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| Number | Title | Issue Date |
| 8061273 | Tubular signal transmission device and method of manufacture A signal transmission tube may be made by disposing a reactive polymeric material within a confinement tube and leaving a portion of the tube interior unoccupied. The tube may be formed by disposing a layer of paint comprising the reactive polymeric material on the ... | 11/22/2011 |
| 7434515 | Signal transmission fuse A small diameter shock tube of unique internal surface configuration such that the powder loading per meter of tubing can be higher than achieved with conventional shock tube. The outside diameter of the tube is less than 0.10″, preferably 0.085″ with inner and ... | 10/14/2008 |
| 7421949 | Rapid deflagrating cord (RDC) ordnance transfer lines A novel transfer ordnance line and novel end fittings for the transfer line for use in space vehicles, aircraft, missile systems and other military applications. The transfer line is a Rapid Deflagrating Cord (RDC) hermetically encapsulated in a metal tubing. The me... | 09/09/2008 |
| 7350448 | Perforating apparatus, firing assembly, and method A firing assembly for activating a perforating device comprising a module having a first chamber and a second chamber. The firing assembly comprises a firing head for transferring ballistic energy to the perforating device, said firing head having a detonator and a ... | 04/01/2008 |
| 7284489 | Casing conveyed well perforating apparatus and method Disclosed is a device and method for externally perforating a well-bore casing. The perforating apparatus is attached to the outside of the casing itself and is conveyed along with the casing when it is inserted into the well bore. The perforation is accomplished us... | 10/23/2007 |
| 7284601 | Casing conveyed well perforating apparatus and method Disclosed is a device and method for externally perforating a well-bore casing. The perforating apparatus is attached to the outside of the casing itself and is conveyed along with the casing when it is inserted into the well bore. The perforation is accomplished us... | 10/23/2007 |
| 7246558 | Rapid deflagration cord (RDC) ordnance transfer lines A novel transfer ordnance line and novel end fittings for the transfer line for use in space vehicles, aircraft, missile systems and other military applications. The transfer line is a Rapid Deflagration Cord (RDC) hermetically encapsulated in a metal tubing. The me... | 07/24/2007 |
| 7216777 | Liquid dispensing system using color-coded visual indicia A liquid dispensing system and methods including color-coded visual indicia to assist an operator in the proper selection of the components and in the configuration of those components in the system during setup, maintenance and diagnostics. Color-coded indicia is a... | 05/15/2007 |
| 7197985 | High-pressure explosive retention device An apparatus and method for reliably activating explosives includes providing one or more housing sections that define a sealed space. A first explosive element is provided in the sealed space, and a second explosive element has a first portion inside the sealed spa... | 04/03/2007 |
| 7100512 | Timed pyric chain apparatus, in particular for the ignition of pyrotechnical fireworks A timed pyric chain apparatus, particularly for the ignition of pyrotechnical fireworks includes a main conduit (2) for a retard fuse (16) the main conduit (2) having lateral branch conduits (5). The apparatus consists of coupled modular ... | 09/05/2006 |
| 7032789 | Solenoid using color-coded visual indicia in a liquid dispensing system A liquid dispensing system and methods including color-coded visual indicia to assist an operator in the proper selection of the components and in the configuration of those components in the system during setup, maintenance and diagnostics. Color-coded indicia is a... | 04/25/2006 |
| 6971673 | Tubular gas generator A gas generator comprises a tubular housing of a pressure-resistant material and a propellant strand incorporated in the housing. The propellant strand is provided with an envelope surrounding the propellant strand. The envelope is dimensionally stable and substanti... | 12/06/2005 |
| 6944990 | Window mounted automatic pet door A window mounted automatic pet door device having a pet-specific identification component whereby only authorized animals are permitted to access the pet door. The device includes an automatically operated interally sliding door to accommodate pet ingress and egress... | 09/20/2005 |
| 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 |
| 6834594 | Tubular gas generator A gas generator comprises a tubular housing of a pressure-resistant material and a propellant strand which is incorporated in the housing and provided with an envelope. At least one channel is provided between the envelope and the propellant strand so as to extend i... | 12/28/2004 |
| 6694886 | Rigid reactive cord and methods of use and manufacture The present invention provides a rigid reactive cord such as a detonating cord (10) that includes a core (38) of an energetic material and a rigid non-metal sheath (40) disposed about the core. The cord (10) is sufficiently rigid so that it can be inserte... | 02/24/2004 |
| 6688231 | Cord-type gas generator The invention relates to a cord-type gas generator, comprising a solid propellant strand (10) consisting of a gas-generating material, located in a sleeve (12) and a detonation element (18). The solid propellant strand (10) is positioned in the sleeve (12... | 02/10/2004 |
| 6647887 | Linear ignition fuze with shaped sheath A linear ignition fuze has a sheath, the inner surface of which has an irregular cross section such that the sheath is capable of forming a gas channel against a single strand core having a substantially circular (e.g. circular or elliptical) cross sectio... | 11/18/2003 |
| 6536798 | Controlling activation of restraint devices in a vehicle An apparatus for activating a selected one or more restraint devices located in a vehicle is provided. The apparatus reliably and inexpensively activates restraint devices upon the receipt of one or more appropriate signals. The apparatus includes a contr... | 03/25/2003 |
| 6467415 | Linear ignition system A linear ignition system for a metal-sheathed linear explosive including in one embodiment the ends of two metal-sheathed linear explosives are connected by a non-electrically conductive sleeve leaving a gap between the ends, and a Pyrofuze.RTM. bridge co... | 10/22/2002 |
