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7472758 |
Initiator for stovetop fire extinguisher
A fire extinguisher has a container filled with a fire extinguisher material. One wall of the container has tear-open segments that breach the container when opened and allow the fire extinguisher...
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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...
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6941871 |
Faceted expansion relief perforating device
The present invention is an improvement in the design of a perforating gun to perforate the casing in oil and gas wells. Perforating guns have a cylindrical body member with explosive charges at...
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6684791 |
Shaped charge detonation system and method
Encapsulated shaped charge for efficient initiation of hydrodynamic velocity detonation of explosives column. A water tight capsule with angled sides containing sufficient quantities of explosive...
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6631684 |
Rock blasting method using air bladders embedded in loading layers
Disclosed herein is a rock blasting method using air bladders embedded in explosives. The rock blasting method includes the step of drilling a plurality of loading holes into a rock to...
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6536349 |
Explosive system for casing damage repair
An explosive system is disclosed which may be used in repair of damaged casing. In a described embodiment, an explosive system includes a flexible elongated tubular container with a liquid...
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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...
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6453818 |
Method of controlled blasting
The invention of the present application provides a method of controlled blasting comprising dispersing an explosive ( 9 ) within a blasthole ( 1 ) to form a dispersed explosive having a lower...
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6397753 |
Water-based apparatus to mitigate damage and injuries from a fully or partially confined explosion
A water-based apparatus for mitigating the gas pressure loading and associated damage and injuries from a fully or partially confined explosion. The water-based apparatus comprises a water-blanket...
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6354222 |
Projectile for the destruction of large explosive targets
A projectile and method for the destruction of normally explosive targets and includes a projectile shell body containing a pyrogenically activated intermetallic reactive payload in the forward...
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6302027 |
Packaged explosive product and packaging process therefor
A packaged product has an explosive article packaged in a film. Although the film can comprise any one or more of a wide variety of polymers, the film is non-crosslaminated and is sealed to itself,...
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6302026 |
Explosion-suppressing structure
An explosion-suppressing structure comprises an explosion-suppressing barrier, such as a wall of liquid-filled tanks or blocks, and rupturable explosion-suppressing roof members 23 such as hollow...
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6283032 |
Projectile with controlled decomposition and integrated charge in the area of the effective mass
A smoke-generating projectile has a decomposable effective mass, the mass including a quick-burning deception component for generating spontaneous smoke, and a slow-burning concealment component...
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6220370 |
Circulating gun system
A tubing conveyed perforating apparatus is shown which includes a tubular firing section which carries a plurality of explosive charges. The explosive charges are initially aligned with regions of...
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5798477 |
Explosive cartridge assembly for presplitting rock
The present invention includes a small diameter explosive cartridge and a two-stage large diameter explosive cartridge apparatus for presplitting rock can be axially detonated by detonating cord...
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5495807 |
Gas-generating module for an airbag utilized in motor vehicles
A gas-generating module for an airbag utilized in motor vehicles, which includes a gas-generating composition and an igniting composition arranged within a container. The gas-generating composition...
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5435250 |
Explosive packaging system
A packaging system for explosives having a thin walled water resistent tube containing a low-sensitivity explosive therein. A first cap is fitted about one end of the tube and has a re-entrant...
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5331896 |
Process for visualization of a detonation wave
Steps of a process for visualization of a detonation wave involve examini measuring, and confirming a fuel-air explosion by using a ground-based fuel bottle oriented horizontally whereby the...
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5259316 |
Method and apparatus for wet/dry, small bore hole explosive device
A wet/dry explosive assembly for use with small diameter bore holes is disclosed. The device utilizes a small diameter watertight inner containment vessel to house a predetermined amount of...
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5231245 |
Explosives
The invention relates to a new method of using explosives. In the past it was the practice to use the shock wave front or the pressure pulse, or both, generated by a detonated explosive mass to...
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5212343 |
Water reactive method with delayed explosion
Devices and methods are disclosed for contacting a hot reaction mass with water to initiate an explosive reaction. The reaction mass comprises a ceramic or intermetallic material that is produced...
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5192819 |
Bulk explosive charger
There is disclosed, according to the present invention, an apparatus and method for loading explosives exhibiting little water resistance into water filled blast holes without contamination of the...
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5092245 |
Explosive stemming device
An explosive stemming device for dispensing granular material into a boree containing an explosive charge therein is disclosed as including a cylindrical member having a flexible sleeve-like liner...
