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8161799 |
Apparatus and methods for evaluation of energetic materials
The invention relates to an apparatus for evaluating energetic materials for ignitability, flamespread, pressure and thermal characteristics, energetic material interaction, and other properties....
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8122757 |
Propellant ignition testing apparatus having a compressively sealable chamber
A propellant ignition testing apparatus having a compressively sealable chamber. A fixed end plate assembly is fixedly mounted on a support structure. A test chamber assembly having a combustion...
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8042446 |
Pressure-resistant vessel and blasting facility having the same
An object of the present invention is to improve durability of a pressure vessel for blasting an article to be treated such as hazardous substance or explosive therein. The pressure vessel 10,...
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7975527 |
Explosion indicators for use in explosion-proof enclosures with critical equipment
Indicator devices and systems are provided. Indicator devices include a sleeve, a dome-like transparent member, a connector body, and an indicator. In alternate embodiments, indicator devices...
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7757623 |
Explosion indicators for use in explosion-proof enclosures with critical equipment
Indicator devices and systems are provided. Indicator devices include a sleeve, a dome-like transparent member, a connector body, and an indicator. In alternate embodiments, indicator devices...
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6773674 |
Thermal analysis for detection and identification of explosives and other controlled substances
The invention features methods and systems for detecting the presence of an energetic material in a sample in which the presence of the energetic material is unknown. The method includes the steps...
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6662629 |
Propellant test apparatus and method
A test apparatus and method for a solid propellant, comprising a combustion chamber for the solid propellant, an igniter for igniting propellant in the combustion chamber, and an exhaust housing...
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6644099 |
Shaped charge tubing cutter performance test apparatus and method
A shaped charge tubing cutter performance test apparatus and procedure comprises a plurality of test coupons, preferably fabricated from a pipe wall section of the test subject. The coupons are...
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6366436 |
Electronic device for use in regions subject to explosion hazards
A description is given of an electronic device for use in regions subject to explosion hazards, which is small and light, can be produced cost-effectively and offers a high degree of flexibility,...
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6354137 |
Inertial confinement cylinder for explosive characterization
A reusable small-scale explosive testing apparatus has a structural member with a curved internal chamber, a head piece that inserts into the chamber, a cap to hold the head piece, a pressure-time...
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5959193 |
Explosion protection apparatus with electrical initiation
An explosion protection apparatus for installation in potentially explosive industrial installations for the purpose of automatically preventing a pressure wave and/or flame breaking through from a...
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5929323 |
Barometric and altimeter bomb detection and midair explosion avoidance system for airplanes
A barometric and altitude bomb detector and midair explosion avoidance system has reinforced armored chamber for containing air travel passenger luggage which is capable of regulating the...
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5531098 |
Hybrid inflator testing tank
A testing tank for securing and enclosing a plurality of gas discharge ports of a hybrid inflator during test firing of the inflator, the testing tank having a tank container, a lid and an adaptor...
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5100625 |
Apparatus for testing candidate rocket nozzle materials
An apparatus for testing candidate rocket nozzle materials includes an elated member having a combustion chamber extending therethrough, with an inlet at the forward end of the combustion chamber...
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4730502 |
Apparatus for transferring mechanical motions representing measured quantities
There is disclosed herein an apparatus for converting mechanical quantities, such as mechanical force, into an electrical signal by a mechanism which minimizes explosion possibilities. The...
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4474052 |
Laboratory barricade
An improved laboratory barricade for containment of potentially explosive materials and processes, having a containment chamber provided with a pressure venting port or ports, wherein the...
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4434655 |
Black powder flamespread tester
A black powder flamespread tester is disclosed in which powder to be qualed is packed in a sample tube provided with a plurality of sight holes. Light sensors are disposed adjacent each sight hole...
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4381218 |
Apparatus for testing combustibility of wood pulp blow gases
The flammability of non-condensible blow gases from a wood pulping digester is continuously monitored by venting a low volume sample flow stream of such gases through a small combustion chamber...
