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7533557 |
Impact tensile test machine
A high-speed tensile test device is disclosed, which measures the stress-strain behavior, up to failure, of polymeric materials, at high strains (as much as 1000%), and high strain rates (up to 10...
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7516646 |
Impact test apparatus
An apparatus for performing an impact test of an object of test by use of a hammer is disclosed. The apparatus includes a pendulum arm swingable in an up-down direction in response to rotation of a...
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7360393 |
Methods and apparatus for measuring impact toughness of a tie rod end
A method is provided for measuring impact toughness of a tie rod end through use of a pendulum-type impact testing machine. The method includes attaching a first member of the tie rod end with...
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7320242 |
Tensile impact apparatus
The present invention generally relates to a tensile impact apparatus that is designed to give dynamic stress-strain curves and fracture characteristics for a rubber specimen undergoing tensile...
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7222515 |
Impact test apparatus and impact test method
An impact test apparatus includes a holding device for holding a test piece at an arbitrary holding force, an impact applying device for applying an impact force to the test piece held by the...
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6990845 |
Pendulum impact test rig
The pendulum impact test rig is designed and developed for simulating impact conditions experienced by structural components in real-world crash or full-scale crash test. The test rig can be...
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6871525 |
Method and apparatus for testing football helmets
A method and apparatus for testing a football helmet utilizes a weighted pendulum arm to impart an impact force upon the helmet. Linear head acceleration and rotational head acceleration caused by...
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6802200 |
Method for inspecting the quality of a gas sensor, related manufacturing method, and related inspecting apparatus
An impact force is applied to a sensing element to enlarge the size of a hidden crack to a visible level to reveal the presence of a hidden crack. To apply the impact force to a sensing element, a...
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6738214 |
Detection of static and dynamic position of disk drive
A 2-axis acceleration sensor has two detection axes (X- and Y-axes), and detects a dynamic acceleration (shock) and a static acceleration (a change in gravity or tilt). A sensor output extraction...
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5922937 |
Individual component headform impact test drive
A head-impact test device is used for crash-testing individual vehicle components, and includes a support structure with a pendulum member pivotally connected to the support structure. The pendulum...
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5908979 |
Golf ball test hitter
The invention relates to a golf ball test hitter used for testing the performance of a golf club after manufacture of the club, which comprises a first arm corresponding a man's arm, a second arm...
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5801314 |
Bridge movement detector
A damage detection system for detecting impacts to static structures such as bridges and the like. The damage detection system comprises an impact sensor assembly and impact analyzer system. The...
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5763761 |
Ball striking apparatus
Generally, the invention can be used to strike an object with an implement. Two applications for which the invention is particularly useful are hitting a golf ball with a golf club, and hitting a...
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5400640 |
Pyrotechnic shock machine
A pyrotechnic shock testing machine employs flexure plates attached to an anvil lying in a vertical plane of a supporting frame to apply pyrotechnic shock pulses to a test unit attached to the...
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5390534 |
Impact testing device
Apparatus to test for the impact strength of a game racket comprising a base plate having an upper surface; a support post extending upwardly from the upper surface of the base plate; a pivot arm...
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5285687 |
Process for the acoustic examination of monoliths for damage and device for implementing the process
A method and apparatus for the acoustic examination of a monolith for damage, wherein a blow of defined force is applied by a hard striker to a monolith for its acoustic examination for damage. The...
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5003811 |
Shock testing apparatus
A shock testing apparatus for simulating pyrotechnic shocks comprises an elongate bar suspended for movement in a longitudinal direction, and a pendulum hammer suspended for impact with one end of...
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4754975 |
Iron club head
An iron club head which comprises a core body having a core portion, a sole portion, and a hosel portion. The core portion is formed with a front or club face at the predetermined inclination and...
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4442697 |
Pre-stressed impact testing device
A pre-stressed impact testing device designed to measure the energy which is absorbed during fracture of metal samples under pre-stressed conditions. The device includes a base portion and a...
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4425786 |
Method and apparatus for impact testing of bend specimen
A method and apparatus for testing of impact toughness of a bend specimen having a notch or similar in a middle portion thereof. According to the invention the bend specimen is supported by a rigid...
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3999420 |
Lens impact hammer apparatus and methods
Hammer apparatus is provided for impacting an eyeglass lens to test the frangibility of the lens. A hammer arm is pivotally mounted on a base plate for rotation between a vertical position and a...
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3788466 |
IMPACT SENSOR AND CODER APPARATUS
Impact sensor and coder apparatus for use in a materials-sorting system. The embodiment described in greatest detail includes a movable rigid body adapted to strike individual pieces of the...
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3583215 |
IMPACT-TESTING APPARATUS
An impact tear-test machine having a concrete foundation constructed to dampen the transmission of impact force between the anvil on which a steel test specimen is mounted and the frame for a...
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3498117 |
REBOUNDING HAMMER TYPE HARDNESS GAUGE
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3380289 |
Testing apparatus
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3333461 |
Elastic modulus measurement apparatus
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3285060 |
Pendulum impact tester
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3209585 |
Autographic impact tester
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3157046 |
Impact test machine
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3121320 |
Materials testing device
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3083564 |
Textile impact tester
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3009351 |
Lubricant tester
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2803131 |
Pendulum-actuated slow speed impact tester
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2799824 |
Shock testing device
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3557603 |
Title is not available
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