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Measuring And Testing > Specimen Stress Or Strain, Or Testing By Stress Or Strain Application > By Loading Of Specimen (e.g., Strength Of Material Test)

By Loading Of Specimen (e.g., Strength Of Material Test)

By Loading Of Specimen (e.g., Strength Of Material Test) patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

07/31/14 - 20140208861 - System and method for improving a workpiece
A method of modifying a workpiece includes providing a workpiece, determining a load stress profile associated with a load condition, the load stress profile comprising a load stress greater than a material stress limit of the workpiece, determining a residual stress profile, the residual stress profile comprising a residual stress...

07/24/14 - 20140202256 - Systems and methods for determining strength of cylindrical structures by internal pressure loading
In one embodiment, an apparatus, includes: a mandrel; an expansion cylinder, comprising: opposite first and second ends; an inner circumferential surface extending between the ends and characterized by an inner diameter, the inner circumferential surface defining a hollow cavity; an outer circumferential surface extending between the ends and characterized by...

05/15/14 - 20140130603 - Device and method relating to a sensing device
Methods, devices, and systems relating to a sensing device are disclosed. A device may comprise a structure including a first surface and a second, opposite surface, wherein the structure comprises one or more segments. Further, the device may include a plurality of sensors disposed on the structure, wherein each segment...

04/17/14 - 20140102211 - Head assembly for a material testing machine and method of servicing the same
A testing machine includes a pair of vertical columns, a crosshead selectively positionable on the vertical columns, and a head assembly supported by and movable with the crosshead. The head assembly has an electric actuator, a support that can be selectively moved from a first position when the test machine...

04/03/14 - 20140090479 - Test method, test rigs and control system
A method for load relieving a test object, wherein a load is applied by a multiplicity of hydraulic devices positioned side by side each introducing a partial load into the test object such that the test object has a minimum deflection in an area close to its fixation and a...

02/27/14 - 20140053653 - Apparatuses, systems, and methods for testing a mattress
Apparatuses, systems, or methods for testing a mattress system are described herein. Apparatuses and systems can include a robotic arm assembly and a mannequin to simulate natural human motion or movements that occur during use of a mattress system. The apparatuses and systems described herein can test a mattress system...

01/30/14 - 20140026672 - Sample for electron microscopy and method of manufacturing the same
A sample for electron microscopy includes a base member and a sensor. The sensor is configured to measure data on the sample. The sensor includes an insulating member and a measuring element. The insulating member is deposited in or near an area of observation that is defined on a surface...

01/23/14 - 20140020475 - Viscoelasticity measuring apparatus
A viscoelasticity measuring apparatus that measures viscoelasticity of a measurement target with high precision is provided. The measuring apparatus includes: a casing; a surface contact part provided in the casing and brought into surface contact with skin; a ball indenter that moves toward the skin more than the surface contact...

12/19/13 - 20130333480 - Test apparatus, compliance mechanism, and related method
A test apparatus configured to test connectors is provided. The test apparatus may include a fixture that holds a first connector and an actuator that holds a mating second connector. The actuator may axially displace the second connector in and out of engagement with the first connector. A compliance mechanism,...

12/05/13 - 20130319127 - Nanomechanical testing system
An automated testing system includes systems and methods to facilitate inline production testing of samples at a micro (multiple microns) or less scale with a mechanical testing instrument. In an example, the system includes a probe changing assembly for coupling and decoupling a probe of the instrument. The probe changing...

11/14/13 - 20130298690 - Entropy-based impact load identification
Methods and apparatus for identifying the location of the load on a structure. Various embodiments include calculating a plurality of potential loading sites, assessing the statistical order of each of those predictions, and selecting regions of the structure where the load most likely occurred based on the orderliness (or randomness)...

11/14/13 - 20130298691 - Part fatigue fracture evaluating apparatus, part fatigue fracture evaluating method, and computer program
There is derived an index FS (P) obtained by integrating the product of a probability distribution function f (√{square root over ( )}areamax) of an inclusion size √{square root over ( )}areamax of a part and a “size S (P, √{square root over ( )}√{square root over ( )}areamax) of...

