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7597046 |
Integrated thin film explosive micro-detonator
A method of making a thin film explosive detonator includes forming a substrate layer; depositing a metal layer in situ on the substrate layer; and reacting the metal layer to form a primary...
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7587978 |
Reactive material initiator for explosive-filled munitions
An initiator is provided for a munitions device that is intended to strike a target substantially along a trajectory direction and contains an explosive within a case. The initiator includes a...
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7363860 |
Non-explosive two component initiator
Methods and apparatus for detonating explosives or igniting flammables are disclosed. According to some embodiments of the invention, initiators include an initiating component holding an exploding...
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7073447 |
Electro-thermal chemical igniter and connector
An ETC igniter and compatible electrical connector for enabling an ETC gun to be used in a battlefield setting in close proximity with personnel and sensitive electronic equipment. This is...
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7059250 |
Melted metal dispersal warhead
Molten droplets of a metal fuel, such as aluminum, are dispersed into air or water for a reaction releasing energy for military or other purposes. In one warhead embodiment, a cylinder of solid...
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7021217 |
Versatile cavity actuator and systems incorporating same
A versatile cavity actuator. The versatile cavity actuator includes a cavity having one or more polymer-based sidewalls. An energetic material is disposed therein. A heater is disposed on or within...
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6994030 |
Pyrotechnic microactuators for microsystems
The technical field of the invention is that of microactuators designed for mechanical, chemical, electrical or thermal functions in microsystems, for microelectronic applications such as chips, or...
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6941868 |
Single increment initiator charge
A single increment initiator charge for use in an inflatable restraint system and a method of preparing the single increment initiator charge are provided. The single increment initiator charge...
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6845715 |
Explosion simulator
An explosion simulator including a chamber at least partially filled with a pyrotechnic material, the chamber being formed with a plurality of holes arranged for fluid products of an explosion of...
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6749702 |
Low temperature autoignition composition
The present invention relates to a low temperature autoignition composition for safely initiating combustion of a main pyrotechnic charge in a gas generator or pyrotechnic device exposed to flame...
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6736068 |
Detonator
The invention relates to an initiating element for use in a detonator to cause a base charge arranged in the detonator, to detonate. The initiating element comprises an ignitable initiating charge...
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6651563 |
Ignition elements and finely graduatable ignition components
An ignition element consists of a combination of first and second ignition components. The first ignition component contains at least one primer, at least on heat-conducting additive selected from...
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6591753 |
Propellant device for pipe weapons or ballistic projection
A propellant device of consisting of a compact charge and a firing system for pipe weapons or ballistic drives is proposed. At least one electromagnetic radiation absorbing medium, e.g. carbon...
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6502343 |
Emergency rescue device
An emergency rescue device is provided which includes a plurality of launching tubes, a plurality of upper and lower fixing pieces, a plurality of upper and lower connecting moving pieces, a...
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6340175 |
Air bag assemblies with foamed energetic igniters
An air bag igniter including a foamed material, and an air bag assembly containing the same are disclosed. The foamed material is formed from a composition including, as ingredients, a...
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6298784 |
Heat transfer delay
A heat transfer delay for providing a delay time in propellant, pyrotechnic, and explosive devices, and a method of delaying production of a non-detonating thermal output with the heat transfer...
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6224099 |
Supplemental-restraint-system gas generating device with water-soluble polymeric binder
The present invention relates to an igniter composition which is capable of being extruded to yield a robust igniter extrudate. The composition is particularly useful in the form of an igniter...
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6221187 |
Method of safely initiating combustion of a gas generant composition using an autoignition composition
The present invention relates to a low temperature autoignition composition for safely initiating combustion of a main pyrotechnic charge in a gas generator or pyrotechnic device exposed to flame...
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6101947 |
Method of safety initiating combustion of a gas generant composition using autoignition composition
The present invention relates to a low temperature autoignition composition for safely initiating combustion of a main pyrotechnic charge in a gas generator or pyrotechnic device exposed to flame...
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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...
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5993201 |
Enclosed frictionally ignited photographic flash lamp
A photographic flash lamp having a closed, at least partially transparent capsule. A combustible material within an enclosed region of the capsule generates a flash upon ignition. Ignition is...
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5847310 |
Squib for an air bag with an auto ignition composition
A squib for a gas generator, comprising a magazine which is formed with a squib cup and a squib plug and is sealed; a pair of electrode lead pins penetrating through said squib plug to said...
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5831207 |
Autoignition composition for an airbag inflator
An autoigniting composition comprising lead thiocyanate Pb(SCN) 2 as the fuel, a chlorate as the oxidizer and optionally, a binder and/or a flow agent/thickener are disclosed for use in a vehicle...
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5792982 |
Two-part igniter for gas generating compositions
A two-part igniter for inflators used to inflate inflation devices such as air bags, lift rafts, slide chutes, and the like which includes a heterogeneous mixture of an ignition material and a...
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5756928 |
Spontaneously-firing explosive composition
A gas generator for an air bag is provided which contains a spontaneously-firing explosive composition in which at least one of a squib, igniting agent and a gas generant is contained in a casing...
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5717159 |
Lead-free precussion primer mixes based on metastable interstitial composite (MIC) technology
A lead-free percussion primer composition and a percussion cup containing e composition. The lead-free percussion primer composition is comprised of a mixture of about 45 wt % aluminum powder...
