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| Number | Title | Issue Date |
| 7798065 | Connector block with shock tube retention means and flexible and resilient closure member A connector block for retaining at least one shock tube in signal transfer relationship with a detonator. The connector block comprises a housing (2, 21) having a bore (4, 23) formed therein for receiving a detonator (6, 36) provided with a perc... | 09/21/2010 |
| 7661365 | Connector block configured to induce a bend in shock tubes retained therein The present invention provides for a connector block for retaining at least one shock tube in signal transmission relationship with the percussion-actuation end of a detonator. The connector blocks of the present invention comprise a slot (7, 26, 46, 64, 87) ... | 02/16/2010 |
| 7410049 | Diode cutoff and safe packaging system for detonating cord A block molded from a polymeric material has a through passageway to contain a percussive shock wave. Angularly related channels communicate with the containment passageway for receiving arcuate segments of detonation cord. Alignment of a plurality of blocks provide... | 08/12/2008 |
| 7367738 | Apparatus and method for releaseably joining elements The apparatus and method for releasably joining first and second elements according to the present invention include a retaining member mounted to one of the elements and a reshapeable tube near the retaining member. The reshapeable tube has at least two states, an ... | 05/06/2008 |
| 7360487 | Connector for perforating gun tandem A perforating gun connector comprising a first and second section connected together on one end. The two sections of the perforating gun connector that couple together are correspondingly tapered so that one end of one connector is tapered and fits into the correspo... | 04/22/2008 |
| 7322090 | Explosive tube removal device A explosive device is disclosed for collapsing an expansion-fit metal tube from within a hole of a metal plate of a boiler or the like. The device includes a connecting rod inserted into the tube and extending outwardly from top and bottom ends of the tube. The port... | 01/29/2008 |
| 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 |
| 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 |
| 7134375 | Visual assistance guide system for disrupter placement and method of use A visual assistance guide system for placement of a disrupter device for explosive ordinance disposal includes a checkerboard base and adhesive containing areas on the base. One of the adhesive containing areas is used to secure a disrupter device on the base. The c... | 11/14/2006 |
| 7127994 | Low shock separation joint Methods and apparatus are provided for a low shock separation joint. A first member couples to a first structure and includes surfaces to prevent separation under compressive and tensile force placed on the separation joint. A second member couples to a second struc... | 10/31/2006 |
| 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 |
| 7000545 | Multifunctional breaching apparatus Breaching apparatus including a housing constructed of a material that disintegrates upon explosion without significant amounts of fragments being given off, and an explosive element disposed in the housing capable of producing an explosive force sufficient for brea... | 02/21/2006 |
| 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 |
| 6892645 | Multiple independent penetrating electrode non-electric initiator tip Multiple independent penetrating electrode non-electric tips in which the electrodes are separated in a non-coaxial arrangement so as to generate a spark gap internal to the non-electric shock tube, with the electrodes being brought together inside of the shock tube... | 05/17/2005 |
| 6880465 | Accumulated detonating cord explosive charge and method of making and of use of the same An initiator (14c) for a secondary explosive receptor charge is provided by forming a length of detonating cord (14) into a helical coil containing a plurality of windings with a cut-off barrier provided by, e.g., a separating rib (46) be... | 04/19/2005 |
| 6868789 | Adaptor for securing a blasting cap initiator The present invention provides a two-part adapter for more securely holding a blasting cap initiator in place in a demolition or munitions device. This adaptor is an insert component, generally cylindrical in shape and having an inner diameter capable of surrounding... | 03/22/2005 |
| 6739265 | Explosive device with assembled segments and related methods A segmented explosive device capable of producing a shock wave front upon being exploded by a detonation impulse generated by a selectively operable control device and communicated to the explosive device by a transmission line coupled between the control device and... | 05/25/2004 |
| 6691621 | Ignition device for a propellant charge A propellant charge ignition device having one or more ignition means and incorporating one or more diffuser tube(s) extending through a part of the propellant charge. The structure permits a flame generated by the ignition means to be guided up to a prop... | 02/17/2004 |
| 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 |
| 6644203 | Explosive device and method of using such a device An explosive device (10) comprising: and explosive charge body (12) including an explosive charge and detonator (21); a housing (22) attached to the explosive charge body (12); and a length of electrical or non-electrical non-pyrotechnic firing line (26) ... | 11/11/2003 |
| 6584905 | Plated through-hole ignitor for detonation cord or shock tube In a system for igniting detonation cord or shock tube, a plated through-hole in printed circuit board is coupled to a circuit to have high voltage and high current applied to the plated through-hole. The end of the detonation cord or shock tube is passed... | 07/01/2003 |
