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7543507 |
Failure analysis system for printed circuit board and method using the same
A failure analysis system ( 900 ) for printed circuit board ( 600 ) includes testing equipment ( 100 ) and a monitor ( 200 ). The testing equipment includes a base ( 120 ), a fixing body ( 180 ), a...
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7089802 |
Method and apparatus for determining hydrogen embrittlement
A method and apparatus for determining failure of a test component. The apparatus, according to a selected method, is able to determine the embrittlement potential of a selected procedure for a...
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6684167 |
Method and apparatus for measuring energy consumed during plastic deformation in multi-ply board systems
A method and an apparatus for predicting a score-line cracking propensity of a multi-ply substrate. The method includes the steps of: bending the multi-ply substrate; acquiring tensile load data...
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6591692 |
Bend-test device for wire harnesses
A bend-test device for wire harnesses capable of handling a plurality of samples at the same time. The bend-test device includes a fixed frame unit, a hinge unit with a fulcrum axis, and a mobile...
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6557421 |
Mandrel supported tensile test to evaluate weld bonding
A tensile test apparatus and method for testing a circumferential weld on a tubular member wherein the tube region of the weld is completely supported by a mandrel and the tubular specimen is...
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6553320 |
Method for testing the stability of vertically braced masts
A method for testing the stability of vertically braced masts wherein the relevant mast is subjected to the load of a bending force starting from a defined initial value, and increasing to a...
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6422091 |
Apparatus for testing the life expectancy of a straw
An apparatus for testing the life expectancy of a straw having a test straw holder, an upper jaw, a lower jaw, and a frame. One end of the test straw is connected to the test straw holder and the...
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6350533 |
Welded sheet metal component
A sheet metal component, obtained by press-forming a one-piece metal sheet comprised of two metal sheets into a desired shape, has an expanding portion having an external appearance varying in...
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6142022 |
Process and device for wear testing on a pressing clamp
A test body is compressed a reference measure in the wear test on compression pincers. The test body is compressed preferably between two compression jaws. The test body is a bolt which is...
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6053052 |
Panel performance test system
The invention is a performance testing system for wood-based panels. The testing includes performance of a material under a load concentrated in a single area, performance of edge support systems...
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6041661 |
Method and apparatus of testing board product
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6038931 |
Method and apparatus for the testing of plastically deformable objects
A method for testing the integrity at least two test objects, each object is made of a plastically deformable material, by a. contacting a moving means with the objects at a first point in time,...
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5962778 |
Device for monitoring stresses undergone by a tire
A tire which, during use is subjected to one or more severe stresses lead to an appreciable reduction of its potential lifetime of use under nominal conditions. In order to be able to determine...
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5902936 |
Compression test device for paper strips
The present invention relates to a compression test device for a paper strip, including means for laterally holding the strip to limit its buckling during the testing. The lateral holding means...
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5616848 |
Plate testing apparatus and method of testing
An apparatus for evaluating the ultimate strength of a plate of material includes a fixture for holding the plate and a loading element for applying a load to the plate, The fixture has a support...
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5585570 |
Rising step-load test apparatus
A rising step-load test apparatus for subjecting the notched region of a fracture specimen to tension by applying four-point bending to the specimen, and having an adaptor that can fit into the...
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5199305 |
Method and apparatus for measuring the strain developed in a coated surface
A method and apparatus are provided for determining the strain developed in a coated surface. A beam with a coating on a surface thereof is mounted as a cantilever and a force is applied to the...
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5184517 |
Printed circuit board test fixture and method
There is disclosed a printed circuit board text fixture and method for testing printed circuit boards. The test fixture and test method is designed to establish statistical information concerning...
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5165287 |
Determining fracture mode transition behavior of solid materials using miniature specimens
A method of determining fracture mode transition behavior (FMTB) of solid materials by using stress field modified miniature specimens. The method is an improvement in the method of determining...
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5080732 |
Method for determining the relative HAZ toughness of steel
A method for determining the relative HAZ toughness of steel. The method comprises determining at least two thermal cycles of the steel for at least one weld heat input value and then simulating...
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4941359 |
Articulating flexure test fixture
An articulating fixture for the flexure testing of ceramics, having a lower structure for supporting the bottom of a specimen to be tested and an upper structure for placing a load into the top...
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4901582 |
Fixture for brittle pre-crack introduction in ceramic specimen
A fixture capable of a brittle pre-crack introduction of prescribed shape and size in a ceramic specimen with high reproducibility comprises an anvil provided on the upper side thereof with a...
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4763529 |
In-situ beta alumina stress simulator
Method and apparatus for static fatigue testing of ceramic material is described wherein a thin plate of ceramic material is supported at opposite ends thereof in a liquid sodium bath inside an...
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4461168 |
Hydrogen embrittlement tester
A hydrogen embrittlement tester, for a metal sample, has a vise device for holding the sample. For testing bend fracture, the distance between both ends of the sample is measured, which corresponds...
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4409843 |
Device for measuring tablet breaking force
There is provided a device for measuring the force required to break a tablet, wherein the device comprises a tablet holding means comprising a base, a tablet splitting edge in the base and an area...
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4107979 |
Method and device for measurement of environmental stress cracking
Environmental stress cracking of a given material is measured by a method comprising the steps of deforming a test piece of said material for thereby producing stress therein, placing the deformed...
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4090489 |
Fracture toughness test method
An improved method for testing fracture toughness of tungsten carbide, and more particularly sintered tungsten carbide, consists of preparing a specimen from a short rod of sample material by...
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3538757 |
STEADY STATE FRACTURE DEVICE
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3479866 |
HYDROGEN EMBRITTLEMENT TESTING METHOD AND APPARATUS
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3410133 |
METHOD OF AND STRUCTURE FOR TESTING THE WELDABILITY OF HIGH STRENGH STEELS
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3014365 |
Apparatus for testing the bridging strength of elongated solid particles
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2831344 |
Forming test apparatus for thermosetting plastic
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3566680 |
Title is not available
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