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| Number | Title | Issue Date |
| 7752972 | Low reaction rate, high blast shaped charge waveshaper A shaped charge warhead having a longitudinal axis includes a casing; a liner disposed in the casing; an explosive disposed behind the liner; a wave shaper disposed in the explosive, the wave shaper comprising a low reaction rate high blast reactive material; and a ... | 07/13/2010 |
| 7273011 | Structure of a projectile A projectile casing is designed to insure proper operation of the charges located therein. The charges are spaced by spacer tubes constructed such that the tubes are dispersed radially after the detonation of the preliminary charge without adversely affecting the ef... | 09/25/2007 |
| 7240601 | Projectile and method for sealing a projectile in a barrel A barrel assembly for a weapon, said barrel assembly including a barrel; a plurality of projectile assemblies axially disposed in end to end abutting relationship within said barrel for operative sealing engagement with the bore of the barrel, each projectile includ... | 07/10/2007 |
| 7228907 | High energy gas fracturing charge device and method of use A high energy gas fracturing device, adapted to be lowered into a well. The device comprises a closed tube made of strong material, sized to fit into the well and having at least one sidewall, which defines a set of openings. A set of closure elements seal the openi... | 06/12/2007 |
| 7093541 | Enhancement of solid explosive munitions using reflective casings A solid explosive munition casing for an explosive charge, the inner surface of the casing including a material that is highly reflective in the optical and infrared spectrum. Through this reflectivity, electromagnetic radiation generated by the detonation process i... | 08/22/2006 |
| 6966263 | Low-cost, no-fragment explosive access tool for soft metal containers The invention comprises a device that uses a flexible material, preferably in a mostly square shape. An explosive charge, usually in the form of a sheet of explosives, is cut to fit on the top side of the flexible material. A cutting plate, having orthogonal grooves... | 11/22/2005 |
| 6925924 | Method and apparatus to improve perforating effectiveness using a unique multiple point initiated shaped charge perforator A non-linear shaped charge perforator for use in perforating an oil and gas formation into which a wellbore has been drilled comprises a monolithic, axisymmetric metal case in which is disposed a main explosive charge between the front of the case, which is closed w... | 08/09/2005 |
| 6865990 | Low-cost, no-fragment explosive access tool The invention comprises a device that uses a flexible material, preferably in a mostly square shape, having substantially orthogonal grooves scored into one side. An explosive charge, usually in the form of a sheet of explosives, is cut to fit the side opposite the ... | 03/15/2005 |
| 6817297 | Low-cost, no-fragment explosive access tool The invention comprises a device that uses a flexible material, preferably in a mostly square shape, having substantially orthogonal grooves scored into one side. An explosive charge, usually in the form of a sheet of explosives, is cut to fit the side opposite the ... | 11/16/2004 |
| 6584908 | Device for the disruption of explosive objects A disrupter has a plastic box 1 with three semi-cylindrical plastic formers 2 each with a bag 4 containing water. Sheet explosive 13 is applied to the back of the formers. Bags 4 may be filed with materials other than water, for example decontaminent e.g.... | 07/01/2003 |
| 6523474 | Shaped recesses in explosive carrier housings that provide for improved explosive performance A carrier for containing explosives (e.g., shaped charges) includes a housing having a plurality of recesses, each recess having a periphery and a side surface extending around the periphery. The side surface is shaped to a geometry to reduce or control r... | 02/25/2003 |
| 6167811 | Reverse initiation device A shaped charge explosive device for defeat of advanced armor is presented. In operation, a conically capped hemispherical liner is collapsed in reverse sequence. Detonation of the base of the hemisphere, done earlier in sequence, produces a thick massive... | 01/02/2001 |
| 6021714 | Shaped charges having reduced slug creation A shaped charge for use in perforating formation adjacent a wellbore includes a liner having a substantially non-conical shape (also referred to as bowl-shaped). The liner has first and second layers, with a first layer contacting the main explosive charg... | 02/08/2000 |
| 6016753 | Explosive pipe cutting An explosive material-energized plasticized metal slug cutter for use within tubular cylinders, or pipe or similar structures-especially in buried or otherwise inaccessible locations is disclosed. The cutter includes explosive material initially disposed ... | 01/25/2000 |
| 5847312 | Shaped charge devices with multiple confinements A shaped charge device having at least a double confinement configuration d utilizing a standard shaped charge liner inserted into a hollow cavity in the inner explosive fill. The inner explosive fill is surrounded by an inner confining case which may be ... | 12/08/1998 |
| 5791821 | Shaped-charge cutting device for piles and underwater tubular members The invention relates to a device for severing tubular members, such as piles of an offshore platform. The device is incorporated into a platform pile as one of the sections of the pile and is deployed below a mudline during installation of the pile. A sh... | 08/11/1998 |
| 5792977 | High performance composite shaped charge A shaped charge for efficiently transferring energy from an explosive material to generate a deep penetrating jet. The shaped charge liner is formed with a hemispherical first section combined with an elongated second section. The liner second section can... | 08/11/1998 |
| 5526752 | Weapon for destruction of deeply buried and hardened targets A projectile which includes multiple warheads separated one from another within a casing, each warhead having its own independent detonator. The warheads are arranged in spaced relationship along the longitudinal axis of the casing, and the detonators are... | 06/18/1996 |
| 5509357 | Dual operating mode warhead A dual operating mode warhead comprises a generally cylindrical explosive charge having a longitudinal axis and an outer peripheral surface extending between front and rear facing initiation surfaces. A front detonator initiates peripheral detonation of t... | 04/23/1996 |
