Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7785430 | Method of improving the burn rate and ignitability of aluminium fuel particles and aluminum fuel so modified A method of improving the burn rate and ignitability of aluminium fuel particles, and a thus modified aluminium fuel for use in propellant and explosive compositions and pyrotechnic charges. Aluminium fuel particles are treated with an aqueous solution of hydrofluor... | 08/31/2010 |
| 7014828 | Process for stabilizing ammonium nitrate The invention relates to a method for producing thermally and mechanically stable ammonium nitrate by dissolving in nitric acid 1–3% by weight of reticulated metal silicate, before treatment with ammonia. The ammonium nitrate granules produced by this method swell... | 03/21/2006 |
| 6960267 | Multi-component liquid explosive composition and method A multi-component liquid explosive composition and method of mixing thereof. The steps include (a) providing a powder consisting of aluminum preferably having an average particle size of 5 to 50 microns and a surface area of 0.5 to 2 square meters per cubic centimet... | 11/01/2005 |
| 6949236 | Aminosulfonate product-treated nitrogen-containing salt particles Addition of an aminosulfonate product to an inorganic nitrogen-containing salt provides a composition of matter with improved properties. In particular, 2-acrylamido-2-methylpropanesulfonic acid and its derivatives can be added to ammonium nitrate to provide improve... | 09/27/2005 |
| 6923122 | Energetic material initiation device utilizing exploding foil initiated ignition system with secondary explosive material A device and method that employs a detonation event as an energy source for producing a pyrotechnic output. The device includes an initiation charge that is selectively detonated by an exploding foil initiator. Byproducts from the detonation event are attenuated by ... | 08/02/2005 |
| 6605167 | Autoignition material for a vehicle occupant protection apparatus An autoignition material includes a plurality of agglomerates. Each agglomerate comprises an oxidizer material particle. A plurality of metal fuel particles are disposed on the oxidizer material particle. The metal fuel particles are present in a weight r... | 08/12/2003 |
| 6391082 | Composites of powdered fillers and polymer matrix Composite materials comprising at least 60 volume %, preferably 70 volume %, of particles of finely powdered filler material in a matrix of poly(arylene ether) polymer material are made by forming a mixture of the components, forming the required bodies t... | 05/21/2002 |
| 6302978 | Coated oxidizing agent An oxidizer coated with inorganic particles is provided. A method for reducing the mechanical energy sensitivity of an oxidizer is also provided, which comprises coating the oxidizer with inorganic particles. Further, a combustible composition comprising ... | 10/16/2001 |
| 5728464 | Hydrogen generation pelletized fuel Hydrogen generation system of the present invention are all demand systems that are operated to replenish hydrogen gas to a low pressure storage tank or vessel as hydrogen is drawn therefrom, providing a system that is suitable for use as a portable syste... | 03/17/1998 |
| 5714711 | Encapsulated propellant grain composition, method of preparation, article fabricated therefrom and method of fabrication A propellant grain composition for use in solid fuel rocket engines comprises a first reactant component consisting of an oxidizer. A polymeric barrier coating encapsulates the first reactant component and a second reactant component comprising a reducer ... | 02/03/1998 |
| 5682013 | Gas generant body having pressed-on burn inhibitor layer A pyrotechnic grain or body of a gas generant having a consolidated or pressed-on, particulate inert burn inhibitor layer thereon. The inhibitor may be a metal oxide, metal sulfide, silica, silicate compound or mixtures thereof. The metal oxide is prefera... | 10/28/1997 |
| 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 0.05% to 0.5%, by weight, dramatically reduced the friction i... | 09/23/1997 |
| 5472530 | Method of manufacturing free-flowing ammonium nitrate particles applying an anticaking agent The present invention relates to a method of manufacturing free-flowing ammonium nitrate particles, applying an inorganic coating. The invention also comprises an anti-caking coating.... | 12/05/1995 |
| 5464699 | Pyrophoric materials and methods for making the same A pyrophoric coating formed by leaching aluminum from an aluminide coated web in which the aluminide coating was formed on or into the web by an exothermic and diffusion reaction of a powder containing aluminum and chromium with or without a transition me... | 11/07/1995 |
| 5198188 | Combustion synthesis method and products Disclosed is a method of producing dense refractory products, comprising: (a) obtaining a quantity of exoergic material in powder form capable of sustaining a combustion synthesis reaction; (b) removing absorbed water vapor therefrom; (c) cold-pressing said materia... | 03/30/1993 |
| 5076867 | Stabilized emulsion explosive and method The invention relates to a method for stabilizing a detonable mixture of emulsion and AN or ANFO prills and to the resulting compositions. A surfactant is dissolved in a liquid organic fuel prior to adding the fuel to AN prills for forming ANFO prills, or... | 12/31/1991 |
| 5051143 | Water based coating for gas generating material and method A gas generating grain has a water-based particulate booster coating thereon. The coating comprises an alkali metal azide, a water-soluble inorganic oxidizer in approximately a stoichiometric ratio of oxidizer to azide, and a nucleating amount of a small ... | 09/24/1991 |
| 5049212 | High energy explosive yield enhancer using microencapsulation The invention consists of a class of high energy explosive yield enhancers reated through the use of microencapsulation techniques. The microcapsules consist of combinations of highly reactive oxidizers that are encapsulated in either passivated inorganic ... | 09/17/1991 |