10/24/13 - 20130276545 - Measurement apparatus for measuring elasticity coefficient of coil spring
A measurement apparatus includes a workbench, a loading mechanism fixed to the workbench, a deformation measuring mechanism, and a stress meter. The deformation measuring mechanism includes a slide beam, and a displacement meter. The loading mechanism includes a guiding shaft extending through a to-be-tested coil spring. A measuring pole of...

09/26/13 - 20130247680 - Material testing machine
A material testing machine measuring strain of a tube-like test piece, comprising: a plurality of radial direction displacement detection units; an axis direction displacement detection unit; and a calculation unit that calculates the strain, wherein: each of first and second displacement meters of at least one of the radial direction...

07/11/13 - 20130174665 - System and method for aligning a test article with a load
An apparatus for orienting a test article relative to a loading axis includes a first member and a second member. The first member may have a concave surface. The second member may have a convex surface configured to engage the concave surface in a manner such that the second member...

06/13/13 - 20130145858 - Apparatus for interfacing with a test specimen
The disclosure is directed at a system for applying a displacement, strain, stress or load to a test specimen. The system includes an interface manufactured from a deformable material which is connected to an actuator and to the test specimen. Application of a displacement by the actuator causes the test...

06/13/13 - 20130145859 - Test fixture for strip samples
A test fixture for applying a prescribed displacement to a material includes a first and a second portion, a first and second adjustable pin, and an actuator. The first portion includes a first pin that engages the material at a first location on the material. A second pin engages the...

03/14/13 - 20130061682 - Shock test device
The invention provides a shock test device suitable for an expansion slot of a computer system. The shock test device includes a mainboard, a structure unit and a detection module. The mainboard has a connecting finger electrically connected to the expansion slot. The structure unit is disposed at the mainboard...

11/22/12 - 20120291561 - Pipeline insertion tool
The apparatus mounts on a high pressure pipe and moves a witness coupon into and out of the pipe. A coupon holder assembly is secured to a driver. A coupon rod is engaged within the coupon holder assembly and the driver, wherein, an upper end of the coupon rod is...

09/13/12 - 20120227508 - Test apparatus for the mechanical testing of components and material samples
The invention relates to a test apparatus and a test method for the testing of samples by mechanical action upon the sample. The test apparatus comprises a sample region and a cylinder, which is movable in relation to the sample region, and at least two linear drives, each with a...

08/30/12 - 20120216623 - In situ roof covering test method & device
A machine for testing shingles and structure covering with a measuring devise supported above the surface, The way it measures shingle strength, Database of new undamaged shingle strength values based upon manufacture, shingle type and approval ASTM test method, How the devise attaches to the shingle specimen, Moveable and repeatable...

08/30/12 - 20120216624 - Viscoelasticity measuring apparatus
Provided is a viscoelasticity measuring apparatus in which an undesirable sample shape change such as a buckle caused as a result of thermal expansion of a sample is eliminated so as to prevent a deformation in a displacement detector direction due to the thermal expansion and a bending of the...

05/17/12 - 20120118071 - Methods and apparatus for detecting cross-linking in a polymer
Methods and apparatus for detecting cross-linking in a polymer, wherein, in some exemplary implementations, the polymer may constitute an encapsulation layer for a photovoltaic module. In one example, a polymer sample is physically deformed, and sample information relating to a relaxation or a recovery of the polymer sample in response...

04/19/12 - 20120090400 - Sensor-enabled geosynthetic material and method of making and using the same
The present invention is directed to a sensor-enabled geosynthetic material for use in geosynthetic structures and geosyntapes, a method of making the sensor-enabled geosynthetic material and the geosyntapes, and a method of measuring geometric strains of a geosynthetic product made from the sensor-enabled geosynthetic material. The sensor-enabled geosynthetic material includes...

04/19/12 - 20120090401 - Method and apparatus for testing load-bearing capacity
In an embodiment, a hydraulic jack is provided having a first portion and a second portion. The first portion attached to a first section of a structure and the second portion attached to a second section of the structure. When a pressurized fluid is forced between the first portion and...

