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H001907 |
Apparatus for initiating fatigue related damage on a member
Apparatus is disclosed for initiating fatigue related damage on a circumferential surface of a rotatable member resultant from application of a tensile stress condition and a superimposed contact...
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6100709 |
Silicon wafer testing rig and a method for testing a silicon wafer wherein the silicon wafer is bent into a dome shape
A wafer testing rig includes a stand, a first contact component, a second contact component and a biasing device. The first contact component is mounted to the stand. The second contact component...
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6082201 |
Method and apparatus for measuring displacement of terminal contact segment
An apparatus for measuring a permanent displacement of an elastic contact segment of a terminal having a displacing load imposing unit, wherein a terminal to be measured is clamped on a surface of...
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6067860 |
Circuit device integrity evaluation arrangement and method
According to one aspect of the disclosure, the present invention provides methods and arrangements for testing the integrity of laminate and solder adhesion strength in circuit devices. Methods...
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6055867 |
Panel testing apparatus and method
Apparatus and method for non-destructively testing the stiffness of wood panels. The apparatus comprises a support framework having infeed, center and outfeed support assemblies mounted to the...
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6050149 |
Device for measuring bending strength of sheet material
A device for measuring the natural bending strength of a sheet material, and for measuring the bending strength of a creased or scored portion of the sheet material, and for dynamically analyzing...
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6044713 |
Strain measurement system and method
A system for simultaneously measuring strains in a test member includes spatial-position members which are coupled to different portions of the test member and first and second displacement sensors...
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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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5983729 |
Slender column force transducer
A force transducer is formed by utilizing a slender column, having co-extensive opposing flat surfaces, interposed between a fixed member and a member movable toward the fixed member so that the...
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5979244 |
Method and apparatus for evaluating internal film stress at high lateral resolution
Methods and apparatus for evaluating internal film stress on a sample at high lateral resolutions are provided. The sample comprises at least one material and has a planar or smooth surface. To...
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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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5936165 |
Methods for uniform heating and cooling of large objects
A system for simultaneously measuring strains in a test member includes spatial-position members which are coupled to different portions of the test member and first and second displacement sensors...
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5918255 |
Method for testing motor armature shafts
A method for testing motor armature shafts is disclosed. The method includes simulating armature shaft loading conditions to test armature shaft reliability for failure. The shaft has a...
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5911665 |
Fatigue crack resistant liquid packaging pouch
A polymeric film and method for overcoming the problem of "pinholes" created in filled pouches by the harmonic motion occurring during transport of the filled pouches. The polymeric film composed...
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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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5892157 |
Apparatus for measuring the flexural stiffness of moved laminar-shaped material
An apparatus for measuring the flexural stiffness of a moving laminar-shaped material web is disclosed that guides the material web over two stationary guide rollers and a deflecting roller. The...
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5872318 |
Method and apparatus for inducing fully-reversed three-dimensional loading on a non-rotating beam
The inventive fatigue-testing apparatus features a compact orbital mechan which rotates a bending force around a non-rotating test section and a stationary test bed. In addition to applying a...
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5850043 |
In-place shear wall testing method and apparatus
A method and apparatus for the in-place testing of the shear strength of a rectangular area of a wall. The method includes affixing a first shoe to an upper corner of a rectangular area of the wall...
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5804738 |
Method and apparatus for on-line testing of the stiffness or strength of panels and especially of wood panels
A method and apparatus for testing the stiffness or strength of wood panels while the panels are moving along a production line, in which the panels are moved lengthwise through a tester having...
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5717144 |
Collapsible container test fixture
Apparatus for testing the collapsibility of a plastic container, the container having a bottom, a peripheral side wall and an upper opening, the side wall formed with at least one peripheral fold...
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5699274 |
Panel performance test system
The invention is a performance testing system, i.e., performance of a material under a load concentrated in a single area. The system is computerized and automatically applies a load to a panel to...
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5665922 |
Bending strain measurement apparatus for an abdomen of an anthropomorphic dummy and abdominal injury presumption apparatus using the same
A bending strain measurement apparatus for an abdomen of an anthropomorphic dummy comprises a band constituted of an elastic thin plate member. The band is arranged in a longitudinal direction of...
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5652395 |
Bending sensor
A bending sensor of the invention is formed of a flexible segment, a pressure-sensitive electrically-conductive resin film formed on the flexible segment, and a pair of electrodes to be attached to...
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5610846 |
Method for coordinate measurement on workpieces adjusted for bending of measuring apparatus structure
The method is used to determine the elastic bending behavior of coordinate measuring machines as a result of the measuring force and the position of measuring slides in the measuring range of the...
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5606134 |
Score bend testing apparatus and method
A score bend testing apparatus consists of a base having an upwardly facing support surface which supports a scored sheet of material. The support defines a forward edge, and the score is...
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5591921 |
Device for measuring the bending of a cylinder
Bending movement of a cylinder in a rotary printing press is measured by using a bending rod that is connected to the cylinder journal at one end and to a lateral register adjustment device at its...