| 6386085 | Method and apparatus for explosives assembly A method for assembling a blast initiation device is provided. The method comprises providing a length of signal transmission line having first and second ends, mounting a tag to the line and mounting a first detonator to the first end of the line wherein... | 05/14/2002 |
| 6382232 | Remote triggering system and retrofit kit for thermal-pressure relief devices A heat-responsive fuse cord is positioned in the proximity of a pressure vessel and is thermally coupled to a thermal-pressure relief device which is in communication with the pressurized contents of the vessel. When ignited the fuse cord burns to a therm... | 05/07/2002 |
| 6272996 | In-line initiator and firing device assembly An in-line initiator and firing device assembly includes a shock tube assembly. An in-line initiator is provided for initiating a shock wave along the shock tube assembly, and includes an end sleeve having a bore extending between input and output ends. A... | 08/14/2001 |
| 6247410 | High-output insensitive munition detonating cord A detonating cord has a core of highly brisant PBXN-8 explosive surrounded by an inner braided layer of polyamide yarn, a flexible sealing sleeve of silicone rubber coated with glue, and an outer braided layer of polyamide yarn adhered to the sealing slee... | 06/19/2001 |
| 6006671 | Hybrid shock tube/LEDC system for initiating explosives In a non-electric system for initiating explosives, a shock tube is initiated by the detonation of a low-energy detonating cord (LEDC) whose wall has been placed adjacent to an initiation-sensitive region of a thin membrane in the shock tube, or in a capp... | 12/28/1999 |
| 5864084 | Glow in the dark fuse and method for making same A glow in the dark firework device and a method for making same is disclosed. The firework device (10) includes a body (12) having an outer body surface (14), and a glow in the dark fuse (18) passing from the inner body surface (7) of body (12) to the out... | 01/26/1999 |
| 5827994 | Fissile shock tube and method of making the same An initiation signal transmission line tube (10a, 10b, 10', etc.), which is effective to transmit an initiation signal therethrough, contains one or more rupture lines (20a, 20b and 20c, etc.) in the tube wall. Rupture lines (20a, 20b and 20c, etc.), whic... | 10/27/1998 |
| 5721392 | Pyrotechnic ignition device The pyrotechnic ignition device of this invention comprises a hollow tubular coiled charge of pyrotechnic sheet material defining an ignition initiation position, the internal diameter of the charge decreasing and the wall thickness increasing over at lea... | 02/24/1998 |
| 5540154 | Non-pyrolizing linear ignition fuse Linear ignition fuse having an elongated core of non-detonating ignitive material, a longitudinally extending gas channel adjacent to the core for supporting an ignitive reaction which travels along the fuse, a frangible sheath of inorganic material surro... | 07/30/1996 |
| 5509355 | Low energy fuse and method of manufacture A low energy fuse is extruded as a single ply primary tube 1 from a plastic resin blend with particulate energetic material 2 being internally distributed in a manner known per se, said resin blend comprising a major amount of an orientable polymer, for e... | 04/23/1996 |
| 5473987 | Low energy fuse A non-electric low energy fuse comprises plastics tubing within which there is provided a core loading of mixed particles of a metal or quasi metal fuel and a secondary high explosive, wherein the core loading additionally contains up to 50% (w/w with res... | 12/12/1995 |
| 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 at least one element made from a shape-memory alloy having... | 02/15/1994 |
| 5277120 | Extended charge cartridge assembly A cartridge assembly for propelling a subcaliber penetrator through a gun tube which has a portion of the propellant charge contained in an annular cavity surrounding the sabot is disclosed. The annular cavity is defined by the scoop shaped front bourrele... | 01/11/1994 |
| 5225621 | Process for producing a jacketed fuse and fuse product A fuse having a protective jacket is utilized, for example, in petroleum exploration at large depths where the fuse must withstand high temperatures and pressures. The jacket is produced from a shrinkable hose that is shrink-fitted onto the unfinished cor... | 07/06/1993 |
| 5223664 | Flexible detonating cord A flexible non destructing detonating cord including an inner sheath (2) of 99.5% pure aluminium or silver which is drawn down to an outer diameter of 0.85 mm so as to compress an NHS explosive core (1) to a density of between 1.2 and 1.6 g/cc. The cord a... | 06/29/1993 |
| 5181737 | Safety apparatus for vehicle occupant A safety apparatus for a vehicle occupant comprises an airbag which inflates outwardly from a housing into a vehicle occupant compartment. An ignitable material for facilitating outward movement of the inflating airbag past a closure panel is supported by... | 01/26/1993 |
| 5101729 | Low energy fuse In a low energy fuse, the reactive composition on the inner wall of the tubing is substantially free of a metal fuel or quasi metal fuel and comprises a particulate secondary high explosive and a gas generating non-explosive particulate solid selected fro... | 04/07/1992 |
| 5020435 | Fuze A fuze suitable for connecting detonation initiation means to an explosive charge, such fuze having indicia thereon to indicate the length of the fuze. A method for charging a blasthole, using the unique fuze, is also disclosed.... | 06/04/1991 |
| 5005694 | System for packaging detonating cord for transport A detonating cord transport package wherein a continuous length of a metal jacket detonating cord is installed on a plurality of separator-support members such that the detonating cord is formed in a plurality of loops on each separator-support member wit... | 04/09/1991 |
| 5001981 | Signal transmission tube for initiation of explosives A plurality of discrete transmission tubes are held in axially extending juxtaposed relation by an outer sheath which coextensively covers the tubes. An axially extending line of weakness is formed along the length of the sheath. The transmission tubes ma... | 03/26/1991 |
