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| Number | Title | Issue Date |
| 8166797 | Gunfire shock simulator and method of using same A gunfire shock simulation apparatus that uses an actual firearm for generating and measuring shock response data without a pyrotechnic discharge. The apparatus exerts an impact on a discharge end of a barrel of the firearm for simulating the pyrotechnic discharge e... | 05/01/2012 |
| 8006539 | Actuation system A method and system for creating highly nonlinear solitary waves for use in performing nondestructive evaluation of structures and materials. The method and system use an apparatus having a spring loaded adjustable striker, a chain of granular particles, and a reloa... | 08/30/2011 |
| 7845207 | Test apparatus and method of testing With regard to components it is necessary to test specimens of materials in order to determine acceptability for objective component performance. Previously such testing generally involved fixing and clamping of the test specimen which produced artificial stressing ... | 12/07/2010 |
| 7685862 | Target system giving accuracy and energy A target for a test range includes an impact plate having at least three strain sensors positioned on the plate. The sensors are connected to a data acquisition board for receiving a signal from each sensor upon impact of a projectile on the plate. The data acquisit... | 03/30/2010 |
| 7412870 | Method and apparatus for dynamic impact testing A method and apparatus wherein a material or object to be tested is placed on a base support. A stopper assembly having a stopper tip on one end in contact with the test material or object, and a washer on the opposite end attached to a rod. A projectile is propelle... | 08/19/2008 |
| 7409848 | Apparatus and method for bulge testing an article An apparatus (10) for bulge testing an article (12) comprises a pressure vessel (14) arranged to define a chamber (15), the pressure vessel (14) has a first aperture (28) and a second aperture (30), means to pressuriz... | 08/12/2008 |
| 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 testing fixture, and providing an impact load to the test sample. The test... | 05/20/2008 |
| 7372252 | Automated platform for electronic apparatus environmental testing & method of use An automated platform for electronic apparatus environmental testing and the methods of its operation holds and positions electronic devices during environmental testing. The automated platform may be a multi-legged table and includes a surface for providing vertica... | 05/13/2008 |
| 7353722 | Contactless measurement of the surface temperature of naturally or artificially weathered samples A holding frame (2) is mounted in a weathering chamber (1) of a weathering tester so that it can be rotated around a xenon radiation source (3), which is located on the cylinder or rotation axis, and an infrared filter (5) placed around i... | 04/08/2008 |
| 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 plate is a layer of elastoluminescent material composed of zinc sulfide... | 10/09/2007 |
| 7182015 | Multi-variable, multi-parameter projectile launching and testing device A multi-variable, multi-parameter projectile launching and testing device includes; a.) an elongated hollow acceleration tube having a firing end and an exit end; b.) firing mechanism functionally connected to the firing end of the elongated acceleration tube to cre... | 02/27/2007 |
| 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 material. Accordingly, the apparatus includes a projectile that may be capabl... | 10/31/2006 |
| 7108197 | Droplet ejector with oscillating tapered aperture A fluid injection device for ejecting fluid droplets in response to electrical signals comprises an oscillating surface that has one or more tapered apertures, each aperture having a first and second opening. The first opening of each aperture is larger than the sec... | 09/19/2006 |
| 7063141 | Apparatus for agitated fluid discharge The pressure reading tool includes a housing with an interior chamber and an orifice extending from the chamber to the exterior of the housing. A pulse member with a magnetostrictive ring and an excitation source are disposed within the chamber to produce a highly a... | 06/20/2006 |
| 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 housing. The generator further comprises an impact assembly movably mounte... | 09/13/2005 |
| 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 is structured to vibrate the impact member at a frequency... | 02/03/2004 |
| 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 surface for supporting the test strip. A holding block is... | 03/02/1999 |
| 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, concrete, by separately measuring the duration of the compr... | 11/24/1998 |
| 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 as a casting product. The very small bullets explode or ru... | 03/25/1997 |
| 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 roll by sharply impacting the surface, or by impacting a me... | 07/16/1996 |
| 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 electrical power source is connected between the rail electrodes a... | 06/25/1996 |
| 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 accumulator and controls the opening and closing of a valve to... | 03/12/1996 |
| 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 to force of particle impact. The transducer output signal i... | 05/30/1995 |
| 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 characteristic ultrasonic wave velocity Ci at pr... | 08/06/1991 |
| 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 at the outlet of the nozzle of the shot peening gun. A sign... | 07/18/1989 |
| 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 projectile at 0° obliquity at each of said components at d... | 08/13/1985 |
| 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 asbestos-containing composition and in which asbestos fibers ... | 03/20/1984 |
| 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 tested is placed on the test platen of the mechanical shock ... | 02/28/1984 |
| 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 chamber via a rotary outlet valve. Preferably the inlet valve... | 09/14/1982 |
| 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 membrane is also secured across the sound tube to create a close... | 02/20/1979 |
| 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 recording of the test results.... | 08/30/1977 |
| 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 tungsten balls is effectuated by clamping a wafer at one ... | 01/25/1977 |
| 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 vibration is produced at very high speed.... | 10/05/1976 |
| 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 coaxial plasma generator. The plasma generator creates a ... | 02/24/1976 |
