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| Number | Title | Issue Date |
| 8007607 | Combustible structural composites and methods of forming combustible structural composites Combustible structural composites and methods of forming same are disclosed. In an embodiment, a combustible structural composite includes combustible material comprising a fuel metal and a metal oxide. The fuel metal is present in the combustible material at a weig... | 08/30/2011 |
| 7951247 | Nano-laminate-based ignitors Sol-gel chemistry is used to prepare igniters comprising energetic multilayer structures coated with energetic booster materials. These igniters can be tailored to be stable to environmental aging, i.e., where the igniters are exposed to extremes of both hot and col... | 05/31/2011 |
| 7360479 | Non-explosive energetic material and a reactive armor element using same The present invention provides elements for making a protective reactive armor to be fitted on the outside of an enclosure liable to be exposed to attack by shaped-charge warheads and other threats, such as kinetic energy projectiles and fragments, to thereby enhanc... | 04/22/2008 |
| 7361412 | Nanostructured soldered or brazed joints made with reactive multilayer foils Self-propagating formation reactions in nanostructured multilayer foils provide rapid bursts of heat at room temperature and therefore can act as local heat sources to melt solder or braze layers and join materials. This reactive joining method provides very localiz... | 04/22/2008 |
| 7357061 | Non-explosive energetic material and a reactive armor element using same The present invention provides elements for making a protective reactive armor to be fitted on the outside of an enclosure liable to be exposed to attack by shaped-charge warheads and other threats, such as kinetic energy projectiles and fragments, to thereby enhanc... | 04/15/2008 |
| 7278353 | Reactive shaped charges and thermal spray methods of making same Shaped charge liners are made of reactive materials formed by thermal spray techniques. The thermally sprayed reactive shaped charge materials have low porosity and high structural integrity. Upon detonation, the reactive materials of the shaped charge liner undergo... | 10/09/2007 |
| 7278354 | Shock initiation devices including reactive multilayer structures The invention provides shock initiation devices comprising multilayer structures with constituent layers that undergo an exothermic self-propagating reaction once initiated by shock. The multilayer structures may be used as components in shaped charges, EFP devices,... | 10/09/2007 |
| 7182778 | Conforming thermal pack A flexible thermal pack to be intimately applied to a patient's body is in the form of a plastic container enclosing a chemical compound capable of an endo- or exo-thermic reaction when intermixed with a catalyst. The plastic container has a vent in one wall covered... | 02/27/2007 |
| 7055434 | Electrical initiation system A method of using electrically initiated primer systems that rely on vaporizing a thin metallic film which is either coated on a non-conductive insulator component or is a malleable thin film or strip secured to the inner surface of a primer cup assembly to ignite a... | 06/06/2006 |
| 6881284 | Limited-life cartridge primers A cartridge primer which utilizes an explosive that can be designed to become inactive in a predetermined period of time: a limited-life primer. The explosive or combustible material of the primer is an inorganic reactive multilayer (RML). The reaction products of t... | 04/19/2005 |
| 6276276 | Thin-film optical initiator A thin-film optical initiator having an inert, transparent substrate, a reactive thin film, which can be either an explosive or a pyrotechnic, and a reflective thin film. The resultant thin-film optical initiator system also comprises a fiber-optic cable ... | 08/21/2001 |
| 6165307 | Multi-component 3-dimensional energetics method and construction A multi-component three dimensional energetic device and the method of maacturing it. The method includes the steps of forming a quantity of an energetic material into a plurality of sheets having relatively no appreciable thickness, and then cutting at ... | 12/26/2000 |
| 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 |
| 5970877 | Gun propellant coating A coating for a gun propellant powder wherein the graphite commonly used to coat a gun propellant powder is totally or partially replaced with molybdenum disulfide in an amount equal to or less than five tenths percent by weight of the propellant powder.... | 10/26/1999 |
| 5773748 | Limited-life cartridge primers A cartridge primer which utilizes an explosive that can be designed to become inactive in a predetermined period of time: a limited-life primer. The explosive or combustible material of the primer is an inorganic reactive multilayer (RML). The reaction pr... | 06/30/1998 |
| 5670740 | Heterogeneous gas generant charges A gas generant charge comprises a heterogeneous mixture of between about 80 and about 95 wt % of a first gas generant composition 1) and between about 5 and about 20 wt % of a second gas generant composition 2), based on the total weight of 1) plus 2). Th... | 09/23/1997 |
| 5606146 | Energetic composites and method of providing chemical energy A method for providing chemical energy and energetic compositions of matter consisting of thin layers of substances which will exothermically react with one another. The layers of reactive substances are separated by thin layers of a buffer material which... | 02/25/1997 |
| 5534090 | Dosimeter capsule indicating service life of a rocket motor A novel dosimeter capsule for indicating the condition of the solid propellant contained within a rocket motor to provide a measure of the remaining service life of the motor is described, which comprises a sealed expandable container and a portion of the... | 07/09/1996 |