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5670735 |
Propellant igniting system and method of making the same
An igniting system for a projectile propellant includes a combustible support tube having an outer surface and an inner surface; a plurality of throughgoing apertures provided in the support tube;...
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5654520 |
Delay charge and element, and detonator containing such a charge
A pyrotechnic delay charge for providing delays in the millisecond and second ranges, comprising the components bismuth oxide as an oxidation agent and silicon as a fuel. The invention also relates...
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5542688 |
Two-part igniter for gas generating compositions
A two-part igniter for inflators used to inflate inflation devices such as air bags, lift rafts, slide chutes, and the like which includes a heterogeneous mixture of an ignition material and a...
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5485790 |
Gas generator with multiple-charge primer
A gas generator for providing gases in which the gas generating propellant is ignited by a multiple charge primer. In one embodiment the primer includes a primer housing which contains a sensitizer...
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5471903 |
Device for igniting a propellant charge, a cartridge for the charge and a magazine for holding cartridges, especially for stud setting or driving tools
A device for igniting a propellant charge is provided with a housing defining a cavity wherein a piston is displaceably guided. The cavity is connected via a bore acting as a nozzle to a chamber...
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5460671 |
Ignition compositions for inflator gas generators
Autoigniting compositions and processes for a gas generator of a vehicle occupant restraint system result in rapid autoignition at relatively low temperatures from approximately 135° C. to 210°...
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5385098 |
Initiating element for non-primary explosive detonators
An initiating element of non-primary explosive type comprising a confinement containing secondary explosive, having a first end adapted for ignition of the secondary explosive by igniting means,...
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H001352 |
Combustible metallic propellant charge igniter
A propellant charge igniter is provided with a metallic igniter tube which is consumed along with the main propellant charge. The combustible igniter tube is flexibly attached to a conventional...
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5313888 |
Pull-wire igniter for flares
The invention includes a pull-wire igniter for a pyrotechnic distress or signalling device which includes a hollow, elongated, tubular body which has a pyrotechnic composition mixture packed into...
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5285728 |
Successive-actuation device, using pyrotechnic cord
The invention relates to a successive-actuation device of the type including at least one pyrotechnic cord and a trigger for actuating the operation thereof. Advantageously, the invention contains...
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5265538 |
Track warning detonator
A warning detonator for use on railway tracks or the like is disclosed. The detonator comprises a tube or cylinder (18) having disposed therein at spaced apart locations a length of elastomer (20)...
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5187319 |
Low vulnerability component of explosive ammunition and process for initiating a charge of low-sensitivity composite explosive
Low-vulnerability component of explosive ammunition and process for initiating a charge of low-sensitivity composite explosive. The subject of the present invention is a low-vulnerability component...
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5121691 |
Destructive effect projectile that explodes on impact
The invention relates to a projectile comprising a shell body containing an explosive charge and a ballistic nose cone in which a trigger system is disposed. The ballistic nose cone is organized as...
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5069616 |
Ignition device for lances
An ignition device for lances, such as lances intended for supplying oxygen gas to metallurgical processes, having a tubular casing intended to be fitted partially onto one end of a lance and the...
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5046567 |
Adiabatically induced ignition of combustible materials
A method and apparatus for achieving adiabatic heat ignition of combustible material, particularly explosive compositions which involves entrapping a quantity of gas in a chamber which is in...
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4996922 |
Low profile thermite igniter
A thermite igniter/heat source comprising a housing, high-density thermite, and low-density thermite. The housing has a relatively low profile and can focus energy by means of a torch-like ejection...
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4982662 |
Shaped primer
A primer for explosives comprises a shaped charge of detonating material for use with an initiator such as a detonator or fuse cord which penetrates into the charge at least about as far as its...
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4915618 |
Igniter for thermal lance
An igniter is provided for slip-on attachment to the free end of a thermal lance. The igniter includes a slip-on cartridge having a frictional support cap. A priming composition (12) and a primer...
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4846067 |
Weatherproof safety fuse igniter
A disposable weather-proof safety fuse igniter is provided which includes a hollow cylindrical housing having an internally spaced sleeve provided for mounting and positioning a pull-wire type...
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4843965 |
Thermally activated triggering device
The invention incorporates a thermally responsive rotor, with a primer athed, that revolves to an ignition position upon influence of a temperature rise. Thermally sensitive actuators, also...
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4836109 |
Control line differential firing head
A firing head assembly for a well bore perforating gun in which alternative firing paths are provided. A first detonation cord passes longitudinally through a generally cylindrical housing,...
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4689185 |
Priming method for rimfire cartridge
A priming method for rimfire cartridges is disclosed in which a propellant solution is disposed adjacent a centrifugally located primer material in a rimfire cartridge. The solvent is then...
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4660473 |
Compressed gas-actuated mechanical power element
Two cylinder chambers are provided in a housing, each of these chambers containing a piston. Pins project, as piston rods, from the pistons in differing directions. A duct is located in a zone...
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4574699 |
Extendible wafer igniter with perforations adjacent the foot portion
A closed urethane cylindrical case includes a mounting base or foot which runs parallel to the axis of the case and is bonded to the surface of the propellant grain of a full head-end-web rocket...
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