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| Number | Title | Issue Date |
| 8020489 | Squib and gas generator A squib includes an SCB chip connected to electrode pins so as to ignite by externally applied electric current, and a capacitor electrically connected to the electrode pins in parallel with a thin film resistor on the SCB chip. The capacitor is arranged above the h... | 09/20/2011 |
| 7587977 | Pyrotechnic microsystem and method for fabricating a microsystem The invention relates to a microsystem and a method for fabricating a microsystem. The pyrotechnic microsystem (7, 1′) comprises a substrate having at least two separate electrical initiation zones, each of which provides separate electrical initiation of a... | 09/15/2009 |
| 7357082 | Modified shotgun and modified shotgun shell ammunition A shotgun which allows its operator to fire modified ammunition rounds as either slug rounds or rounds of shot. The shotgun is modified by the addition of components creating an electric circuit in the shotgun. The modified ammunition rounds contain a modified slug ... | 04/15/2008 |
| 7314005 | Fireworks ignition system for 1.4 fireworks An ignition system for 1.4 g or consumer fireworks includes a base to which the fireworks are secured to prevent tipping thereof during shooting. The base is secured to the ground or other surface for stability. Preferably, the base is part of a container which encl... | 01/01/2008 |
| 7284488 | Gas generator A gas generator comprising a first cup case 3 packing therein gas generant 2 to generate gas by the burning of it, a squib 5 having a second cup case E arranged in an inside of the first cup case 3 and containing an ignition charge D, a s... | 10/23/2007 |
| 7270044 | Plasma firing mechanism and method for firing ammunition The invention comprises a device and method for firing firearm ammunition using a plasma torch generator. In a particular embodiment, the device relates to the control or management of the rate of fire and number of rounds fired in a burst firing mode for automatic ... | 09/18/2007 |
| 7267056 | Initiator An initiator includes, as constitutive components, a pair of electrodes disposed with an insulator disposed therebetween; a bridge wire connected between the pair of electrodes and adapted to generate heat when energized; an explosive which detonates in response to ... | 09/11/2007 |
| 6966260 | Clip-on device for coupling an electric match to a pyrotechnic fuse There is provided a molded polymeric coupling device incorporating integral hinges, latches and strain-relief features adapted to receive an electric match having a protective chamber, and a quickmatch fuse of a pyrotechnic device. After the quickmatch fuse is suita... | 11/22/2005 |
| 6941867 | Initiator with a slip plane between an ignition charge and an output charge A pyrotechnic initiator having an initiator including a relatively low monolithic ignition charge that is separated from an overlying output charge by an intermediary slip plane. The slip plane may simply be a non-integral junction between monolithic ignition and ou... | 09/13/2005 |
| 6935241 | Method of producing a device containing pyrotechnical material and device obtainable by this method A method of producing a device containing pyrotechnical material comprises the following steps: providing a tubular housing element with a base and metal ducts incorporated in the base, with the housing element and the base being integrally formed of glass and the h... | 08/30/2005 |
| 6779456 | Initiator with a bridgewire configured in an enhanced heat-sinking relationship A pyrotechnic initiator having a bridgewire configured in an enhanced heat-sinking relationship with the adjacent ignition charge and/or header glass surface without the necessity of a consolidation force. ... | 08/24/2004 |
| 6655289 | Two-piece capsule trigger unit for initiating pyrotechnic elements The invention relates to trigger units for initiating pyrotechnic elements which usually consist of a switch and control unit, ignition means and an ignition charge body. Said switch and control element is triggered by way of an electric coupling via a li... | 12/02/2003 |
| 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 the group consisting of zirconium, aluminum, titanium, fer... | 11/25/2003 |
| 6513436 | Ignition module for explosive content detonator, method and equipment for making a detonator equipped with same An electronic module for a detonator, the module comprising an electronic circuit (4, 5, 6) encapsulated in a mass of hardened resin (7) in which there terminates at least one inlet conductor (8) and from which there extend two outlet conductors forming a... | 02/04/2003 |
| 6431070 | Electrical connector for use with pyrotechnic ignition apparatus An electrical connector device for use with a pyrotechnic ignition apparatus having a magazine for igniting a plurality of devices in an array in an ignition sequence includes a plastic tube mounted in a metal cap casing to which first and second electric... | 08/13/2002 |
| 6422146 | Igniter unit for an inflator An igniter unit for an inflator unit comprises a base in which electric contact pins are arranged and a plug for plugging into the base to contact the contact pins. The plug is provided with at least one key and the base is provided with at least one guid... | 07/23/2002 |
| 6363853 | Electrically initiated distributed igniter An electrically initiated distributed igniter (EIDI) system combines most of the advantages of conventional pyrotechnic igniters with those of ETC planar igniters without the disadvantages of either. The EIDI system lends itself to precise timing control ... | 04/02/2002 |
| 6247409 | Igniter for a gas generator An igniter for a gas generator comprises at least two connecting leads and an incandescent means arranged between the connecting leads and surrounded by an igniting substance. Several filaments are used as the incandescent means.... | 06/19/2001 |
| 5945627 | Detonators comprising a high energy pyrotechnic In-hole and surface detonators are provided which are essentially free from primary explosives. The detonators utilize a high energy pyrotechnic mixture of a fuel and an oxidizer for initiation of a base charge enclosed in the detonator, or for the initia... | 08/31/1999 |
| 5886282 | Electrical model rocket ignitor and method of manufacturing the same The invention is directed to an electrical ignitor for a model rocket, including two insulated lead wires, with each lead wire having an uninsulated end. An element wire interconnects the uninsulated ends from each lead wire. The element wire forms a plur... | 03/23/1999 |
