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4820362 Metal diffusion and composition  
Low alloy steel tubes are decarburized, heavily diffusion chromized and heavily diffusion aluminized to protect them against sulfidation. For the diffusion they can be supported upright with one...
4820361 Emulsion explosive containing organic microspheres  
The present invention relates to an improved explosive composition. More particularly, the invention relates to a water-in-oil emulsion explosive having improved stability and a lower viscosity....
4818309 Primer composition  
An explosive composition comprising (a) a water-in-oil emulsion comprising (i) a discontinuous aqueous phase comprising at least one oxygen-releasing salt, (ii) a continuous water-immiscible...
4815386 Pyrophoric material with metal skeleton  
Pyrophoric preparations made of crushable open-celled metal skeleton such as honeycomb, metal foam or expanded twisted foil, filled with pyrophoric powder, so that when crushed to make a compact...
4812179 Method of increasing the burning rate enhancement by mechanical accelerators  
The mechanical burning rate accelerators, e.g., graphite linters or alumi whiskers, which are employed to enhance the burning rate of solid propellants are modified by depositing specks of metal...
4808251 Water-in-oil emulsion explosive compositions containing organophilic smectite clay  
The present invention relates to improved emulsion explosive compositions and their manufacture. More particularly, the invention relates to the provision of improved emulsion explosive...
4799979 Heat generation  
Heating or heat generation in general can be from activated aluminides of molybdenum, zirconium or other similar ignitible metals. Activation is by leaching out some of the aluminum and leaves a...
4798636 Composite solid propellant  
In order to achieve a stable burn characteristic, improved mechanical proties and reduced smoke development during burn, a composite solid propellant includes nitrides, borides, and carbonitrides...
4793955 Method and apparatus for casting solid propellant rocket motors  
A circular slit plate having slits therein that are symmetrically positioned and originate near the center of the plate and extend radially toward the outer diameter thereof is used to deaerate...
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...
4790890 Packaged emulsion explosives and methods of manufacture thereof  
The present invention relates to packaged explosives and methods of manufacture thereof and more particularly to packaged emulsion explosives. The term "emulsion" as hereafter used shall mean an...
4784706 Emulsion explosive containing phenolic emulsifier derivative  
The invention relates to a water-in-oil emulsion explosive comprising a water-immiscible organic fuel as a continuous phase; an emulsified aqueous inorganic oxidizer salt solution as a...
4780156 Water resistant sensitizing additive for ammonium nitrate blasting agents  
A dry non-explosive additive for ammonium nitrate-fuel oil (ANFO) blasting agents which provides water resistance and wet sensitivity to allow use of the explosive in wet drill holes. The additive...
4775431 Macroemulsion for preparing high density explosive compositions  
The present invention provides a water-in-oil macroemulsion for use in combination with a solid oxidizer in preparing a high density explosive composition. The macroemulsion comprises 1-70% by...
4774888 In situ disposable gel canister  
A composition for making an in situ disposable propellant canister for utilization in controlled pulse fracturing. Said canister is composed of a porous light fabric material in combination with a...
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,...
4767476 Method of and device for storing liquid explosives in the form of an emulsion in water  
A container for the temporary storage of an emulsion of explosive and water consisting of two chambers that communicate through a gap at the floor and into which water is introduced into up to a...
4764230 Explosive composition  
A water-in-oil emulsion explosive composition comprising: a discontinuous aqueous oxidizer-phase comprising dissolved therein an oxygen releasing salt component comprising ammonium nitrate; a...
4764229 Sensitization of inorganic oxidizer explosives  
Sensitized inorganic nitrate mixtures with high brisance are provided in which oxygen balance is attained by the incorporation of aluminum dust and hydrocarbons. Cap sensitivity is achieved by...
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...
4756779 Process for the production of particulate, water resistant explosives based on ammonium nitrate  
An improved process for the manufacture of water resistant dry blasting agents. Powdered, solid, water blocking agent and solid fuel, if required, is added as a suspension in a liquid non-hydrating...
4756776 Process for the production of an explosive and the explosive  
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...
4746380 Explosive compound comprising ammonium nitrate and glycine  
The invention relates to a new explosive compound which is an associated compound of ammonium nitrate and glycine and also includes explosive composition containing this compound. The compound ANGC...
4737207 Method for the preparation of a water-in-oil type emulsion explosive and an oxidizer composition for use in the method  
A method and an oxidizing composition for preparation of a water-in-oil type emulsion explosive in which a pre-emulsion is formed from a fuel phase and a first part of an oxidizer phase, an...
