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| Number | Title | Issue Date |
| 7926423 | Single-step contact explosive device for breaching reinforced walls and method of use therefor A lightweight man-packable system for breaching in a single application reinforced structure such as steel reinforced concrete (SRC) walls. Embodiments comprise two explosive charge arrays installed in a housing that is abutted against a wall using either studs or p... | 04/19/2011 |
| 7197981 | Projectile A projectile, having a casing, a projectile base, which closes off the casing at the rear, a receiver coil for receiving electromagnetic signals, an energy source, brought into contact with the receiver coil, and a logic module. The casing is made of a plastic mater... | 04/03/2007 |
| 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 |
| 6736069 | Method for generating energy by using exothermic reaction of metal Disclosed herein is a method for generating energy by using exothermic reaction of metal, comprising the steps of reacting an oxidant containing mostly water with combustion substances mainly containing light metals to generate hydrogen; reacting generated hydrogen ... | 05/18/2004 |
| 6708619 | Cartridge shell and cartridge for blast holes and method of use A cartridge shell 10 comprises a main body 12 defining a volume 14 for holding energetic material. The main body 12 has a first end 16 for location adjacent a toe 48 of a hole 46 and a second end 18 directed to... | 03/23/2004 |
| 6591731 | Method and apparatus for penetrating hard materials using a energetic slurry A method and apparatus for drilling and penetrating hard materials utilizes a high velocity gun system that fires multiple shots of a projectile and an energetic slurry at the surface of the material to be penetrated. The penetrating device includes one o... | 07/15/2003 |
| 6405628 | Method and apparatus for penetrating hard materials A method and apparatus for drilling and penetrating hard materials utilizes a high velocity gun system that fires multiple shots of a projectile and an energetic slurry at the surface of the material to be penetrated. The penetrating device includes one o... | 06/18/2002 |
| 6214140 | Development of new high energy blasting products using demilitarized ammonium picrate As has been established, the use of energetic materials, generated by manufacturer's excess and/or demilitarization projects, as ingredients in commercial blasting explosives is a feasible and environmentally acceptable method of handling them. Ammonium p... | 04/10/2001 |
| 5003880 | Process for the impact healing of inner discontinuities or defects in the sub-surface region of a cast component A process for the impact healing of inner discontinuities or defects in the surface area of a cast workpiece where the defects are localized comprises locating an explosive charge on the surface of the workpiece over the inner discontinuities or defects a... | 04/02/1991 |
| 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 |
| 4974671 | Down-hole seismic source with containment The invention relates to a down-hole seismic source with containment. The seismic source comprises a source body (1) supporting an explosive test charge (SE). The source body (1) is constituted by a hollow cylinder and the outside surface of the cylinder ... | 12/04/1990 |
| 4942800 | Process for the manufacture of explosive cartridges, and explosive cartridges obtained using the said process A process for the manufacture of an explosive cartridge in a tubular casing, including mixing a solution containing hydrogen peroxide, an oxidizable organic material, and at least one precursor monomer of a gelling agent; and reacting the at least one pre... | 07/24/1990 |
| 4485741 | Booster container with isolated and open cord tunnels A booster container is used to hold a primary charge useful for detonating cap insensitive explosives, such as ammonium nitrate. The container includes a pair of cord tunnels which may be used in various combinations to detonate the primary charge with ei... | 12/04/1984 |
| 4433625 | Blow molded dynamite tube A molded plastic dynamite tube with an air ventillation hole is defined by a recess within the lower portion of the tube. The vent hole is formed by air pressure inside the tube during the molding process. The plastic blown out of the recess to define the... | 02/28/1984 |
| 4319527 | Blasting charge for a blast actuated high-voltage power switch An improved blasting charge for a blast-actuated high voltage power switch is provided which contains at least one electrically combustible detonator and one blasting powder, the blasting powder containing a compound which forms electro-negative gases upo... | 03/16/1982 |
| 4194789 | Staggered array of explosives for fragmented oil shale formation toward a vertical free face Oil shale formation is explosively expanded toward a limited void volume for forming an in situ oil shale retort in a subterranean formation containing oil shale. In one embodiment, a void in the form of a vertical slot is excavated within a retort site, ... | 03/25/1980 |
| 4192554 | Method for explosive expansion toward horizontal free faces for forming an in situ oil shale retort Formation is excavated from within a retort site in formation containing oil shale for forming a plurality of vertically spaced apart voids extending horizontally across different levels of the retort site, leaving a separate zone of unfragmented formatio... | 03/11/1980 |
| 4165690 | Drill units for drilling and charge laying operations and method of carrying out the operations The invention provides for a drill unit for drilling and charge laying operations and is suitable for operation on land or underwater. The drill unit comprises a rock drill mounted on a frame structure on a gantry and drill steels and casing members locat... | 08/28/1979 |
| 4131064 | Tagging particles which are easily detected by luminescent response, or magnetic pickup, or both Small particles for tagging of objects to be identified comprise luminescent material plus other material which provides information indicia for tagging purposes. Included in the tagging particles are very small particles of magnetic material which is ref... | 12/26/1978 |
| 4042280 | Method of breaking up objects Method of breaking up objects, particularly concrete, blocks of rock, machines, and motors, and an installation for carrying out the method.... | 08/16/1977 |
| 4033264 | Explosive cartridge Processes whereby water based explosive compositions comprising inorganic oxygen releasing salt material and a synthetic polymeric gelling agent may be converted to a cartridged form and wherein the cartridge container is based on paper are described. The... | 07/05/1977 |
| 4023494 | Explosive container A container capable of withstanding pressures having a longitudinal cord-receiving groove and a detonator-receiving groove formed as integral parts of the container. Radially projecting, substantially deformable, grooves are formed on the container at its... | 05/17/1977 |
| 3942606 | Method of land seismic exploration using flexible tubes This invention relates to a land seismic exploration method and apparatus employing a plurality of elongated tubes each having a flexible wall for containing a volume of liquid explosive therein. Each tube is adapted to be detachably connected to either a... | 03/09/1976 |