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| Number | Title | Issue Date |
| 7370565 | Apparatus for mixing explosive materials and for filling of ordnance Described herein is apparatus for the mixing of explosive materials utilising a static mixer (26) for combining pre-mix explosive material and hardener prior to introducing the combined mixture into any ordnance (38). ... | 05/13/2008 |
| 7294138 | Nose pack method and apparatus A medical device and method for treating nose bleeds are provided. The device includes packing material interconnected to a flange member. The packing material is insertable into a nasal cavity, for absorbing blood and other body fluids. The flange member prevents t... | 11/13/2007 |
| 7270470 | Feed extender for explosive manufacture A feed device extends the run time for manufacturing explosive materials. The feed device includes a feed hopper for retaining processing materials where the feed hopper includes an access at the top of the feed hopper for inputting processing materials and an exten... | 09/18/2007 |
| 7258054 | Continuous explosive charge assembly for use in an elongated cavity A method and apparatus for placement of continuous pre-split, gel explosive in an elongated borehole or cavity. An anchor is attached to one end of a selected length of continuous gel explosive. A suitable anchor is a flexible, plastic “pilgrim's hat” with a hol... | 08/21/2007 |
| 7204164 | Apparatus for testing powder properties The powder analytical apparatus of the invention includes a hopper that is connected to a controllable agitator by a separable link. The hopper has an exit port at its lower end that is at an acute angle to the axis of the hopper. A planar gate is mounted parallel t... | 04/17/2007 |
| 7150855 | Pelletized nitrocellulose (PNC) manufacture and long term storage A method of making pelletized nitrocellulose (PNC) includes preparing a lacquer, the lacquer comprising nitrocellulose (NC), ethyl acetate and ethyl centralite, the NC having a nitrogen content of at least about 12.2%; mixing the lacquer with an antisolvent to there... | 12/19/2006 |
| 7069862 | Handheld tool for breaking up rock A tool (12) has a body (14) with a barrel (18) having opposing threaded and fitted openings (30 and 28). An actuator pin tube (26), for slidably engaging an actuator pin (38) having a tip (40) opposing a retent... | 07/04/2006 |
| 7036420 | Pack for carrying explosives and initiators The invention, as embodied herein, comprises a back worn pack that allows a user to transport both energetic materials, such as primary explosives, and energetic initiators, such as blasting caps, within the pack without the threat of premature initiation of the ene... | 05/02/2006 |
| 6935058 | Automatic page turner with belt drive element An apparatus for turning bound pages, the apparatus having a frame; a book support assembly coupled to the frame; at least one pickup arm coupled to the frame; a motor assembly coupled to the frame; and a conveyor assembly coupled to the frame. The conveyor assembly... | 08/30/2005 |
| 6901865 | Primer casing and method of charging a blasthole Primer casing (1) comprising sleeve portion (5) and leading portion (5a), wherein sleeve portion (5) includes tabs (6) to retain primer (11) and blasthole engagement means (2), and wherein leading portion (5... | 06/07/2005 |
| 6722251 | Method for loading a continuous explosive charge assembly in an elongated cavity A method and apparatus for placement of continuous pre-split, gel explosive in an elongated borehole or cavity. An anchor is attached to one end of a selected length of continuous gel explosive. A suitable anchor is a flexible, plastic “pilgrim's hat” with a hol... | 04/20/2004 |
| 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 |
| 6564686 | Continuous explosive charge assembly and method for loading same in an elongated cavity A method and apparatus for placement of continuous pre-split, gel explosive in an elongated borehole or cavity. An anchor is attached to one end of a selected length of continuous gel explosive. A suitable anchor is a flexible, plastic "pilgrim's hat" wit... | 05/20/2003 |
| 6557448 | Method of and system for delivery of water-based explosives This invention relates to a method of delivering a water-based explosive by feeding a water-based explosive and a fluid non-explosive carrier into a tubular delivery member in order that the water-based explosive defines a plurality of bodies separated fr... | 05/06/2003 |
| 6520089 | Method for setting and igniting a charge of explosives for geological investigations and explosive device associated therewith A method for setting and igniting a charge of explosives for geological investigations, comprising the following steps: a hole (14) is drilled in the ground (12) which is to be investigated; an explosion chamber (22) is hollowed out, whereby said explosio... | 02/18/2003 |
| 6502631 | Reinforced borehole plugs Reinforced borehole plugs useful in the presplitting and blast removal of earth formations, the improvements provided by the invention comprising inflatable devices intended to support stemming, explosives and the like at suspended locations within a bore... | 01/07/2003 |
| 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 |
| 6401588 | Delivery of emulsion explosive compositions through an oversized diaphragm pump A system and method are provided for delivering emulsion explosive compositions into a borehole by means of an oversized diaphragm pump, which provides a relatively constant flow rate for the pumped emulsion explosive composition thereby minimizing flow p... | 06/11/2002 |
| 6397719 | Method for loading slurry explosives in blast holes or cartridges A method for loading and sensitizing a slurry explosive in a borehole or in a cartridge, where a gassing agent is added as a thin string inside the slurry explosive after the explosive has been pumped into a loading pipe, and wherein the slurry explosive ... | 06/04/2002 |
| 6397754 | Method and apparatus for charging boreholes with explosives A method and a device for charging boreholes (11) with explosives. One end of the charging hose (3) is introduced to a substantially predetermined distance from the bottom of the borehole. Subsequently, a pumpable explosive is pumped through the charging ... | 06/04/2002 |