4732627 Method for improving the quality of an emulsion explosive composition  
A method and apparatus for improving the quality of an emulsion explosive composition by selecting an electrical characteristic of the composition, establishing a predetermined range of values...
4732626 Water-in-oil emulsion explosive composition  
A water-in-oil emulsion explosive having a high resistance against dead pressing is obtained by adding a cushioning medium having a high impact energy-absorbing property to a water-in-oil emulsion...
4728376 Explosive composition and method  
Certain classes of organic acids, and salts of those acids and in particular ascorbic acid and erythorbic acid and the salts thereof, and mixtures thereof, which have certain antioxidant and food...
4722757 Solid explosive composition  
This invention provides a solid explosive composition comprising a low-water content melt-in-fuel emulsion when prepared at elevated temperature which solidifies on cooling. The emulsion comprises...
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...
4714503 Emulsion-containing explosive compositions  
In emulsion blend explosives, the replacement of coarse salt particles, e.g., prills, by fines, i.e., particles which pass a No. 50 U.S. sieve, increases the water resistance of the explosive...
4711678 Process for the preparation of a water-in-oil emulsion explosive and a fuel phase for use in such process  
Fuel phase for use as a continuous phase together with a discontinuous aqueous oxidizing salt phase in water-in-oil emulsion explosives, comprising a carbonaceous fuel and at least one but not all...
4710248 Emulsion explosive composition  
An emulsion explosive comprising substantially an immiscible discontinuous oxidizer-phase dispersed throughout a continuous fuel phase with a modifier comprising hydrophilic and lipophilic moieties...
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...
4698108 Castable smoke-generating compounds effective against infrared  
The invention concerns a castable pyrotechnic composition used to produce opaque smoke for impeding the transmission of infrared radiation from a target to a sensor, of the type including a...
4698105 Water-in-oil type emulsion explosives  
Disclosed herein are water-in-oil type emulsion explosives comprising an aqueous solution of oxidizing agent, an oily material, hollow microspheres and an emulsifier containing from 0.1 to 10% by...
4696705 Gas generating material  
Structure for generating nitrogen gas for inflating an air bag vehicle occupant restraint comprises a grain made of an azide based material which generates gas upon combustion. The grain is made of...
4693765 Gel type slurry explosive and matrix and method for making same  
A matrix material to be added to a standard ammonium nitrate-fuel oil dry explosive to form an economical slurry explosive having excellent water resistant properties includes an oxidizer solution...
4689096 Explosive booster composition  
A packaged booster charge is provided which is sensitive to initiation by blasting cap yet which contains no self-explosive ingredient. The composition of the booster comprises a low melting point...
4685375 Mix-delivery system for explosives  
Method and apparatus for making aqueous slurry explosives are disclosed. The components of the aqueous slurry explosive are mixed in a variable speed rotary mixer where the speed of the mixer is...
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...
4678524 Cast explosive composition and method  
The present invention relates to a cast explosive composition and other energetic compositions such as propellants. (As used herein, the term "explosive" also shall include other energetic...
4676849 Gas bubble-sensitized explosive compositions  
This invention relates to the preparation of gas bubble-sensitized explosive compositions which are liquid during their manufacture. It is possible to achieve particularly fine bubble sizes and...
4675059 Non-toxic, non-corrosive priming mix  
This invention relates to priming compositions for ammunitions containing manganese dioxide as oxidizer agent in the primer mix, and to the rimfire cartridge containing dinol, manganese dioxide,...
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...
4664728 Explosive systems  
Water-based explosives that use siliceous boron-containing microspheres as sensitizing agents are stabilized by adding multivalent metal ions to the explosives. Zinc salts are especially useful.
H000273 Processing of high solids propellant  
The mixing of high solids loaded propellants is accomplished under reduced viscosity conditions by employing near critical liquid (NCL) carbon dioxide as the processing fluid in a volume amount...
4659387 Nitrocellulose moistened with tertiary alcohols and the use thereof in polyurethane lacquers  
Nitrocellulose moistened with alcohol, particularly for polyurethane lacquers, characterized in that a lower aliphatic tertiary alcohol is used as moistening agent.
4637848 High density gel explosive  
High density water gel explosives having relatively large amounts of low density sensitizers are prepared by evenly dispersing a densifying material therethrough. Separation of the densifying...
4632714 Microcellular composite energetic materials and method for making same  
Essentially anhydrous energetic compositions, including explosives, propellants, flares, and gas generators, are initially formed at process temperatures above the solidification temperature of...
4615751 Explosive which includes an explosive emulsion  
This invention relates to an explosive. In particular, the invention relates to an explosive of the emulsion type in which an oxidizing salt-containing component forms the discontinuous phase in an...