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8100021 |
Tensile test device and method for testing deposits on electronic substrates
A tensile testing machine has a jaw which includes a unitary ‘H’ section member having a cross piece and two uprights. The cross piece is mounted to a cantilever beam which is supported on said tes...
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7905151 |
Snap chuck
A device and method for measuring snap member detaching force, the snap member detaching force measurement device includes a cloth holding unit for holding cloth on the periphery of the snap member...
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7866217 |
Device and method for measuring snap member detaching force, and snap chuck
A device and method for measuring snap member detaching force, the snap member detaching force measurement device includes a cloth holding unit for holding cloth on the periphery of the snap member...
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7478563 |
Apparatus and method to measure cable tension
A method and apparatus for measuring tension in a stressed cable wherein the apparatus comprises two clamps, a circuit board and a power source. A transverse acceleration is generated in the...
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7380467 |
Bond integrity tool
The present invention is directed to a bond integrity tool, which includes a shoulder housing, a collar shaft, and an end cap. The collar shaft has a neck portion and a mouth portion. The neck...
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6668231 |
Sheet parameter measurement
A measuring device useful for measuring mechanical properties of highly flexible or limp sheet materials. The device includes a base, a pair of clamping members, with one of the clamping members...
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6561019 |
Method and apparatus for tensile testing a spliced connection of fibers in a fiber splicing device
In a fiber splicing device, an adjustment apparatus for moving a first fiber-section perpendicular to its end face is designed such that it is composed of at least one piezo-actuator and a drive....
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6370962 |
Dynamic high speed tensile tester
A system is provided for determining the tensile characteristics of a sample under dynamic conditions. The system includes an apparatus adapted to accelerate the sample to a desired test velocity...
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6148676 |
Tensile testing machine
Tensile testing device, which measures the strain for a tensile testing specimen (24) by means of the relative displacement of the fastening means (2, 14), as a result of that the attachment of the...
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6033913 |
Detection of ligand Interaction with polymeric material
A method and apparatus for measuring ligand binding to DNA or protein uses changes in the mechanical properties of strips of the DNA or protein to detect the formation of ligand complexes. Samples...
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5920482 |
Methods and systems for varying parameters at a needle swaging station
Methods and procedures for varying parameters at a work station where different size and/or type needles are automatically sutured to different size and/or type sutures, such as: a method and...
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5918284 |
Pull test apparatus for permanently attached sutures
A semi-automated machine for singulating individual surgical needles from an bulk supply and attaching a suture to the surgical needle is described. Each of the surgical needles has a suture...
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5911166 |
Tensile strength tester with clamping load application control
A testing apparatus for measuring the tensile strength of a flat sheet of material with a set of clamping jaw members having respective clamping surfaces. A cylinder is provided for closing the...
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5724257 |
Foundry sand testing apparatus and system
Foundry sand testing apparatus, method and system are provided for testing foundry sand. A computer foundry sand testing system includes at least one sensor for sensing predetermined...
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5581040 |
Multi-functional hydraulic grip
A hydraulic grip suitable for use in both tensile and compressive loading of a specimen comprises generally a main body and an outer housing to form a pair of annular chamber thereinbetween....
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5578762 |
Method and device for the viscoelastic properties of polymeric coatings of optical fibers
A method and device are provided for measuring the viscoelastic characteristics of polymeric coatings of optical fibers directed on a coated fiber. The ends of the fiber are inserted into a pair of...
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5481923 |
Holder of fatigue test piece
The improved sample holder comprises a cylinder portion 5 having a center hole through which a test piece is inserted, a reciprocating ram rod 7 that is inserted into said hole and which is...
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5421205 |
Apparatus for the rapid ultimate material strength testing of test samples
The ultimate tensile strength of a test sample is tested in a high speed testing machine having a frame (2), a force measuring device (9A), and a load application mechanism (3, 4) for applying a...
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5367900 |
Can tester
The present invention includes a can tester having a main body for holding a can, a mechanism for positioning and securing the can, a movable measuring portion and a mechanism for moving the...
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5337614 |
Fixture for testing mounting integrity of heat sinks on semiconductor packages, and method of testing
A reliable, repeatable, well-characterized, safe technique for testing the mounting integrity of heat sinks adhered to semiconductor packages is disclosed. Generally, a semiconductor package is...
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5329820 |
Materials testing grip
A materials testing grip for tensile testing of small fibers includes a pair of inwardlyconverging surfaces into which a fiber may be easily pressed, and which in fiber tension is characterized by...
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5271279 |
Apparatus for measuring the elongation of sample strips
An apparatus for measuring the respective elongations of several sample strips (13), comprises: a vertical frame (51) provided with a fixed upper gripping jaw (27) and a mobile lower gripping jaw...
