Class 264/3.5 - By liquid comminuting

Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Subject matter wherein the particulate material if formed
No. of patents: 36
Last issue date: 02/13/2007

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Number	Title	Issue Date
7175684	Prilling method A prilling method comprising the steps of: providing a molten first component, mixing at least a second component with the molten first component, reacting the components to form a shear-thinnable mixture; and prilling the shear-thinnable mixture wherein the prillin...	02/13/2007
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 non-solvent diluent, preferably in the absence of plasticizers. The...	02/17/2004
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 introduced into the top of a melting column, allowed to melt...	10/24/2000
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 ignition nuclei in the combustion of propellants. However...	02/29/2000
5962803	Apparatus for preparing spherical energetic compounds A method for producing substantially spherical energetic compounds such as ammonium dinitramide (ADN) which minimizes the time during which the ADN is melted involves providing solid ADN, feeding the ADN at a controlled continuous rate to a heating means,...	10/05/1999
5928576	Cap-sensitive watergel explosive composition production process A watergel explosive composition is described which contains an oxidiser salt, a sensitiser, a thickener, a crosslinking agent, a fuel and less than 8%, by mass, of the composition of water. The explosive composition is cap sensitive in packages or cartri...	07/27/1999
5886293	Preparation of magnesium-fluoropolymer pyrotechnic material A process for preparing energetic materials by (1) dissolving a vinylidenuoride-hexafluoropropylene copolymer in a ketone that is acetone, methyl ethyl ketone, or mixtures thereof, (2) adding polytetrafluoroethylene particles and reactive metal (magnesiu...	03/23/1999
5801453	Process for preparing spherical energetic compounds A method for producing substantially spherical energetic compounds such as ammonium dinitramide (ADN) which minimizes the time during which the ADN is melted involves providing solid ADN, feeding the ADN at a controlled continuous rate to a heating means,...	09/01/1998
5781868	High pressure washout of chemical agents Described is a method of removing chemical agents from the interior of chemical agent filled bodies such as munitions shells. A rotating nozzle is inserted into an opening cut into the shell. High pressure fluidjets (i.e. from about 1,500 psi to above 40,...	07/14/1998
5682009	Propellant containing a thermoplatic burn rate modifer There is disclosed a propellent having a deterred burn rate. The propellent is a particulate containing an energetic binder base and a thermoplastic burn deterrent. The energetic binder has in impetus (energy) in excess of 200,000 foot pounds per pound (m...	10/28/1997
5320691	Charcoal-free black powder type granules and method of production A method of producing an energetic composition comprising the steps of (a) issolving an alkali metal hydroxide in aqueous denatured alcohol to form an alcohol and alkali metal hydroxide solution; (b) kneading phenolphthalein or other reaction product of a ...	06/14/1994
5281286	Microcoacervation of propellant ingredients The coacervation of ferrocene and ferrocene derivative is carried out in a ater-soluble polyol, coacervation mixture at a reaction temperature from about 40° C. to about 55° C. The coacervation mixture is comprised of about 70 to about 80 parts of a 1:1 ...	01/25/1994
5266242	Method and apparatus to prepare a tribasic propellat charge powder The invention relates to a method of and an apparatus for producing tribasic propellant charge powders. An operationally safe and continuous course of the production process is obtained according to the invention by first preparing a fully gelatinized dib...	11/30/1993
5240524	Ammonium nitrate density modification High density ammonium nitrate particles, e.g. prills are treated to reduce the density thereof by contact with a liquid medium which penetrates into the particles via pre-existing pathways, dissolves ammonium nitrate at the surfaces of the pathways and pr...	08/31/1993
4994212	Process for manufacturing a gas generating material A process for manufacturing a gas generating material includes preparing a wet mixture of a metal azide and a metal oxide without prior mixing of the metal azide and metal oxide in dry form. The metal azide content of the gas generating material is contro...	02/19/1991
4911770	Explosive emulsification method Apparatus for producing a multi-phase emulsion explosive from a liquid organic fuel medium and an immiscible liquid oxidizer comprises a mixing chamber, flow constrictor means for introducing the liquid oxidizer as an emergent turbulent jet to said chambe...	03/27/1990
4810430	Deformable pulp paper product, its method of manufacture and method of use A deformable molded fiber product is formed by a method of felting, pressing and drying the compressed product having a uniformly spaced series of low density ridges on one surface. These ridges provide the molded fiber product with sufficient flexibility...	03/07/1989
4790891	Process for the production of a cartridged explosive with entrapped bubbles In a process for the production of a `water-in-fuel` or `melt-in-fuel` emulsion explosive a density-reducing agent is introduced and dispersed in the emulsion at an elevated temperature whereat the emulsion is essentially liquid, the explosive is cartridg...	12/13/1988