| 5505136 | Core-generating charge with means for correcting entrainment rotation effects The invention relates to warheads including a core-generating charge and rotating about an axis which is not the charge axis. In front of the coating of the charge is positioned a wedge with a straight or curved triangular cross section, for slowing down ... | 04/09/1996 |
| 5450794 | Method for improving the performance of underwater explosive warheads A solid explosive charge is provided with plural detonators on its outer surface at locations from which divergent shock waves simultaneously emerge for movement inwardly of the explosive body. Such shock waves form an uninterrupted wave front enclosing a... | 09/19/1995 |
| 5353709 | Method for improving the mechanical stressability of ammunition bodies with shaped charges A method is described for improving the mechanical stressability of ammunition bodies, particularly shaped charges, which are highly accelerated and/or subjected to shock waves by coating the contacting portion of the cavity. In a first step of the method... | 10/11/1994 |
| 5349908 | Explosively forged elongated penetrator An explosively forged elongated penetrator including a liner having a central section, an intermediate section and a peripheral section; the axial velocity of the sections being approximately equal; the axial thicknesses of the sections decreasing from th... | 09/27/1994 |
| 5259317 | Hollow charge with detonation wave guide A warhead having hollow charge, such as a bomblet as well as a large caliber armor-piercing projectile has an improved detonation wave guide arrangement which preferably produces a high pyrophoric effect at target impact. The detonation wave guide itself ... | 11/09/1993 |
| 5253585 | Explosive pipe crimping method and devices A main charge of explosive is positioned symmetrically about a passageway-forming tubular member, such as a well pipe assembly. The charge is outwardly and radially spaced from the member and is coupled thereto by a dense medium, such as soil, which is ad... | 10/19/1993 |
| 5243914 | Caseless ammunition This invention deals with case-less ammunition, the propelling element of which has increased solidity. This increase in solidity is achieved by virtue of the fact that the propelling charge is firmly enveloped in a fabric. The fabric may consist of compl... | 09/14/1993 |
| 5175391 | Method for the multimaterial construction of shaped-charge liners A shaped charge device having a cylindrical housing, an explosive charge with a cavity at one end, a fuze, booster, a multimaterial vertically layered liner having a hemispherical, semi-hemispherical, arcuate or conical shape with a number of segments of ... | 12/29/1992 |
| 5090324 | Warhead A warhead (10') which includes a shaped or projectile forming charge in the form of a liner (14) of a multi-phase metallic material or a metal-metal laminate. To prevent the liner (14) from being destroyed by the incoming shock wave and make impossible th... | 02/25/1992 |
| 5010823 | Linear propelling separator This invention relates to an elongated flexible housing containing coexteve explosive and propellant charges. The housing is adapted to be attached to a structure to be severed and the parts separated. The explosive charge is a shaped-charged for first s... | 04/30/1991 |
| 4987818 | Shaping apparatus for an explosive charge The invention provides shaping apparatus for an explosive charge, particularly for use with plastic explosive in forming shaped charges. The shaping apparatus comprises a hollow cylindrical body (1), a substantially conical partition (2) within said body ... | 01/29/1991 |
| 4955939 | Shaped charge with explosively driven liquid follow through Disclosed is a non-fragmenting explosive device for perforating a target injecting a material through the perforation to disrupt structure behind the target. The device is particularly adapted to safely disarm unexploded explosive devices such as bombs ... | 09/11/1990 |
| 4942819 | Hollow charge Hollow charge with a jet-forming lining or cover, in particular for producing a channel for a follow-through projectile in take-off runways, roadways or other stationary ground targets. A projectile-forming inert material is located between an initiator p... | 07/24/1990 |
| 4901619 | Shaped charge with barrier produced in situ In the inventive shaped charge, the main charge and the propagating charge are held together solely by the barrier. This union is possible (and is distinguished by pronounced freedom from flaws) because the barrier is produced directly in the cavity in wh... | 02/20/1990 |
| 4896609 | Planar shock wave generator and enhancer device An explosive planar shock wave generator produces a planar wave that trav down a shape charge cone to give amplified force on the jet. In all embodiments radial waves are converted to planar waves which react with an explosive shape charge. A planar wave... | 01/30/1990 |
| 4878432 | Multistage kinetic energy penetrator A hypervelocity kinetic energy projectile has multiple penetrator stages gitudinally stacked one onto the other which separate and fly independently of one another during the projectile's flight. Connecting rods passing through and interconnecting each p... | 11/07/1989 |
| 4875414 | Explosive charge with a projectile-forming metallic insert An explosive charge with a projectile-forming metallic insert which, essentially, possesses the configuration of a spherically-curved dish. The insert should be constituted of a body from a single-crystal. Pursuant to a modification, in an explosive charg... | 10/24/1989 |
| 4862804 | Implosion shaped charge perforator An implosion shaped charge device for jet perforating. In its overall concept, the implosion shaped charge perforator comprises a liner of implosive geometry, a primary explosive contiguous to the liner for providing implosion impulse to such and means fo... | 09/05/1989 |
| 4860655 | Implosion shaped charge perforator An implosion shaped charge device for jet perforating. In its overall concept, the implosion shaped charge perforator comprises a liner of implosive geometry, a primary explosive contiguous to the liner for providing implosion impulse to such and means fo... | 08/29/1989 |
| 4841864 | Controlled explosively formed penetrator A method and apparatus for controlling the final shape of an explosively formed penetrator, in which a liner is explosively accelerated to high velocity to impact upon a mandrel and form a penetrator whose final shape, surface and mass distributions about... | 06/27/1989 |
| 4829901 | Shaped charge having multi-point initiation for well perforating guns and method An improved shaped charge is provided for well perforating guns utilized in hydrocarbon recovery operations. An increased diameter entry hole through the casing may be formed by the shaped charge, which is particularly beneficial when perforating gravel p... | 05/16/1989 |