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5259174 |
Jaw for traction tests on test piece slivers without heels
The linings of a jaw for traction tests on test piece slivers are made of a moulded material having evolutive hardness and shearing modulus with a variable thickness according to the height of the...
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5224386 |
Tensile testing grip apparatus
Grip apparatus for tensile strength testing of geosynthetic materials includes a pair of opposing first and second grip bars slidably mounted in a frame. Selectively operable locking elements...
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5193397 |
Grip for tensile tests
A grip for the performance of tensile tests on elongated specimens such as steel wires, wherein at least the face of the grip which has an engagement with the elongated specimen is provided with...
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4909085 |
Mechanical property testing machine
In accordance with the present invention an improved alignment assembly is provided wherein when a threaded fastener is the test specimen, the fastener is gripped by a collet made of two...
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4721000 |
Axial loading material testing
A grip for a material testing load frame including a grip plate for engaging the end of an elongated sample having a longitudinal axis and a grip body having one end for connecting to the grip...
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4452088 |
Method and apparatus for gripping uniaxial fibrous composite materials
A strip specimen is cut from a unidirectional strong, brittle fiber composite material, and the surfaces of both ends of the specimen are grit-blasted. The specimen is then placed between metal...
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4292852 |
Method and apparatus for physically testing the integrity of the connection between an electrode assembly and a terminal conductor of an electrochemical cell
In the manufacture of electrochemical cells, the integrity of the mechanical joint between a coiled plate electrode assembly and a terminal conductor welded thereto is tested on the assembly line...
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4107982 |
Vessel for atmosphere for use with material testing device
A vessel for holding the atmosphere in which a test piece is tested has a test atmosphere chamber and an auxiliary chamber intercommunicably formed in a casing and a piston disposed freely slidably...
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4096741 |
Materials testing device
The invention provides a d.c. motor and motor control circuit to conduct characterization tests on materials by applying constant loads to or affecting constant displacements of physical samples of...
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4073185 |
Test piece gripping device
The housing of a test piece gripping device is rectangular and includes two raised pad surfaces extending across the width of the housing at different locations. One of the raised pad surfaces...
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4059992 |
Apparatus for testing the tensile strength of sheet material
An improved testing device for testing the tensile strength of sheet material, such as paper, including a first pair of vertically moving jaws mounted on a support and a second pair of vertically...
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4044595 |
Short span tensile tester system
A short span tensile tester for testing a sheet such as a paper web is provided with two pairs of clamping jaws mounted in adjacent clamping relation, to clamp a portion of sheet material...
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4041806 |
Testing cord-to-elastomer adhesion
The adhesion of cord or wire to the elastomer, rubber, or rubbery material is measured by exerting forces or loads collinear with the cords or wires such that one of the cords or wires is pulled...
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4000644 |
Method and apparatus for testing tensile properties
A single ligament specimen is used to test the tensile properties in the short transverse direction of metal plate. A method of testing the specimen includes holding the specimen on one side of the...
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3954005 |
Proof loading apparatus for testing rod-like articles
Proof Loading apparatus for the non-destructive testing of rod-like articles, characterized in that it comprises a jack housing (1) incorporating at least one hydraulic ram (2, 3), first and second...
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3938373 |
Method and apparatus for tensile testing of metal foil
Accurate, reproducible results in the tensile testing of thin metal foils are obtained by a method which comprises before placing the test specimen in a tensile testing machine, working the side...
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3838596 |
METHOD AND APPARATUS FOR CONTINUOUSLY TESTING SAMPLES OF SHEET MATERIAL
Disclosed is a method and apparatus for automatically and continuously testing successive samples of sheet material by performing the functions of: automatically feeding a continuous length of the...
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3789660 |
PROCESS, MACHINE AND CHART FOR TENSILE TESTING
Processes of testing and a testing machine especially suited to tensile testing of dough-like materials. In the invention the test specimen is pressed into jaws whose sides do not move relative to...
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3721119 |
TENSILE TESTING MACHINE
High speed repetitive testing machine for specimens such as paper, etc. The operator slides a specimen on a fixture which properly aligns the same along a test axis. A test button is pressed and...
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3707119 |
APPARATUS FOR TESTING THE TENSILE STRENGTH OF SHEET MATERIAL
The apparatus includes a pair of upstanding support members, each mounting clamps adapted to be in a position juxtaposed to each other, and the support members are mounted in pivotal relation one...
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3545264 |
METHOD AND APPARATUS FOR TENSILE TESTING OF STEEL BARS
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3447363 |
TENSILE TESTING APPARATUS
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3388592 |
Tensile testing machines
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3331242 |
Strain endurance test fixture
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3318141 |
Stocking stretching test device
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3309918 |
Test sample holding and alignment means for tensile testing machines
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3107716 |
Gripping heads for sheet-stretching machines
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3091960 |
Article tensioning apparatus
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