Matches 1 - 50 out of 228 1 2 3 4 5 >
Match Document Document Title
7621221 Double explosively-formed ring (DEFR) warhead  
A warhead configuration for forming a hole through a wall of a target, the warhead configuration comprising a charge of explosive material and a liner. The charge has an axis and a front surface....
7600476 Geometric/mechanical apparatus to improve well perforator performance  
Shaped charges that generate fan-like jets can produce slotted holes in rock formations. A shaped charge includes a case having on open front end, an external surface and a longitudinal axis, all...
7581498 Injection molded shaped charge liner  
A shaped charge liner formed by injection molding, where the liner components include powdered metal and organic binder. The liner components are blended then processed within an injection molding...
7547345 High performance powdered metal mixtures for shaped charge liners  
A liner ( 18 ) for a shaped charge ( 10 ) that utilizes a high performance powered metal mixture to achieve improved penetration depths during the perforation of a wellbore is disclosed. The high...
7546806 Selectable output well perforator and method for producing variable hole profiles  
Various shaped charges and methods of operation produce multiple jets in various profiles by employing multiple initiation points to address various earthen formations and producing different types...
7536956 Linear shaped charge system  
An elongate explosive charge element ( 25 ), said explosive charge element ( 25 ) including a flexible frangible cutting sheet ( 26 ) and an explosive agent ( 27 ) said charge element ( 25 )...
7513198 Super compressed detonation method and device to effect such detonation  
A method and apparatus are provided for detonation of a super-compressed insensitive energetic material by cylindrical implosion followed by an axial detonation to a detonation velocity several...
7434514 Ignition device for explosive charge or pyrotechnic composition  
The invention relates to an ignition device for an explosive charge or pyrotechnic composition. This device comprises at least two ignition means connected to a power source. It is characterized in...
7360488 Single phase tungsten alloy  
A single phase metal alloy usually for forming a shaped charge liner for a penetrating jet or explosively formed penetrator forming warhead consists essentially of from a trace to 90%, by weight,...
7340025 Plasma antenna generator and method of using same  
A plasma antenna generator includes a ceramic portion including an ionizable material, an explosive charge adapted to project at least part of the ceramic portion upon detonation at a velocity...
7278354 Shock initiation devices including reactive multilayer structures  
The invention provides shock initiation devices comprising multilayer structures with constituent layers that undergo an exothermic self-propagating reaction once initiated by shock. The multilayer...
7278353 Reactive shaped charges and thermal spray methods of making same  
Shaped charge liners are made of reactive materials formed by thermal spray techniques. The thermally sprayed reactive shaped charge materials have low porosity and high structural integrity. Upon...
7261036 Shaped charge liner  
A liner for a shaped charge having a composition comprising greater than 90% by weight of powdered tungsten and up to 10% by weight of powered binder, the composition being formed into a...
7237486 Low debris perforating gun system for oriented perforating  
Disclosed herein is a shaped charge assembly for use in a perforating gun. The shaped charge assembly includes a shaped charge combined with a longitudinal spine extending along a portion of a...
7174834 Explosive shell having improved resistance to shocks  
An explosive shell comprising a fusible explosive load placed in a casing incorporating an opening, such shell comprising shimming means placed in the vicinity of the shell opening, such shimming...
7150231 Active part  
An active part of an ammunition device. A casing is provided with a sleeve in association with an opening of the casing. A sprung device is arranged between a locking device arranged at the opening...
7086629 Severance of polycarbonates and polycarbonate laminates with linear shaped charge  
The present invention involve a method for severance of materials made of polycarbonate, polycarbonate laminate and aciylic/polycarbonate laminate, a canopy fracturing system and a conopy having...
7073448 Shaped charge tubing cutter  
A shaped charge tubing cutter includes a minimal contact suspension to isolate the cutter explosive from the housing and sub structure. A charge detonation booster main-cavity is located on the...
7036432 Explosive round with controlled explosive-formed fragments  
The invention provides an explosive round that produces fragments propelled by jetting effect, the round consisting in a firing head, an explosive charge, a fragment generating wall in direct...
7011027 Coated metal particles to enhance oil field shaped charge performance  
A liner for a shaped charge comprising powdered heavy metal tungsten coated with a metal binder coating compressively formed into a liner body. Each of the powdered heavy metal particles are...
6983698 Shaped charge explosive device and method of making same  
A shaped charge explosive device which includes an axially symmetric body of explosive material, a liner lining the forward end of the body, and a detonator disposed at the bottom of the body. The...
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...
6962634 Low temperature, extrudable, high density reactive materials  
A reactive material for use as a reactive liner in penetrating (shape-charge) warheads and for use in reactive fragments in fragmenting warheads is disclosed. The reactive material comprises an...
6959893 Light fighter lethality seeker projectile  
A projectile comprises an imaging seeker at a front of the projectile; a front warhead behind the imaging seeker; a power supply; an electronics unit connected to the power supply and comprising a...
6899032 Device to enable targets to be combated by a shaped charge function  
A device arranged to enable the engagement of targets ( 5 ) by means of a shaped charge function. An ammunition unit is arranged to operate with at least two configuration modes where in the first...
6792866 Circular shaped charge  
A circular shaped charge and methods of manufacture, shipping and assembly. An circular shaped charge is manufactured as two separate charge halves, upper and lower, and a separate continuous liner...