04/19/12 - 20120090402 - Device and method to sense battery internal state
Provided is a device to sense battery internal state that can sense tiny elastic waves accompanying a reaction inside a battery and can accurately ascertain changes in battery internal state. The device (10) to sense the internal state of a battery (1) comprises restraining members (5, 5) that apply compressive...

04/12/12 - 20120085177 - Method for testing lift equipment
The method is for testing load equipment. A trolley is provided that has a housing with an upwardly sloping front segment and an upwardly sloping rear segment. Upwardly directed weights are stacked side-by-side on the front and rear segments so that the weights lean towards each other. The trolley is...

03/29/12 - 20120073382 - Method and device for testing the stability of a pole
The invention relates to a method for testing the stability of a mast standing on a substrate or of a similarly standing system. According to such a method for testing the stability of a standing system, the natural frequency of a mast to be examined is determined. By the aid...

03/15/12 - 20120060620 - Device for an axial load gauge
The invention relates to a device for investigating the statistical variability of an axial load gauge. The device is inserted into an axial load gauge and a load is gradually applied. At a preset load, a mechanism within the device controllably collapses and the applied load is safely transmitted through...

01/12/12 - 20120006124 - Methods, devices, and systems relating to a sensing device
Methods, devices, and systems relating to a sensing device are disclosed. A device may comprise a structure including a first surface and a second, opposite surface, wherein the structure comprises one or more segments. Further, the device may include a plurality of sensors disposed on the structure, wherein each segment...

01/12/12 - 20120006125 - Mechanical strength tester
A mechanical strength tester includes a steel ball and a hollow cylinder including a supporting configuration. The diameter of the steel ball is less than the diameter of the cylinder. The supporting configuration is operable to support the steel ball on the top of the cylinder and release the steel...

12/29/11 - 20110314925 - Deflection testing apparatus and method for using
An apparatus for testing the ability of a material or component to deflect comprises a table on which a component or workpiece made of the material is mounted. The workpiece is mounted using a suitable holding and supportive device. The supportive device includes a fulcrum on which the workpiece is...

11/24/11 - 20110283805 - Method and apparatus for testing load-bearing capacity
In an embodiment, a hydraulic jack is provided having a first portion and a second portion. The first portion attached to a first section of a structure and the second portion attached to a second section of the structure. When a pressurized fluid is forced between the first portion and...

11/24/11 - 20110283806 - Mechanical load testing system
A system for determining load capacity for a photovoltaic module includes a clip to position a photovoltaic module surface at a load test position and a load test device proximate to the clip, including a pressure applicator and an actuator, wherein the actuator is capable of moving the pressure applicator...

09/08/11 - 20110214507 - Bond strength tester with switchable backlash control
A bond strength testing apparatus comprising a main body, a test tool mount for holding a test tool, and an axial drive mechanism including a screw and nut assembly. The drive mechanism couples the test tool mount to the main body and allows for relative movement between the test tool...

08/25/11 - 20110203384 - Instrument for determining a quantity associated with a force exerted on a rotor
Rheometer, also usable for stress-strain-investigations, with at least one bearing (28; 35) having an adjustable stiffness in a direction normal to the bearing surfaces (19, 20, 21, 22, 23, 24, 26, 27). The instrument further includes a system (31, 32, 33, 34; 36, 37) for controlling a parameter for adjusting...

06/16/11 - 20110138925 - Material sample for testing biaxial stress conditions
Described is a material sample for testing material properties under biaxial load as well as a method therefor. The material sample has a circular disk shape and, for rotation about the center line thereof, is provided with an integrally formed hub. The edge of the material sample and the hub...

03/10/11 - 20110056303 - Method and apparatus for testing load-bearing capacity utilizing a ring cell
An annular assembly, or ring cell, is provided for testing the load bearing capacity of piles. The ring cell walls of the annular assembly can be made of stamped material. The ring cell walls can be an outer ring wall and an inner ring wall. Alternately, the ring cell walls...

