5660773 |
Process for making ultra-fine yttrium-iron-garnet particles
A process for producing ultra-fine yttrium-iron-garnet particles. In the first step of this process, a ceramic precursor material containing yettrium and ferric cations, a nitrogen-containing...
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5660772 |
Process for making ultra-fine barium hexaferrite particles
A process for producing ultra-fine barium hexaferrite particles. In the first step of this process, a ceramic precursor material containing barium and trivalent ferric cations, a...
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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...
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5600088 |
Coatings for solid propellants
This invention relates to improved polyurea coating compositions for particluate solids, and especially for fillers which are useful in solid rocket propellants. The composition is a copolymer of a...
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5589662 |
Pyrotechnic mixture and gas generator for an airbag
A pyrotechnic mixture in the form of granulates, encompassing a nitrogen-generating substance, an inorganic oxidizing medium and a binder constituted of silicone rubber. Also disclosed is a process...
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5567905 |
Gas generant compositions containing D 1-tartaric acid
In gas generant compositions utilizing as fuel, at least in part, tartaric acid, aqueous processing is improved through the use of d,1-tartaric acid over naturally-occurring 1-tartaric acid.
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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...
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5565651 |
Method for preparing a compactable composite explosive
A compactable composite explosive consisting of 90 weight % to 95 weight % of a raw explosive material being RDX, 5 weight % to 10 weight % of ethylene vinyl acetate copolymer resin containing...
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5557151 |
Method of making a gas generation composition
A method of making gas generation compositions is provided comprising the steps of dry mixing an oxidizing agent, an organic acid, an iron compound and carbon to form a dry mixed product...
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5531941 |
Process for preparing azide-free gas generant composition
Gas generant compositions without highly toxic azides are provided which, upon combustion, are converted into gaseous products with only small amounts of solid combustion products thereby...
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5527498 |
Method for production of high density ammonium nitrate prills
The specification discloses a method for making a high density prill particularly useful in making an emulsion explosive composition. The method comprises incorporating certain sulfonate additives...
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5510062 |
Method of producing a nitrocellulose propellant containing a cellulosic burn rate modifier infiltrated therein
There is disclosed a propellent having a deterred burn rate. The propellent is a particulate containing a nitrocellulose base and a cellulosic thermoplastic deterrent, preferably cellulose acetate...
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5501132 |
Dry preparation of particulate solid energetic material
Energetic material can be rapidly cut or machined at high speed in the substantial absence of liquid coolant with a cutting tool having a rotating cutting surface by maintaining a portion of the...
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5489349 |
Grains of gas generating material and process for forming the grains
A process for forming a grain (10) of gas generating material includes the step of forming pieces (86) of gas generating material, and further includes the step of forming the grain (10) as a...
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5483862 |
Apparatus and method for homogenizing plastic explosives
An apparatus for homogenizing plastic explosive material comprises a frame aving a base and spaced first and second supports extending perpendicularly therefrom in parallel. First and second spaced...
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5472647 |
Method for preparing anhydrous tetrazole gas generant compositions
A present method involves preparing an anhydrous gas generant by forming a quantity of granulated anhydrous gas generating material into a shaped charge wherein the gas generating material is an...
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5468427 |
Process for making ultra-fine ceramic particles
A process for producing ultra-fine ceramic particles in which droplets are formed from a ceramic precursor mixture containing a metal cation, a nitrogen-containing fuel, a solvent, and an anion...
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5456455 |
Flare pellet and process for making same
A process forms decoy flare pellets which satisfy predetermined burn requirements without milling additional grooves into the pellet flare material after that material is consolidated. The process...
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5442989 |
Frangible armor piercing incendiary projectile
The method of making the casing comprises the steps of preparing a powder mixture consisting predominantly of a metal powder mixed with a minor proportion of graphite powder ranging from about 0.2%...
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5437229 |
Enhanced thermal and ignition stability azide gas generant intermediates
Slurry and spray dried azide-based gas generant intermediates are made having a hydrazoic acid content of less than about 3×10 EXP(-3) M/L, a pH of greater than 8.0 up to about 12.5, and impurity...
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