| 5507890 | Multiple layered gas generating disk for use in gas generators The present invention resides in a body of material which is ignitable to generate a gas for inflating an air bag. The body of material comprises at least two layers of ignitable gas generating material which are pressed together. One of the layers compri... | 04/16/1996 |
| 5505799 | Nanoengineered explosives A complex modulated structure of reactive elements that have the capability of considerably more heat than organic explosives while generating a working fluid or gas. The explosive and method of fabricating same involves a plurality of very thin, stacked,... | 04/09/1996 |
| 5501751 | Pyrophoic material and method for making the same The present invention is directed to the encapsulation of pyrophoric materials in a high temperature resistant membrane having at least one perforation which allows air to contact the pyrophoric material. By controlling the accessibility of the pyrophoric... | 03/26/1996 |
| 5467714 | Enhanced performance, high reaction temperature explosive High reaction temperature explosive compositions which provide enhanced air blast and extended reaction times are disclosed. The explosive compositions include a separate acceptor phase and a separate explosive phase. The acceptor phase contains a halogen... | 11/21/1995 |
| 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 |
| 5458912 | Tamper-proof electronic coatings Disclosed is a method of forming tamper-proof coatings on electronic devices. The method comprises applying a coating of a silica precursor resin and a filler onto the electronic device, wherein the filler is one which reacts in an oxidizing atmosphere to... | 10/17/1995 |
| 5454363 | High-temperature exothermic device Proposed is a compact high-temperature exothermic device by utilizing the heat of reaction of a reactive metal powder, e.g., titanium and zirconium, and a powder of boron and/or carbon mixed together in about the stoichiometric proportion forming a calori... | 10/03/1995 |
| 5403035 | Preparing air bag vehicle restraint device having cellulose containing sheet propellant The present invention provides a cellulose-based propellant for generating gas to inflate an air bag in a vehicle occupant restraint system. In one embodiment, the propellant includes cellulose in combination with an alkali nitrate oxidizer, such a potass... | 04/04/1995 |
| 5266132 | Energetic composites A method for providing chemical energy and energetic compositions of matter consisting of thin layers of substances which will exothermically react with one another. The layers of reactive substances are separated by thin layers of a buffer material which... | 11/30/1993 |
| 5253584 | Pyrotechnic materials A pyrotechnic material consists of an oxidizable metal vapor-deposited onto a substrate film of an oxidizing polymeric material the metal and polymeric substrate being conjointly capable of exothermic reaction on ignition. The substrate may be provided in... | 10/19/1993 |
| 5090322 | Pyrotechnic train A micro pyrotechnic train is formed from a reactive laminate comprised by a plurality of thin films of an electron acceptor material (9) and an electron donor material (10) alternately layered upon a substrate layer by vacuum deposition. The thus deposite... | 02/25/1992 |
| 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 |
| 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 |
| 4875948 | Combustible delay barriers A combustible delay barrier for providing a delay to intrusion into an object. The delay barrier comprises a combustible layer containing a source of fuel such as a metal and/or a polymer and a source of oxygen such as an oxidizer. The combustible layer o... | 10/24/1989 |
| 4824495 | Combustible coatings as protective delay barriers A combustible coating for providing a delay barrier to intrusion into an object. The coating contains a source of fuel as a metal and/or a polymer and a source of oxygen such as an oxidizer. The coating is ignitable at a temperature in excess of about 300... | 04/25/1989 |
| 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 |
| 4697521 | Method for opaquing visible and infrared radiance and smoke-producing ammunition which implements this method The invention concerns a method and a smoke-producing pyrotechnical ammunition to shield the visible and infrared radiance in a wave length included between 0.4 and 14 μm emitted by a target. First we produce instantly a first hot aerosol with a fast pyr... | 10/06/1987 |
| 4693181 | Linear cutting charge The application discloses improvements in hollow charges for linear cutting or demolition purposes wherein a bar formed from a composite of explosive material and a first pliant material has a V-shaped groove with a liner formed from a composite of partic... | 09/15/1987 |
| 4660474 | Percussion or impact wave conductor unit A device for application in the art of blasting, by the use of nonelectric devices, and the new concept that employs pyrotechnic mixtures and combinations thereof which are distributed in granular form throughout the inside of a supporting tube. The pyrot... | 04/28/1987 |
| 4597810 | Tracer unit for ammunition The tracer unit, which is particularly adaptable for ammunition used in hand guns and submachine guns, consists of a base charge including about 70 to about 90 weight % strontium peroxide, about 5 to about 15 weight % calcium resinate and about 5 to about... | 07/01/1986 |
| 4557771 | Charge liner for hollow explosive charges The invention relates to lining material for a hollow explosive charge with increased effectiveness mainly for the perforation of pipes of hydrocarbon-producing wells. The lining material according to the invention consists of alloy with bismuth content a... | 12/10/1985 |