| 5826160 | Hot explosive consolidation of refractory metal and alloys A method and apparatus for fabricating high density monolithic metal and alloy billets. The process requires preheating precursor materials of metal or alloy billets by means of a combustion synthesis called Self-Propagating High-Temperature Synthesis (SH... | 10/20/1998 |
| 5688416 | Stabilized plasma arc injector This disclosure relates to a stabilized plasma injector device specifically adapted to incubate, shape and develop plasma under the influence of an adjustable electromagnetic field to provide ignition and further promote energy coupling between the plasma... | 11/18/1997 |
| 5639986 | Airbag igniter and method of manufacture The present invention is directed to an improved igniter for airbags wherein the igniter is combined with an airbag assembly fixedly making metal-to-metal communication.... | 06/17/1997 |
| 5509354 | Igniter holder An igniter holder is designed for use with a model rocket engine for temporarily fixing the igniter in the ignition cavity of the model rocket engine in preparation for launch.... | 04/23/1996 |
| 5503078 | Shock resistant detonator and method for making the same The present invention is directed to an article of manufacture which provides a disc which both cleans primary charge contaminants on detonator cylinder walls, and shapes the preloaded primary charge in the containment chamber of the detonator.... | 04/02/1996 |
| 5410966 | High reliability model rocket engine igniter system A reusable, semi-flexible molded model rocket engine igniter holder is used to hold an electrically activated igniter in intimate contact with the exposed surface of the model rocket engine propellant until the rocket engine propellant is ignited by passi... | 05/02/1995 |
| 5394801 | Fuse head One fuse head has an insulating pole body with electrically conducting longitudinal strips, an incandescence bridge arranged on the pole body between the strips and connecting wires. The glow bridge and the connecting wires each being connected via solder... | 03/07/1995 |
| 5138948 | Hermetically sealed pyrotechnic device A cylindrical metal end cap is formed over one end of a thermoplastic tubular casing. A pyrotechnic detonator is ohmically connected to the end cap via an aperture thereof and includes an electrically activated match. The detonator is soldered to the end ... | 08/18/1992 |
| 5123355 | Rocket ignition assembly and means and methods for making and using same A novel and unique rocket ignition system comprising a novel igniter having copper foil laminated plastic substrate having a electro-conductive pyrotechnic coating disposed on one end thereof and ignitable by means of a special power-supplied igniter clip... | 06/23/1992 |
| 4951570 | Electrically activated detonator with pyrotechnic device receiving terminals and method of making A first terminal extends from the central region of a circular cylindrical contact body. A thermoplastic tube is heat shrunk over the cylindrical surface of the body with a leader protruding from an end of the body. The assembly is press fitted into the b... | 08/28/1990 |
| 4939993 | Detonator A detonator 10 includes an elongate tubular member 12 which defines a longitudinally extending passage 14. A pair of base charges 16 and 20 are located in the passage 14. A primary charge 18 which is substantially disc-shaped is located in the passage 14 ... | 07/10/1990 |
| 4380958 | Electrostatic safe electric match A safe electroexplosive device such as an electric match is provided by cring the existing electric match with a coating that prevents electrostatic discharge penetration of the coating. The coating may be either an inner insulator with a conductive oute... | 04/26/1983 |
| 4331078 | Instantaneous detonator with insert member within fuze casing An instantaneous detonator has a detonator casing containing a primary charge and a secondary charge with fuze wires extending from outside the casing to an electrically actuated ignitor system located in the casing. An insert member is positioned in the ... | 05/25/1982 |
| 4299168 | Resistance after firing protected electric match An electric match having electrical leads embedded in flame-producing compound is protected against an accidental resistance across the leads after firing by a length of heat-shrinkable tubing encircling the match body and having a skirt portion extending... | 11/10/1981 |
| 4273051 | Electric device An electrically ignited load such as a fusehead is connected to the secondary winding of a transformer. The secondary winding is magnetically linked to a primary winding through a magnetic circuit and the transformer is constructed so as to provide a subs... | 06/16/1981 |
| 4152988 | Electric match with epoxy coated fluorocarbon containing pyrotechnic composition A method of making an electric match having an electrical assembly of a p of lead-in wires and a bridge wire comprising dipping said electrical assembly into a pyrotechnic composition comprised of magnesium, polytetrafluoroethylene, and fluorocarbon rubb... | 05/08/1979 |
| 4132171 | Apparatus for detonating an explosive charge A detonator having an open-ended metal jacket containing a small explosive charge remotely ignited through a pair of wires extending through one end of the jacket. The explosive charge projects toward one end of the jacket thereby forming an air gap betwe... | 01/02/1979 |
| 4130060 | Pyrotechnic devices The invention provides a pyrotechnic device comprising a casing containing an electrically-operable ignition device for igniting a charge, the ignition device comprising a base and an electric igniter head electrically connected to two spaced and mutually... | 12/19/1978 |
| 4106073 | Apparatus for igniting the match heads of electric detonators An apparatus for obtaining reliable ignition of the match heads of series-connected electric detonators, the apparatus including a dischargeable source of energy capable of supplying to the match heads sufficient energy to ignite the same and circuitry fo... | 08/08/1978 |
| 4006687 | Safe detonator device A detonator device comprising an initiator located in contact with an insensitive liquid component of a two-component liquid explosive composition in a container, the container having ullage space for the subsequent addition of a second liquid component, ... | 02/08/1977 |