| 6210122 | Method and delivering an explosive composition An explosive slurry is positioned in the interior of a pressure tank. A liquid is introduced into the interior of the pressure tank and into direct contact with the slurry. The slurry is forced out of the interior of the pressure tank to a position of uti... | 04/03/2001 |
| 6125761 | Zinc oxide inhibited emulsion explosives and method A method of blasting in reactive ores includes diluting hot liquor of ammonium nitrate with water to provide diluted ammonium nitrate solution of predetermined concentration, adjusting the pH of the liquor of the ammonium nitrate solution, adding a predet... | 10/03/2000 |
| 6098516 | Liquid gun propellant stimulation To increase a yield of a hydrocarbon such as oil from a subsurface reserv, the reservoir is stimulated by pumping liquid gun propellant (LP) into the reservoir and igniting the LP. The LP is pumped into a packed-off region in a cased well; the depth of t... | 08/08/2000 |
| 6070511 | Apparatus and process for loading emulsion explosives An apparatus and process for the production of any emulsion explosives composition and loading it into a blast hole (7) which utilize a loading conduit (4) having a shear inducing means (5) and a liquid lubrication source (b) adapted to provide a layer of... | 06/06/2000 |
| 5962803 | Apparatus for preparing spherical energetic compounds A method for producing substantially spherical energetic compounds such as ammonium dinitramide (ADN) which minimizes the time during which the ADN is melted involves providing solid ADN, feeding the ADN at a controlled continuous rate to a heating means,... | 10/05/1999 |
| 5874688 | Explosives dispersed from a pressurized container The invention provides a method and apparatus (10) for loading a sensitized flowable explosive into a borehole. The apparatus (10) is portable and comprises containers 14, 16 which are pressurizable, for containing an explosive under pressure. Containers ... | 02/23/1999 |
| 5862758 | Insert and twist method and apparatus for securing a shaped charge to a loading tube of a perforating gun A loading tube of a perforating gun includes a plurality of mating holes, where each mating hole has a specific and predetermined contour, and a case of a shaped charge, adapted to fit within the mating hole, includes a pair of retaining lugs and a pair o... | 01/26/1999 |
| 5844322 | Low energy fuse and method for its manufacture A low energy fuse, comprising a plastic tube with a channel, the channel containing a reactive material able upon ignition to sustain a shock wave within the channel, the tube comprising at least two layers of plastic materials, a first plastic layer clos... | 12/01/1998 |
| 5841055 | Method for controlled refining of explosive compositions An apparatus for the controlled refining of an emulsion explosive composition is shown. The apparatus includes a pump for pumping the pumpable explosive composition, a conduit for transporting the explosive composition away from the pump, and a refining o... | 11/24/1998 |
| 5811711 | Metered delivery of explosives The present invention is directed to a metered delivery of explosives to boreholes in mining, quarrying, and/or construction operations. The explosives may be ANFO, emulsions, bulk explosives, packaged explosives, blends thereof, and combinations thereof.... | 09/22/1998 |
| 5789694 | Breaking up of rock and the like An impulse generating tool for breaking up rock has a barrel, a breech body for a cartridge (50) loaded with gas producing propellant (70) and a firing mechanism for firing the cartridge. A hole is drilled in the rock and filled with water. The barrel is ... | 08/04/1998 |
| 5712440 | Apparatus and process for explosives mixing and loading The subject invention relates to an apparatus and process for mixing and delivering an explosives composition. The apparatus for use in the process comprises a main conduit which can be gas pressurised, a means for introducing a solid particulate phase to... | 01/27/1998 |
| 5686685 | System for pneumatic delivery of emulsion explosives Apparatus for delivery under pressure of emulsion explosives to boreholes using an annular stream of water for lubrication. Maintaining the water pressure at least 10 psi greater than the emulsion pressure has been found to maintain the integrity of the l... | 11/11/1997 |
| 5672839 | Method and apparatus for controlled refining of explosive compositions An apparatus for the controlled refining of an emulsion explosive composition is shown. The apparatus includes a pump for pumping the pumpable explosive composition, a conduit for transporting the explosive composition away from the pump, and a refining o... | 09/30/1997 |
| 5610358 | Apparatus and process for explosives blow loading The application relates to a gas deflecting device for use in the blow loading of emulsion explosives compositions, the gas deflecting device comprising a nozzle which is capable of being removably attached to a blow loading hose, the nozzle comprising at... | 03/11/1997 |
| 5584222 | Method for charging bore-holes with explosive A method for charging explosives in substantially horizontal bore-holes, with a loading density reduced in relation to that corresponding to the complete fill up of the bore-hole diameter with the explosive in bulk form, comprising that a charging hose wi... | 12/17/1996 |
| 5524523 | Loading of boreholes with flowable explosives The invention provides a method of loading flowable explosives into a borehole, and a lance suitable for use in the method, A plurality of different fluids are fed into the borehole along a plurality of separate conduits each forming part of the same lanc... | 06/11/1996 |
| 5460073 | Method and apparatus for feeding hoses into mining boreholes and the like A method and apparatus are described for feeding a hose having a corrugated exterior surface into a mining borehole and the like. The apparatus includes a support frame and a rotatable drive wheel having an annular groove for receiving the hose and ridges... | 10/24/1995 |
| 5447090 | Remote control for bulk explosives delivery system The present invention is directed to a delivery system for bulk explosives whereby said system is remotely controlled by electronic or electrical controls.... | 09/05/1995 |
| 5347907 | Multipurpose projectile and a method of making it A multipurpose projectile and a method of making it, said projectile comprising a shell (2) which contains a penetrator (1) and at least one incendiary charge (5) surrounding a portion of the penetrator in front of a well (3) in the bottom of the shell, i... | 09/20/1994 |
