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7373802 |
Testing fixture and method for determining toughness of molded plastic components
A method and testing fixture for toughness-testing corrugated high density polyethylene (HDPE) pipe. The method includes the steps of preparing a test sample, attaching the test sample in the...
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7278290 |
Projectile impact energy and location measurement system
A projectile impact energy and location measurement system is taught employing a target apparatus having an impact plate of a solid durable substance such as steel or titanium. Disposed over the...
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7127933 |
High speed resiliometer
An apparatus and method for testing the physical properties of a material is disclosed. Preferably, the physical properties that may be tested include, but are not limited to, the COR of a...
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6941793 |
Impulse generator for profiling system
An energy impulse generator for transferring an energy pulse to a surface. The generator exchanges messages with a computing means through a communication interface. The generator comprises a...
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6684681 |
Mechanical ultrasonic and high frequency sonic device
A mechanical ultrasonic device that includes a housing assembly, a mechanical vibration assembly disposed within the housing assembly, and having an impact member. The mechanical vibration assembly...
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5877405 |
Gage for measuring the intensity of shot-blast peening using non-magnetic test strips held in place by spring-loaded plungers
An Almen type gage to measure the deflection of a test strip relative to a supporting surface to provide an indication of shot blasting intensity includes curved surfaces extending from the support...
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5841019 |
Method for non-destructive measuring compressive and tensile strengths of concrete in the structure
This invention provides a method for direct non-destructive measuring compressive and tensile strengths of materials with negligible viscous properties and more particularly, but not exclusively,...
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5614657 |
Three dimensionally measuring apparatus
A three dimensionally measuring apparatus includes a gun, a pedestal of the gun, three microphones, a pedestal of a product and a data processor. The gun shoots very small bullets at a target such...
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5535627 |
Roll structure acoustic gage and method
A device and method for determining the radial pressure profile of a wound roll of material uses internal and external sensors to measure the time of flight of an acoustic wave induced within the...
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5528974 |
Sabot separator for projectile accelerator
A sabot separator includes a sabot separation cylinder equipped with a pair of rail electrodes extending axially and connected with a muzzle end of a barrel of a projectile accelerator. An...
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5497650 |
Pneumatic golf club testing apparatus
A pneumatic golf testing apparatus composes of an air cylinder, an accumulator, a barrel, a ball bucket, a ball cage, a golf head clamps and a frame. Air cylinder pumps compressed air into the...
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5419176 |
Particle detection and analysis
The invention provides a method of, and apparatus for detecting and analyzing moving particles using an impact responsive transducer which generates a detection signal having an amplitude related...
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5036696 |
Method for measuring fracture toughness of brittle media
A method for measuring fracture toughness of a brittle material is described which comprises the steps of impacting a sample of the material of preselected thickness and predetermined density and...
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4848123 |
Shot peening mass flow and velocity sensing system and method
Consistency in shot peening is obtained by a system which uses a force sensor to sense the reaction force from a shot peening gun in combination with a magnetic densitometer sensing coil disposed...
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4534205 |
Method of shock testing aluminum alloy welded joints
Aluminum alloy armor weld joints are ballistic shock tested by first sepaely determining the ballistic impact capability of the components to be joined by the weldment by firing a plate proofing...
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4437333 |
Apparatus and method for asbestos fiber release potential
Apparatus and method for determining the asbestos fiber release potential of asbestos-containing compositions comprises an impact member which is repeatedly impacted with a selected area of the...
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4433570 |
Mechanical shock machine
A mechanical shock machine may consist of a small bench-top device with a built-in pneumatic isolator, the working parts of which are enclosed to prevent injury to the operator. The device to be...
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4349200 |
Gas gun for ballistic testing
A gas gun has a charge chamber, an inlet valve to admit a charge of compressed gas to the charge chamber and either a plane or rifled barrel which communicates at its breech end with the charge...
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4140002 |
Impact sound stressing holding assembly
A holding assembly for impact sound stressing semiconductor wafers and the like including a novel fixture for securing the wafer across a sound tube by clamping between Teflon rings. A cover...
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4044599 |
Test system for evaluation of armors using duplicate fragments
A test system comprises a propulsion unit for directing salvos of ballistic ragments in a planar wave to a target of test material. The fragments are stroboscopically illuminated for photographic...
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4004449 |
Impact sound stressing for semiconductors
Apparatus for acoustical stressing of semiconductor wafers is disclosed, utilizing a number of small tungsten balls which are bounced on the surface of the wafer to be stressed. The movement of the...
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3983740 |
Method and apparatus for forming a stream of identical drops at very high speed
A method and apparatus for producing a very fast succession of identical well-defined drops, driven at very high speed, in which a jet of liquid which is divided into droplets by high-frequency...
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3939816 |
Gas filled coaxial accelerator with compression coil
A self-energized plasma compressor which compresses plasma discharged from coaxial plasma generator. The device includes a helical shaped coil which is coaxially aligned with the center axis of the...
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3916761 |
Two stage light gas-plasma projectile accelerator
A device for accelerating a projectile to extremely high velocities includes a light gas accelerator to impart an initial high velocity to the projectile and a plasma accelerator and compressor...
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3896657 |
Vertical impact tester
Impact testing apparatus, for testing frangibility or the like of materials, including an anvil for supporting a test specimen, provides a spherical missile support vertically above the anvil at a...
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3793874 |
METHOD FOR DETERMINING FRACTURE TOUGHNESS USING SMALL SPECIMENS
A method for determining the plane strain fracture toughness K Ic of a material. A specimen of a material is impacted with a gas gun to produce flat plate impact and hence uniaxial strain. The...
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3777548 |
GOLF BALL TESTING AND DEMONSTRATING APPARATUS
A golf ball testing and demonstrating apparatus in which a projectile having a ball striking forward face thereon is propelled through the barrel by pressurized gas released from a chamber at the...
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3729980 |
HYDRODYNAMIC SHOCK SIMULATOR
A hydrodynamic shock simulator for providing an underwater explosive shock nvironment for a sonar transducer under test. The simulator comprises a mechanically driven accelerator which drives a...
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3709026 |
APPARATUS AND METHOD FOR SIMULATING SPACECRAFT EROSION
An apparatus and method for simulating erosion on a spacecraft surface by impact with particulate in a preselected environment. The apparatus and method are ground-based and have the capabilities...
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3577764 |
TARGET HOLDING CONTROL UNIT
A multitarget holding control unit for collecting specimens from a particle ccelerator arrangement normally operating under a vacuum condition to enable performance studies in the hypervelocity...
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3576127 |
RESILIENCE TESTING DEVICE
This invention is an automated ball rebound resilience testing system. It is used to measure the resilient behavior of materials at varying temperatures. The apparatus consists of a light source...
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3479857 |
MICROMETEORITE SHOWER CREATING APPARATUS AND METHOD
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3407304 |
Micrometeoroid penetration measuring device
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3357306 |
Accelerating particles to high velocities
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3343400 |
Impact test apparatus
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3277693 |
Dynamic tester
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3267720 |
Accelerator
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3252318 |
Electrically operated shutter
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3204527 |
Apparatus and method for producing very high velocities
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3194066 |
Burst effect testing target
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3154014 |
Method of and apparatus for accelerating gases and solids
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2998719 |
Shock tube for studying warhead combination damage
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2993372 |
Double ballistic pendulum
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3625052 |
Title is not available
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