| Entries |
| Document | Title | Date |
|---|
| 20090007689 | MATERIAL TESTING MACHINE - A material testing machine is provided, in which a motor is used as a driving source of a loading mechanism, and the material testing machine can always perform a material test accurately, without requiring skilled operators, trial and error, or a longer time when setting control gains. A ratio K(t) of an inspection value F(t) of a control quantity to a displacement θ(t) of a motor | 01-08-2009 |
| 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 for acceptable rod breakout pressures can be calculated based on the expected breakout pressure and/or rod size. Actual rod breakout pressures can be evaluated while pulling rods from a well and compared to the upper and lower limits. Rod breakout pressures below the lower limit or above the upper limit can generate an alarm notifying a rig operator to evaluate the condition of the rod to determine if the rod can be reused. The rod breakout pressures can be recorded as breakout pressure data for further evaluation, including determinations of improper rod make-up and poor well conditions. | 03-05-2009 |
| 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 test specimen from an area of the intermediate wall of the engine block, such that the test specimen comprises the bolt hole. | 04-23-2009 |
| 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. This may prevent errors in the application of attachment force during a semiconductor manufacturing process. In the semiconductor manufacturing process, when the substrate is detached from a chuck, the substrate may be prevented from being deformed or cracked. | 04-30-2009 |
| 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 a hardness of 45 or more and 90 or less, a clearance between the inserted rubber plug and the inner surface of the insertion hole parallel to the depth direction of the insertion hole is 0.2 mm or more and 2.6 mm or less, and the protruding height of the inserted rubber plug from the peripheral surface of the honeycomb structure is 0.5 mm or more and 5 mm or less. | 07-30-2009 |
| 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 the cam, a pressure sensor capable of receiving pressure from the workpiece, a first arithmometer for taking count of pressure dropping the pressure sensor detects, and a second arithmometer for taking count of cam cycles. The oscillating rod includes first and second arms. The second arm engages the cam and can impel the clipping imitator to detach from the clipping ring. The first arm can press the workpiece down. In a cam cycle, if the workpiece does not break, the count of the first arithmometer equals to the count of the second arithmometer; or if breaks, the counts are different. | 10-08-2009 |
| 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 is removed or when samples of different stiffness are conditioned together. The mechanical imbalance may result in an undesired alteration of the desired conditioning profile and increase the variation in the conditioning profile applied to each sample. An asymmetric-loading support assembly provides a low friction support to reduce the undesired alteration of the desired conditioning profile applied to the samples and reduce unwanted reaction loads on the conditioning drive mechanisms. The asymmetric-loading support assembly preferably includes a flexure as the low-friction, high-stiffness support. Other examples that can provide low-friction, high-stiffness support include air bearings, magnetic bearings, and hydraulic bearings. | 11-19-2009 |
| 20100011873 | MATERIAL TESTING MACHINE - The present invention includes: a pair of columnar members | 01-21-2010 |
| 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 of the relay portion. The blade member includes a blade seating on one of the articles. A holder is formed on the second connection portion to hold a critical weight to break the two articles along the connection interface. A gravity line of the weight crosses with the blade. | 02-04-2010 |
| 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. | 02-18-2010 |
| 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 ( | 06-10-2010 |
| 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 electrically conductive filler. The polymeric material and an electrically conductive filler are combined to provide a sensor-enabled geosynthetic material. The sensor-enabled geosynthetic material having a predetermined concentration of the electrically conductive filler so as to provide the sensor-enabled geosynthetic material with an electrical conductivity and a strain sensitivity within the percolation region or slightly above it. | 07-22-2010 |
| 20100236333 | METHOD FOR ASSESSING REMAINING LIFESPAN OF BOLT USED AT HIGH TEMPERATURES - The present invention is intended to provide a method for assessing remaining lifespan of a bolt with higher precision than conventional methods, which can be applied to a bolt comprising a high alloy with fewer tissue changes caused by creep damage. | 09-23-2010 |
| 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 to move axially and rotationally. One of the bearings is located within a hollow cylindrical member which constitutes the armature of the direct drive actuator in order to provide a compact and symmetrical arrangement. | 01-13-2011 |
| 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 can have a “U”-type shape cross-section including an outer ring wall, an inner ring wall, and a top wall. Fluid can be provided to the annular assembly through fluid supply lines into an expansion zone. The expansion zone can be a space having a bladder for filling with fluid. In another embodiment, the expansion zone can be a space between a filler material capable of withstanding high pressure separated with a membrane. The pressure of the fluid in the expansion zone can be monitored during testing. | 03-10-2011 |
| 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 are thicker than the ring section of the material sample located in between. In one embodiment, the ring section is designed with an annular concave fillet concentric to the hub and the concave fillet may extend from the edge to the hub and have a continuous curvature over its width. In the method, it is rotated about its center line at least at 100,000 rpm, preferably at 150,000 rpm±10,000 rpm. | 06-16-2011 |
| 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 ( | 08-25-2011 |
| 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 mount and the main body in an axial direction. A backlash control element is coupled to the main body and the test tool mount, and, in operation, biases the test tool mount relative to the main body in an axial direction. The backlash control element is switchable between a first state in which the test tool mount is biased in a first axial direction by the backlash control element, and a second state in which either the test tool mount is biased in a second axial direction by backlash control element, or the backlash control element applies no biasing force to test tool mount. The apparatus can be automated to apply the appropriate backlash control for a particular, selected test type. | 09-08-2011 |