01/13/11 - 20110005328 - Bi-axial electromagnetic actuator
A biaxial electromagnetic actuator for a materials testing apparatus comprises a first electromagnetic actuator for imparting a linear force to an output shaft and a second, direct drive electromagnetic actuator for imparting a rotational force to the shaft. The shaft is mounted in two combination bearings which permit the shaft...

09/23/10 - 20100236333 - Method for assessing remaining lifespan of bolt used at high temperatures
assessing the remaining lifespan of the bolt with the use of the elongation rate between before and after the use of the bolt to be assessed and the lifespan-assessment diagram....

07/22/10 - 20100180691 - Sensor-enabled geosynthetic material and method of making and using the same
The present invention is directed to a sensor-enabled geosynthetic material for use in geosynthetic structures, a method of making the sensor-enabled geosynthetic material, and a method of measuring geometric strains of a geosynthetic product made from the sensor-enabled geosynthetic material. The sensor-enabled geosynthetic material includes a polymeric material and an...

06/10/10 - 20100139413 - Strain sensor and corresponding sensor arrangement
The invention relates to a sensor as a built-in component of an object, especially an elastic object, the sensor comprising a polymer material containing electroconductive additives according to the invention and thereby acting as an expansion sensor (2), in that it measures the static and dynamic expansions of the object...

02/18/10 - 20100037699 - Edible wafer products produced by extrusion
The present invention relates to edible wafers, in particular to extruded wafers and to the use of these wafers in confectionery....

02/04/10 - 20100024564 - Connection strength testing device
A strength testing device for testing a connection strength between two articles when a connection interface therebetween located vertically and includes a blade member, a suspending member, and a handle. The suspending member includes a relay portion, a first connection portion and a second portion disposed at two opposite ends...

01/21/10 - 20100011873 - Material testing machine
The present invention includes: a pair of columnar members 12a and 12b disposed on both sides of a specimen SP; a crosshead 15, constructed so as to bridge the pair of columnar members 12a and 12b, that applies a load to the specimen SP by moving in a direction of...

11/19/09 - 20090282927 - Multi-sample conditioning system
A multi-sample conditioning system may include a sample chamber for each sample or a sample chamber holding one or more samples. Multiple samples enable replication for statistical analysis and individual sample chambers enable individual nutrient flow profiles for each sample. A mechanical imbalance may be created when a sample chamber...

10/08/09 - 20090249886 - Testing apparatus of mechanical endurance
An apparatus for testing mechanical endurance includes a bed for installing a workpiece, a clipping imitator capable of clipping a clipping ring of the workpiece, a hinging imitator capable of engaging with a hinge of the workpiece thereby making the workpiece tend to rotate, a cam, an oscillating rod following...

07/30/09 - 20090188326 - Strength measuring method of honeycomb structure having insertion hole
There is disclosed a method for measuring the strength of a honeycomb structure provided with an insertion hole preferably without generating any chipping. In the strength measuring method of the honeycomb structure, the strength is measured while a rubber plug is inserted into the insertion hole. The rubber plug has...

04/30/09 - 20090107250 - Apparatus amd method for measuring chuck attachment force
An apparatus and method for measuring a chuck attachment force are provided. The apparatus is capable of measuring loads applied to a measurement substrate, while the measurement substrate is detached from a chuck, and precisely calculating necessary force through a process of comparing and analyzing values of the measured loads....

04/23/09 - 20090100938 - Engine block durability test
The object of the invention is to provide an alternative method for durability testing of an engine block. The engine block comprises cylinder cavities, which cylinder cavities are separated from each other by intermediate walls, each intermediate wall comprising a bolt hole. The method comprises the step of: removing a...

03/05/09 - 20090056467 - Method and system for evaluating rod breakout based on tong pressure data
A method for evaluating rod quality and wellbore dynamics includes receiving information about the rod size and tong type for a rod pulling operation. Expected breakout pressures can be determined based on the rod size and/or tong type and can be input into an evaluation system. Upper and lower limits...