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| Number | Title | Issue Date |
| 7152874 | Gas generator for air bag and air bag apparatus A gas generator for an air bag is provided with a porous tube member, in which a portion opposing the ejecting direction of a flame and the like generated due to an activation of an ignition unit stored in an inner cylindrical member is formed as a flame-preventing ... | 12/26/2006 |
| 7112752 | System and method to delay activation of a powered device A system and method for delaying the activation of a powered device, such as a battery powered device. The activation of the device is triggered by contact with a particular environmental characteristic encountered by the device. For example, the system can be confi... | 09/26/2006 |
| 7056401 | Priming mixture for cartridge primers for small firearms A priming mixture comprises aluminium silicate as the sensitizer, advantageously in a percentage higher than 10%, not exceeding 30% and preferably included between 15% and 25%. Combined with said sensitizer, the-mixture may further comprises a potassium compound, pr... | 06/06/2006 |
| 7047884 | Pyrotechnic initiator having output can with encapsulation material retention feature A pyrotechnic initiator is provided with an encapsulation material retention feature on the output can rather than on the header assembly. For example, the bottom of the output can of the pyrotechnic initiator may be swaged over the bottom of the header assembly and... | 05/23/2006 |
| 7028807 | Non-explosive acoustic source A non-explosive acoustic source utilizes the combustion of aluminum and water to generate an acoustic pulse. The operation of the non-explosive acoustic source relies on a water/aluminum reaction to generate a burst pressure. The source may be deployed as a single c... | 04/18/2006 |
| 6964287 | Non-toxic and non-corrosive ignition mixture A non-toxic and non-corrosive ignition mixture is created by combining the energy system and the pyrotechnic system. The energy system comprises a high explosive from the groups of nitroesters and nitramines and a senzibiliser of the type of tetrazene or derivatives... | 11/15/2005 |
| 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 |
| 6907827 | Pyrotechnic initiator having output can with encapsulation material retention feature A pyrotechnic initiator is provided with an encapsulation material retention feature on the output can, such as a swaged end or anchors. ... | 06/21/2005 |
| 6703578 | Exothermic reactions and methods Exothermic reaction mixtures are electrically ignited with a low cost foil strip of two conductive strips separated by a layer of insulation. One or more holes are formed in the ignitor to create shaped spark plasma on one side and a venting plasma on the... | 03/09/2004 |
| 6334394 | Propellant charge arrangement for barrel-weapons or ballistic drives A propellant charge arrangement for barrel-weapons or ballistic drives comprises a conventional core charge having an ignition system and a consolidated propellant surrounding the core charge and having its own high electrical energy ignition system which... | 01/01/2002 |
| 6318267 | Integrated circuit configuration and ignition unit An integrated circuit configuration, in particular for igniting a restraint device of a motor vehicle, has a capacitor and an ignition element. In this case, a porous region of a semiconductor layer forms a capacitor electrode, which is isolated from a fu... | 11/20/2001 |
| 6173650 | MEMS emergetic actuator with integrated safety and arming system for a slapper/EFI detonator An EFI (exploding foil initiator) or slapper detonator, including a explodable foil (or bridge), a flyer plate and a barrel plate having a movable barrier to close a barrel in a safety mode and for opening the barrel in an arming mode, wherein the movable... | 01/16/2001 |
| 5880534 | Sequencing system for variable level output inflators A sequencing system is provided for varying the output of an inflator in a vehicle safety restraint system. The inflator has a housing including at least one combustion chamber. Gas generant for producing an inflation gas is disposed in the housing. Ignit... | 03/09/1999 |
| 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 magazine; a bearing wire connected to ends of said electrode lead... | 12/08/1998 |
| 5431100 | Electric explosive tube initiation system In a system for connecting blasting caps to the initiation source, a redundant design structure provides a more reliable method of explosive initiation. This is accomplished by using a complete system from blasting control through the initiation line and ... | 07/11/1995 |
| 4497251 | Liquid-disabled blasting cap A liquid-disabled blasting cap, especially useful in oil well perforation assemblies, has a perforated cap shell and a porous tubular member, e.g., a ceramic, adjacent the perforations. An ignition charge is present in the bore of the porous tubular membe... | 02/05/1985 |
| 4441427 | Liquid desensitized, electrically activated detonator assembly resistant to actuation by radio-frequency and electrostatic energies An improved electrically actuated detonator for use in oil well perforation guns is described wherein a hermetically sealed donor explosive propels a plate through a barrel cavity into a vented open space to initiate an acceptor explosive. If the open spa... | 04/10/1984 |
| 4291623 | Binary electroexplosive device and method of assembly thereof Disclosed is a binary electroexplosive device including an explosive lead and a pyrotechnic explosive which may be selectively positioned to initiate the explosive lead upon combustion of the pyrotechnic material. The pyrotechnic material is contained in ... | 09/29/1981 |
| 4099464 | Shaped explosive charge casing A casing for a shaped explosive charge wherein an explosives container, a metal cavity liner and a stand-off element are joined together at their peripheral margins. The joint may be a metallurgical joint but may also advantageously be a water-destructibl... | 07/11/1978 |
| 4014264 | Combined igniter cap A combined igniter cap for electrical and nonelectrical ignition having an electrically conductive housing with a pole piece arranged therein. A first primer charge is arranged on a first side of the pole piece, and the pole piece being provided with a re... | 03/29/1977 |
| 3976012 | Arrangement for automatic switching in electric fuses for projectiles An automatic switching arrangement in electric fuses for projectiles which can be set on at least three different operational functions, for example proximity fuse function and inpact fuse function with two different sensitivities. The electric fuse compr... | 08/24/1976 |
| 3948177 | Self-disarming explosive cartridges An explosive cartridge for underwater shooting which is self-disarming in the event of underwater misfire, which includes a closed shell with main explosive charge therein, and a conduit as a primer well, extending closed end first into the shell for supp... | 04/06/1976 |