| 5041177 | Ammonium nitrate/fuel oil blasting explosive having decreased oil segregation An explosive composition comprising an explosive mixture of ammonium nitrate and fuel oil. The fuel oil is selected to provide an oil separation sufficiently low so that the explosive is detonatable. The fuel oil is also selected such that the viscosity o... | 08/20/1991 |
| 5034070 | Gas generating material A gas generating grain has a water-based particulate booster coating thereon. The coating comprises an alkali metal azide, a water-soluble inorganic oxidizer in approximately a stoichiometric proportion of oxidizer to azide, and a nucleating amount of a s... | 07/23/1991 |
| 5030301 | Oxidizer coated metal fuels with means to prevent auto-ignition A metal fuel for producing power for propulsion is disclosed. The fuel is made up of a metal core, a metal barrier and an oxidizer layer. The combination of materials disclosed provides a means for melting the metal core so that it can be oxidized in an e... | 07/09/1991 |
| 5007973 | Multicomponent explosives A multicomponent explosive composition and its use as a blasting agent in ditching operations and the like. The explosive comprises a fuel component and an oxidizer compnent, both of which are retained in the liquid state over wide temperature ranges and ... | 04/16/1991 |
| 5002797 | Process for aluminum-encapsulated ammonium perchlorate by vapor deposition Aluminum-coated ammonium perchlorate is prepared in an apparatus consisting f a four-opening reaction flask (which serves as a vacuum chamber). The reaction flask is fitted with an electrically-heated tungsten helix coil (for vaporizing the aluminum), a me... | 03/26/1991 |
| 4915753 | Coating of boron particles Method for coating boron particles with a thin ceramic layer. The method provides for thermal decomposition of a hydrocarbon gas in the presence of the boron particles. The coated particles are useful in fuels, giving improved combustion in solid propella... | 04/10/1990 |
| 4903604 | Ignition transfer medium An ignition transfer medium for interconnecting the ignition and pyrotechnic stages of a pyrotechnic device comprises activated fibrous carbon, such as activated charcoal cloth, on which an inorganic oxidizer and possibly other substances have been deposi... | 02/27/1990 |
| 4895609 | Activated metal and method of preparing Metals are made pyrophoric by diffusing aluminum or zinc into them and then leaching it out, or by reacting with aluminum and then leaching aluminum out. Powdered aluminum and powdered nickel, iron or cobalt, can thus be carried on an elongated support we... | 01/23/1990 |
| 4880483 | Pyrophoric composition Very good masking of pack diffusion aluminizing or chromizing on any metal to keep portions from being diffusion coated is effected by localized coating of masking powder, the metal portion of which can have some composition as substrates. Chromizing can ... | 11/14/1989 |
| 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 disc the metal skeleton is deformed and helps lock the powde... | 03/28/1989 |
| 4806180 | Gas generating material Structure for generating nitrogen gas for inflating an air bag vehicle occupant resistant comprises a grain made of an azide based material which generates gas upon combustion. The grain has an ignition enhancing coating thereon consisting essentially of ... | 02/21/1989 |
| 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 product which is highly pyrotechnic but not pyrophoric. Acti... | 01/24/1989 |
| 4743512 | Method of manufacturing flat forms from metal powder and product formed therefrom A method of manufacturing a flat form from blended metallic powder including a major constituent by weight having a high melting point and a minor constituent by weiht having a substantially lower melting point includes selection of the powder to provide ... | 05/10/1988 |
| 4728375 | Pyrotechnic composition for producing radiation-blocking screen A pyrotechnic composition for producing a screen for blocking the passage of infra-red radiation and of light, comprises phosphorus, preferably red amorphous phosphorus, dispersed in a binding agent, for example rubber. The composition is produced by form... | 03/01/1988 |
| 4708913 | Pyrophoric process and product Metals like iron and nickel are pyrophorically activated by continuous or batch treatment. Activated metal can be coated with material that increases, or tempers by partial blocking, pyrophoric action. Pyrophoric powder can be compacted with ignitable pow... | 11/24/1987 |
| 4534809 | Water-in-oil emulsion explosive composition A water-in-oil emulsion explosive composition containing specifically limited hollow microspheres consisting of neutral or weakly acidic hollow microspheres coated with a coating material has a high consistency without deteriorating its storage stability ... | 08/13/1985 |
| 4115522 | Stabilized red phosphorus and process for making it The invention provides stabilized pulverulent red phosphorus. It comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilize... | 09/19/1978 |
| 4115165 | Hydrophobic aluminum sensitizing agents for explosives A sensitizing agent for explosive compositions is provided which comprises particulate aluminum coated with a finely divided hydrophobic fumed silica. Upon incorporation of the hydrophobic material coated aluminum into an aqueous gel explosive composition... | 09/19/1978 |
| 4111728 | Gas generator propellants A smokeless gas generator composition with an oxygenated binder such as a polyester or a polyether allows higher binder content with less solid oxidizer additives such as guanidine nitrate or ammonium nitrate and allows the composition to be cast.... | 09/05/1978 |
| 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 |
| 4089715 | Explosive grade aluminum powder An explosive grade aluminium composition comprises an admixture of aluminium powder and a subdivided carrier therefor having a bulk density less than or equal to that of the aluminium powder and wherein at least part of the powder adheres to the carrier, ... | 05/16/1978 |
| 4055881 | Method of rebuilding an ingot mold A method of rebuilding the eroded area of an ingot mold such as used in casting steel ingots places a metal producing exothermic compound in a cleaned eroded area of the ingot mold to be rebuilt, ignites the compound and confines the molten metal produced... | 11/01/1977 |