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5024160 |
Rapid burning propellant charge for automobile air bag inflators, rocket motors, and igniters therefor
A rapid burning propellant charge for applications including igniters, launch eject motor, and gas generators for automobile air bags. The propellant charge comprises a reticulated substrate having...
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5024159 |
Plane-wave forming sheet explosive
An explosive sheet which is formed by a layer of explosive material, a layer of foil, and an inert space forming material. These three layers are repeated to number, n, times to form a composite...
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4976201 |
Non-lethal distraction device
A distraction device is comprised of a hollow container that is divided into a first chamber and a second chamber. An explosive charge capable of producing a loud sound and a brilliant flash of...
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4920852 |
Portable, self-contained explosives system
The present invention relates to a system for forming an explosive and more particularly to a system that is portable, self-contained and is capable of mixing essentially non-explosive ingredients...
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4873928 |
Nuclear-sized explosions without radiation
A method for producing a high yield explosion without radioactive fallout comprising filling an expendible structure with an explosive mixture of a combustible gas (e.g. methane) and an oxidizer...
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4813358 |
Inflatable wand for loading a mining borehole
An inflatable wand for positioning within an upward oriented, mining borehole and near a lower collar opening thereof wherein the wand provides a conduit for introducing and retaining liquid...
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4787316 |
Expandable, self-tamping explosive bag
A package for blasting agents including an outer bag of a first diameter formed of a multilayer rupturable paper material and an inner waterproof bag of a second diameter larger than the diameter...
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4757863 |
Well cleaning method and apparatus
An improved, simplified and less expensive apparatus and method for cleaning wells embodies an elongated tube of combustible material, sealed at its ends, that is ignited at one end to generate a...
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4718346 |
Explosive charge for the explosive welding of large diameter pipes, and a method for its manufacture
The disclosure relates to an explosive charge intended for the explosive jointing of, primarily, large-diameter pipes, such as pipeline pipes. The charge according to the invention is intended to...
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4640192 |
Means for securing tubes to a tube sheet
A device for mechanically welding a tube to a tube sheet having holes into which the tube is placed. A detonator is provided for detonating explosives for generating gas at a high pressure. A...
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4572075 |
Methods and apparatus for loading a borehole with explosives
A method and apparatus for delivering an explosive to the bottom of a borehole containing water without allowing a detrimental amount of mixing between the explosive and the water. More...
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4537133 |
Non-incendive rock-breaking explosive charge
Non-incendive explosive charge for use in flammable atmospheres includes a layer of damp salt as quenching material surrounding a charge enclosed in an inner housing. An outer housing is strong and...
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4492165 |
Expandable explosive and stemming cartridge
An explosive or stemming package is provided which is self-retaining in vertical or inclined up-holes in stable rock. The package containing a flowable material, for example, slurry explosives,...
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4432268 |
Detonation cut-off device
A passive detonation cut-off device for a solid line of explosives operates by directionally controlling the detonation pressure of an accidental detonation wave of an explosives line and by using...
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4422382 |
Explosive container of interconnected thermoplastic film packages
A thermoplastic film package containing a blasting explosive is provided having utility in secondary blasting operations. The package comprises superimposed film panels joined along their periphery...
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4369711 |
Bag for explosives with lower reinforcing sleeves
A bag for explosives is provided that includes an inner liner of plastic material that has a quantity of granular explosive material therein, and wherein a woven outer member has the liner arranged...
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4347790 |
Explosive plug for blocking tubes
An explosive plug for blocking tubes comprises a tubular metal body closed at one end by a solid head and having at the other end a surface-contact region containing at least two spaced apart...
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4323012 |
Laser-resistant warhead
A laser-resistant warhead including a missile-carrying housing of graphite composition and an ejectible shell, also of graphite composition, covering the housing. The shell may be ejected either on...
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4052939 |
Tampable chub cartridge
A chub cartridge containing a water-bearing blasting agent and having a film wrap of a cross-laminate of oriented film layers has at least one unlaminated zone in the film wrap in the longitudinal...
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3921529 |
Explosive cartridge
A plastic film wrap for an explosive cartridge is provided which consists of a laminate of at least two films, the inner laminate close to the explosive comprising a stiffened film having...
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3517616 |
AXIALLY EXPANDABLE AND CONTRACTABLE CONTAINER
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3420173 |
AXIALLY EXPANDABLE AND CONTRACTABLE CONTAINER
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3349705 |
Presplitting device
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3323455 |
Expansible explosive cartridge
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3122096 |
Expansible explosive package
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3087425 |
Expansible explosive unit for use in wet boreholes
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2966855 |
Explosive-containing bag used in blasting
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