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5574227 |
Paper board crease force measuring device
An apparatus and method for determining the crease characteristics of a corrugated paper board sample including a sample location area, a load cell located such that a portion of the surface of the...
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5566570 |
Method and apparatus for evaluating fold endurance and surface adhesion of sheet materials
An apparatus and method uses vacuum restraint, or other pressure differenl, to hold the ends of a sheet specimen to two opposing surfaces, thereby creating a fold in the specimen. As the opposing...
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5531123 |
Remote and powerless miniature fatigue monitor and method
A method and passive monitor for measurement of fatigue is provided. The method includes locating regions of high stress on a structure or material to be monitored, identifying the direction of...
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5505094 |
Test block for handcuff key and method of using same
A test block and method of testing for law enforcement personnel to quickly and easily test the strength of and gauge the dimensions of a handcuff key before it is used in actual handcuffs. The...
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5503024 |
Apparatus for testing lumber stiffness
Improved apparatus is described for measuring bending stiffness of dimension lumber. Innovative details are introduced that make the measurement more accurate and repeatable as well as making the...
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5419202 |
Paperboard score bend testing device and method
A device and method for measuring the force or pressure required to break a score and bend a sheet of paperboard along a pre-formed score line. The device includes means for clamping one portion of...
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5379641 |
Method for measuring the deflection in the shaft of a golf club for controlling the dynamic loft angle of a club
The invention relates to a method for measuring the deflection in a golf club shaft (3) for controlling the dynamic loft angle of a shaft. The method comprises the steps of fixedly clamping a shaft...
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5297440 |
Method and apparatus for testing the bending characteristics of surgical needles
An apparatus for determining the bending characteristics of a curved surgical needle having a butt end portion and a tip portion including a base support, a clamp for releasably gripping the butt...
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5259249 |
Hip joint femoral component endoprosthesis test device
A femoral component of a hip endoprosthesis includes a lateral supporting wedge designed to be supported by the proximal lateral femur when in use. The wedge can be an integral part of the material...
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5212654 |
Testing of poles
The residual strength of electricity poles is determined by the deflection of the poles under a pre-determined applied load. The load is applied by an extensible ram which has a foot secured to the...
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5182722 |
Apparatus for assessing the stiffness of a sheet
The invention relates to an apparatus (2) for assessing the stiffness of a sheet (4), such as a currency note, by measuring the extent and rate of movement of the trailing edge of the sheet (4)...
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5178017 |
Test fixture for measuring stiffness in flexible materials
A test fixture apparatus for measuring the bending stiffness of specimens of flexible materials such as elastomers and like polymers. The preferred form includes two elements, an anvil member and a...
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5163330 |
Apparatus for testing an elongated conduit using an internally applied non destructive wall deformation
A method for non-destructive evaluation of a conduit, gallery or similar structure as shown which involves mechanical tests using an apparatus for applying forces to the walls of the structure in...
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5156053 |
Measuring system using a robot
A robot measuring system automatically measures a mechanical characteristics of an object to be measured. The system includes a pressing robot for adding a predetermined pressing force to the...
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5127778 |
Musical reed duplication
A machine for duplicating musical reeds comprises a force sensor supporting a drill bit, which acts both as a measuring contact, when stationary, or as a tool for removing material from the surface...
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5117093 |
Maintenance of linearity of support beam
A system for controlling deflections of an elongate body transverse to a longitudinal axis of the body, the system including: a sensor mounted on the body for producing an output signal when the...
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5103680 |
Method of testing split ceramic alignment sleeve and apparatus therefor
A cylindrical split alignment sleeve of ceramic material has an axial slit and is used in an optical fiber connector for connecting optical fibers to each other. In order to establish the strength...
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5101667 |
Method enabling a diagnosis to be made of the condition of a conduit or gallery and equipment for the implementation thereof
A method for non-destructive evaluation of a conduit, gallery or similar structure as shown which involves mechanical tests using an apparatus for applying forces to the walls of the structure in...
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5097713 |
Apparatus for testing the stiffness of fabrics
Apparatus for testing the stiffness of fabrics comprises a box defining a space that is free of air currents, the top wall being movable to permit access to the space, the rear wall having a planar...
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5092180 |
Device for measuring deformations in an elongated machine component, especially the doctor beam of a coater
A device for measuring deformations in an elongated machine component, especially the doctor beam of a coater. A strip that can be elastically deformed or is resiliently mounted longitudinally and...
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5067353 |
Roof sheathing test system
A roof sheathing test system (10) is provided which may be manually operated and is substantially non-destructive in nature for load and deflection testing of roof sheathing (12). The roof...
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5065631 |
Gauge for measuring bending of structures
A gauge for measuring bending of structures comprises a bending bar which may be attached to the structure so that it bends in response to bending of the structure and having means for measuring...
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5022273 |
Apparatus and method for testing the bending strength of needles
An apparatus and method is disclosed for determining the bending strength of curved surgical needles. The apparatus includes a means to releasably grip the butt end portion of the needle connected...
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