| 6561101 | Explosive delay assembly An explosive delay assembly including a housing, the housing includes a continuous elongated sidewall surrounding a region bounded at one end by a top surface, the top surface including an aperture configured for accepting an end booster where the end boo... | 05/13/2003 |
| 6508176 | Accumulated detonating cord explosive charge and method of making and of use of the same An initiator (14c) for a secondary explosive receptor charge is provided by forming a length of detonating cord (14) into a helical coil containing a plurality of windings with a cutoff barrier provided by, e.g., a separating rib (46) between adjacent win... | 01/21/2003 |
| 6439099 | Explosive charges braided into a line charge assembly A line explosive charge attaching system connects individual explosive charges in line with a yarn structure having yarns interlocked in a braided structure to cover and position several individual explosive charges together.... | 08/27/2002 |
| 6439121 | Perforating charge carrier and method of assembly for same A tubular charge holder assembly for a perforating gun made of a tube having a plurality of pairs of diametrically opposed openings. The pairs of openings are formed over a length of the tube, wherein the each pair has a larger and a smaller opening. A sh... | 08/27/2002 |
| 6425332 | Low-energy shock tube connector system A shock tube connector system comprises a substantially cylindrical detonator having a longitudinal axis a block body receiving the detonator therein, and an end cap. The detonator includes an axisymmetric exterior shell including a cylindrical main secti... | 07/30/2002 |
| 6397752 | Method and apparatus for coupling explosive devices A gun system in one arrangement includes a first carrier including a detonating cord and a second carrier including a detonating cord. An adapter couples the first and second carriers, with the adapter including an explosive coupled to the detonating cord... | 06/04/2002 |
| 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 |
| 6349648 | Detonator for shock tube connector system A shock tube connector system comprises a substantially cylindrical detonator having a longitudinal axis a block body receiving the detonator therein, and an end cap. The detonator includes an axisymmetric exterior shell including a cylindrical main secti... | 02/26/2002 |
| 6305287 | Low-energy shock tube connector system A shock tube connector system comprises a substantially cylindrical detonator having a longitudinal axis a block body receiving the detonator therein, and an end cap. The detonator includes an axisymmetric exterior shell including a cylindrical main secti... | 10/23/2001 |
| 6295912 | Positive alignment insert (PAI) with imbedded explosive Redundant explosive transfer between two explosive carrier devices is accomplished by inserting into a transfer sub or gun head a non-moveable explosive means for receiving the detonating cord which, at its first end, establishes a gap from an adjacent po... | 10/02/2001 |
| 6196131 | Shock tube initiator tip encased in a non-conductive material The present invention provides a non-electric initiator tip for use with a non-electric shock tube initiation device. The initiator tip of the present invention comprises an inner electrode, an outer electrode, and a conductive component electrically coup... | 03/06/2001 |
| 6182573 | Grenade attachment system Provided are systems for attaching one or more explosive device(s) to a flexible linear support, related methods and devices, and methods of using the charge assemblies thus produced.... | 02/06/2001 |
| 6123025 | Low noise, low shrapnel detonator assembly for initiating signal transmission lines A detonator assembly is provide which increases versatility, reliability and safety by initiating any amount of signal transmission lines up to about 8 without emitting excessive noise or shrapnel which can cause cut off or safety hazards. The detonator a... | 09/26/2000 |
| 6112666 | Explosives booster and primer The invention relates to an explosives booster (1) which can substantially enclose a detonator (2) and which comprises an integral fastening means (10) for positive retention of non-electric tubing (3) attached to the detonator (2). The primer formed by t... | 09/05/2000 |
| 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 |
| 5876063 | Vehicular safety device A vehicular safety device for actuation of an occupant restraint means includes a cylinder tube having an axis, a cylinder wall with an outer envelope surface and a through-opening in the cylinder wall, a pyrotechnical gas generator material disposed in t... | 03/02/1999 |
| 5837925 | Shaped charge retainer system An apparatus and method for retaining shaped charges. A foam core having charge carrying recesses can be constructed from a single piece or from multiple sections. Shaped charges are insertable within the foam core recesses so that the shaped charges are ... | 11/17/1998 |
| 5792975 | Connector block having detonator-positioning locking means A connector block (10) for connecting signal transmission lines in a blast initiation system includes a body member (12) having a channel (18) formed therein for receiving and retaining a detonator (20). A locking member (28) is mounted on the body member... | 08/11/1998 |
| 5763816 | Explosive primer An explosive primer designed for use with a fuse cord and an initiating device. The primer consists of a container, which holds the explosive, and a cap received on the open end of the container. The container has two lateral opposing cord tunnels which r... | 06/09/1998 |