6786157 Hollow charge explosive device particularly for avalanche control  
A shaped charge explosive device ( 10 ) comprising an explosive charge body including an explosive charge ( 18 ) defining a cavity particulate material ( 44 ) dispersible by the explosive charge...
6758143 Warhead configuration  
A warhead configuration for forming a large-diameter hole through a wall of a target includes a shaped charge of explosive material presenting an annular front surface portion circumscribing an...
6679175 Cartridge and method for small charge breaking  
The present invention is directed to a cartridge that includes a number of advantageous features. For example, the cartridge can include a bulk energetic material, an igniter located in a central...
6634300 Shaped charges having enhanced tungsten liners  
A liner for a shaped charge formed from a mixture of powdered heavy metal and a powdered metal binder. The liner is formed by compression of the mixture into a liner body. In one embodiment of the...
6615736 Priming device for an explosive charge and shaped charge incorporating such a priming device  
The invention relates to safety priming device for an explosive charge, notably a shaped charge, comprising a pyrotechnic igniter and at least one igniting relay placed between the igniter and an...
6609464 Severance of polycarbonates and polycarbonate laminates with linear shaped charge  
A method for severance of materials made of polycarbonate, polycarbonate laminate and acrylic/polycarbonate laminate utilizes a linear shaped explosive charge placed at a predetermined distance or...
6606950 Method and apparatus for positioning a shaped charge  
A method and apparatus for positioning a shaped charge for destroying land mines and unexploded ordnance utilizes one or more pins secured to a shaped charge. In one embodiment, an outer body made...
6588344 Oil well perforator liner  
A shaped charge apparatus having an improved liner for a shaped charge constructed from a combination of powdered metal and selected polymer material. Powdered heavy metal and polymer binder is...
6530326 Sintered tungsten liners for shaped charges  
A method of producing a liner for a shaped charge comprising mixing a composition of powdered metal with plasticizers and binders to form a paste. The paste is then particulated and injected into...
6499406 Blasting apparatus for forming horizontal underground cavities and blasting method using the same  
Disclosed herein is a blasting apparatus for forming horizontal underground cavities and blasting method using the same. The blasting apparatus includes a metallic body horizontally formed through...
6477959 Wall breaching warhead  
A wall breaching warhead 10 for forming a hole through a brick wall includes a shaped charge 12 of explosive material having a central axis 14 . The front surface of shaped charge 12 ...
6474240 Device and process to attach a priming system to the body of a grenade  
A system for attaching a priming system onto the body of a grenade, including a support integrally fastened to the grenade body and incorporating a thin cylindrical wall whose upper edge is crimped...
6453817 Shaped charge capsule  
A shaped charge capsule includes an open-ended casing and a ring. The casing is adapted to house an explosive, and the casing includes a shoulder to receive a cap to close the casing. A rim of the...
6453788 Device for eliminating means of combat  
To remove means of combat such as mines and unexploded ordnance increasing use is made of hollow charges. Inherent in these is the risk of triggering premature ignition since their liners contain...
6446558 Shaped-charge projectile having an amorphous-matrix composite shaped-charge liner  
A shaped-charge projectile includes a container in the form of a hollow shell elongated parallel to a projectile axis, with the container having a front end and a back end. A shaped-charge liner is...
6443068 Ammunition body, a method for inserting, and its use  
Hollow charges are often used for combating moving, lightly armored targets and do not fulfill their task due to relatively small effective charges which arrive at the target. When using blasting...
6393991 K-charge—a multipurpose shaped charge warhead  
A multipurpose warhead utilizes a shaped charge device with a shaped charge liner having an included angle in excess of 70° sealing an internal cavity that contains an explosive. A detonatior...
6386109 Shock barriers for explosives  
An apparatus and method is provided to reduce interference resulting from activation of explosive devices. One type of interference is charge-to-charge interference, and another type of...
6378438 Shape charge assembly system  
Shaped charge assembly for use as part of a perforating gun, particularly, channel finder gun. The shaped charge assembly includes a charge is configured to produce a jet which is substantially...
6349649 Perforating devices for use in wells  
The perforating device for use in completing a well includes a case, an explosive charge contained in the case, and a generally bowl-shaped liner. The liner is positioned adjacent the explosive...
6269725 Fluid-filled bomb-disrupting apparatus and method  
An apparatus and method for disarming improvised bombs are disclosed. The apparatus comprises a fluid-filled bottle or container made of plastic or another soft material which contains a fixed or...
6223656 Pressure enhanced penetration with shaped charge perforators  
A downhole tool, adapted to retain a shaped charge surrounded by a superatmospherically pressurized light gas, is employed in a method for perforating a casing and penetrating reservoir rock around...
6220166 Apparatus and method for producing fragment-free openings  
An apparatus and method for explosively penetrating hardened containers such as steel drums without producing metal fragmentation is disclosed. The apparatus can be used singularly or in...
6209457 Method and preformed composition for controlled localized heating of a base material using an exothermic reaction  
A method and an exothermic composition for controlled localized heating of a base material, said composition comprising an exothermic mixture material, a binder material, and optional filler and...
Matches 1 - 50 out of 228 1 2 3 4 5 >