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4233835 |
Electrostatic discharge tester
A testing apparatus for determining and evaluating the sensitivity of propellants and other hazardous materials to electrostatic discharges carried and stored on apparatus or individuals by...
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4173140 |
Trigger device for explosion barrier
A trigger device for an explosion barrier includes a pressure sensor and at least two flame sensors. The pressure sensor energizes the flame sensors in response to a predetermined pressure rise,...
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4140004 |
Apparatus for determining the explosion limits of a flammable gas
An apparatus for determining the explosion limits of flammable gases having a combustion chamber, a conduit leading to the combustion chamber for conveying the sample stream of gas, a temperature...
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3978877 |
Method and apparatus for monitoring and controlling the composition of flammable gas mixtures
An improved apparatus for monitoring and controlling the composition of a flammable gas mixture to prevent accumulation of explosive gas mixtures in a substantially closed container. The apparatus...
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3831318 |
EXPLOSION DETECTION AND SUPPRESSION METHOD AND APPARATUS
In a coal mine passage, a plurality of stored bags which can be rapidly inflated with an inflating medium having a combustion suppressing agent to form a barrier to the propagation of a combustion...
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3823793 |
SEMI-SEALED SILENCER STRUCTURE
A drum which receives explosion impulse waves directly on the inner surface thereof is made of steel, and a material inlet tunnel and pipes for alleviating the explosion impulse and reducing the...
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3768313 |
METHOD OF DETERMINING THE RISK OF EXPLOSION OF A PREFERABLY GASEOUS MEDIUM AND APPARATUS FOR CARRYING OUT THIS METHOD
The risk of explosion of a preferably gaseous medium is determined by measuring a parameter, which is determinative of the inflammability of the medium, by means of a probe, which comprises an...
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3756344 |
LASER-DRIVEN SHOCK TUBE
A laser driven shock tube wherein a laser is focused in the vicinity of a supersonic free expansion jet orifice at one end of a shock tube whereby a hot plasma is generated which drives a shock...
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3715596 |
TELLURIAN OPTOEXPLOSIVE SYSTEM INCLUDING NUCLEAR EXPLOSIVE LIGHT GENERATOR AND TARGET IRRADIATION
This disclosure relates to a tellurian(underground) system(an explotron) for the close-in treatment of an irradiable target by explosion-formed electromagnetic energies characterized as reflectable...
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3583523 |
BOUNDARY LAYER EFFECT ATTENUATOR
A shock wave attenuator in which an axially arranged bundle of parallel tubes is enclosed in a rectangular housing. An arrangement of this type creates in effect a large length-to-diameter ratio of...
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3577762 |
METHODS AND DEVICES FOR THE DYNAMIC TESTING OF MATERIALS
A conical housing is provided with a stick of explosive disposed axially within the housing. The apex angle of the housing is chosen so that a shock wave front produced by igniting the explosive is...
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3820435 |
CONFINEMENT SYSTEM FOR HIGH EXPLOSIVE EVENTS
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3613434 |
DIFFERENTIAL PRESSURE ANALYZER FOR PROPELLANT INGREDIENTS
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3434336 |
EXPLOSION BARRIER
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3397756 |
Reduction of explosive shock and noise by dispersion of water particles
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3395568 |
Arrangement for automatically closing energy passage systems, especially air passages
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3327628 |
Method of and apparatus for quenching detonations
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3326033 |
Shock tube screen choke
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3318144 |
Supersonic test facility
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3301041 |
Prestressed concrete containment vessel
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3268107 |
Container for hazardous materials
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3165916 |
Noise-reducing structure
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3159997 |
Test burner
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2983135 |
Propellant ignitability testing device
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2976485 |
Continuity testing device for explosive igniting circuits
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2966793 |
Shock tube for the study of combustion processes
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2960859 |
Explosion-resistant structure
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2940300 |
Sound reducing explosives testing facility
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2937530 |
Explosion test sampling chamber
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2917927 |
Pressure relieved explosion chamber
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2880497 |
Method of making pressure measuring gage means
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2832213 |
Booster-gap explosive sensitivity test device
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