4766799	Method of and apparatus for fabricating a tool to form an asymmetrical constant cross section bore in the propellant in a solid rocket motor An elongated flexible bag is fitted inside templates that have aligned openings therein corresponding in shape to that desired for a solid rocket motor propellant bore. With the bottom sealed, the bag is filled with a multiplicity of solid pieces each hav...	08/30/1988
4764329	Producing explosive material in granular form In mass production of explosive warheads, heat-meltable explosive material s continuously converted from an amorphous mass into small solid granules by directing melted exposive in a thin continuous stream against the upper inside surface of a rotating, ge...	08/16/1988
4761254	Method of and apparatus for fabricating a tool to form an asymmetrical constant cross section bore in the propellant in a solid rocket motor An elongated flexible bag is fitted inside templates that have aligned openings therein corresponding in shape to that desired for a solid rocket motor propellant bore. With the bottom sealed, the bag is filled with a multiplicity of solid pieces each hav...	08/02/1988
4758289	Blasting agent in microcapsule form The invention relates to a waterproof, free-running blasting agent and method of manufacturing the same and, more particularly, to a blasting agent in the form of microcapsules (small spherical-shaped particles comprising fluid or hardened droplets surrou...	07/19/1988
4608210	Method for producing plastically bonded propulsion powders and explosives A method for manufacturing plastically bonded propulsive powders and explves by means of an extruder which comprises a housing with at least one entry opening, under certain conditions a solvent supplementing opening, two co- or counterrotating screw sha...	08/26/1986
4491489	Method and means for making an explosive in the form of an emulsion A method of making an explosive in the form of an emulsion, which includes two stages being a first stage comprising directing a plurality of 0.5 to 5 mm diameter jets of the discontinuous phase into the continuous phase, in the presence of an emulsifier,...	01/01/1985
4430241	Mixed nitrate salt heat transfer medium and process for providing the same A process for producing particles of a non-friable eutectic mixture of sodium nitrate and potassium nitrate for solar power station use is disclosed. In one embodiment of the invention, the particles are produced by shock chilling a molten stream of mixed...	02/07/1984
4405534	Production of plastic-bonded explosive substances A process for the production of plastic-bonded explosive substances wherein the binder is applied from aqueous dispersion is characterized in that polyurethanes applied in the absence of organic solvents are used as binder and in that the granulates obtai...	09/20/1983
4377426	Pyrotechnic process This application relates to the art of pyrotechnics and specifically concerns an improvement in the process for preparing granulated pyrotechnic compositions....	03/22/1983
4376083	Process for the preparation of aluminum-containing high-energy explosive compositions A castable high-energy explosive composition comprising trinitrotoluene (TNT) and crystalline explosives of the RDX or HMX type as well as aluminum powder, and, optionally, flegmatizing agents and stablizers consisting of wax, lecithin and nitrocellulose ...	03/08/1983
4331490	Ammonium nitrate slurry compositions A slurry composition based essentially on ammonium nitrate, prepared by a process which comprises comminuting solid substance containing ammonium nitrate by grinding in the presence of a saturated solution of solid in a liquid in which the solid has a sol...	05/25/1982
4285743	Granular propellant and a method of producing the same A double-base granular propellant consisting mainly of nitroglycerine and nitrocellulose, said nitrocellulose being formed into a three-dimensional structure by the crosslinking reaction of a polyfunctional isocyanate, is disclosed. The propellant is supe...	08/25/1981
4265406	Comminution process A process is described for the comminution of a solid material in the presence of a saturated solution of the solid in a liquid in which the solid has a solubility greater than 1%, and also in the presence of an additive dissolved in the saturated solutio...	05/05/1981
4124663	Continuous process for pelleting explosive compositions Finely divided pellets or granules are formed from a molten explosive comition by a combination of spray chilling and prilling techniques, which comprises atomizing the molten explosive composition in a high velocity stream of an inert gas such as air an...	11/07/1978
4101301	Formation of spheres of thermoplastic materials, especially glass A method and apparatus for manufacturing spheres from molten material, such as glass, by allowing drops of the molten material to pass from one end to another of a column containing a liquid, such as a mixture of salts, the temperature of the column being...	07/18/1978
4100000	Prilled explosive composition A free-flowing explosive composition exhibiting high brisance and high blasting power is described, comprising 35-80% by weight TNT, 10-30% by weight aluminum and 0-45% by weight RDX, in spheroidal prill form....	07/11/1978
4092383	Modification of ballistic properties of HMX by spray drying Cylotetramethylenetetranitramine (HMX) or cyclotrimethylenetrinitramine () and one or more additives are dissolved in a solvent and drops of the solution are dispersed into hot air whereupon the solvent evaporates and fine particles of the explosive with...	05/30/1978
4076773	Process for prilling ammonium nitrate This invention comprises an improvement in a method for preparing ammonium nitrate prills wherein molten ammonium nitrate is prilled in a prill tower in the presence of cooling gas containing a predetermined amount of ammonia to retard thermal dissociatio...	02/28/1978

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Class 264/3.5 - By liquid comminuting