| 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 the second portion, a load is transferred to the first section and the second section by the pressure of the fluid on the first portion and the second portion. The first section and the second section are forced apart by the load, thus creating or enlarging at least one void in the structure. The pressurized fluid fills or partially fills one or more of the at least one void, thereby increasing the surface area effectively normal to the direction of the load in contact with the pressurized fluid. | 11-24-2011 |
| 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 toward the load test position. | 11-24-2011 |
| 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 partially supported. A loading device is used to apply a load to the workpiece. A computer or PLC in operable communication with the loading device is used to operate the apparatus and assess the ability of the material of the workpiece to deflect. A process used to assess the testing of a material comprises the steps of deflecting a workpiece of the material and measuring at least one of a force used to deflect the workpiece and a distance the workpiece is deflected. | 12-29-2011 |
| 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 of the one or more segments comprises a first sensor of the plurality of sensors coupled to the first surface and an associated second sensor of the plurality of sensors coupled to the second surface. Moreover, each sensor of the plurality of sensors may be configured to measure a strain exhibited on an adjacent surface of the structure at an associated segment of the one or more segments. | 01-12-2012 |
| 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 ball to fall down in the cylinder under force of gravity. | 01-12-2012 |
| 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 the structure of the device. A comparison of the load measured on the device load cell against that measured on the gauge load cell facilitates calculation of the repeatability and reproducibility of the axial load gauge. The test is non-destructible and highly repeatable; it permits comparison of load measurements made on different axial load gauge types and in different factories. | 03-15-2012 |
| 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 of the natural frequency, a measure for the stability is determined computationally and/or numerically and evaluated on the basis of the determined measure for stability. A device is comprised of the means to be able to implement such a testing method in automatized manner. | 03-29-2012 |
| 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 stopped by engaging the brake support against the ground so that the front segment is substantially parallel to the ground. Weights are added or removed from the trolley by downwardly inserting or upwardly pulling, respectively, the weights without removing any of the wheels. The trolley is connected to lifting equipment. The lifting equipment lifts the trolley from the ground. | 04-12-2012 |
| 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 a polymeric material and an electrically conductive filler. The polymeric material and an electrically conductive filler are combined to provide a sensor-enabled geosynthetic material. The sensor-enabled geosynthetic material having a predetermined concentration of the electrically conductive filler so as to provide the sensor-enabled geosynthetic material with an electrical conductivity and a strain sensitivity within the percolation region or slightly above it. | 04-19-2012 |
| 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 the second portion, a load is transferred to the first section and the second section by the pressure of the fluid on the first portion and the second portion. The first section and the second section are forced apart by the load, thus creating or enlarging at least one void in the structure. The pressurized fluid fills or partially fills one or more of the at least one void, thereby increasing the surface area effectively normal to the direction of the load in contact with the pressurized fluid. | 04-19-2012 |
| 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 ( | 04-19-2012 |
| 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 to the deformation is obtained. The sample information is then compared to reference information relating to cross-linking of the polymeric material so as to determine a degree of cross-linking in the tested polymer sample. In one aspect, such a determination of polymer cross-linking is achieved without adversely affecting a relevant functionality of the polymer/encapsulation layer (e.g., without destruction to the polymer/encapsulation layer). | 05-17-2012 |
| 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 results, and Compares damaged and non-damaged shingles based upon their ASTM test method certification. | 08-30-2012 |
| 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 sample between a sample grasping member and a chuck, to thereby improve accuracy of measurement. In the viscoelasticity measuring apparatus, a thin part is provided in a part of an elastic arm for holding the sample so as to be easily deformed by a thermal expansion force of the sample. Thus, an undesirable shape change such as the buckle generated when the sample is expanded thermally is effectively eliminated, and necessary stiffness is maintained with respect to a load of the sample and hence accuracy of measurement is improved. | 08-30-2012 |
| 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 first drive part, which is fixed in place with respect to an end of the sample region, which faces it, and with a second drive part, which is movable in relation to the first drive part and is driven and which is fixed in place with respect to the cylinder. Advantageously, the movement axes of the linear drives run parallel to the longitudinal axis of the cylinder. In a preferred embodiment, a test set-up of the test apparatus has a rigid load frame. | 09-13-2012 |
| 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 engaged with the driver and a lower end of the coupon rod is positioned within the coupon holder assembly but may be driven in translation downwardly and out of the coupon holder assembly. A clamp may be engaged with the coupon rod securing it in a fixed position when the coupon rod is not being moved. A ball valve is used to isolate the apparatus from the high pressure pipe, and once isolated, a bleed valve is used to vent to atmospheric. | 11-22-2012 |
| 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 for simulating a weight and a supporting structure. The detection module is coupled to at least one pin of the connecting finger for detecting a touch condition between the connecting finger and the expansion slot so as to produce a warning signal. In this way, the shock test device can detect whether or not a link plug-in in a host computer (for example, the link between the expansion slot and the connecting finger portion of the shock test device) is disconnected due to shocking or unseen disconnected and then reconnected again. | 03-14-2013 |
| 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 specimen to displace in multiple directions. | 06-13-2013 |
| 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 material at a second location on the material. A third pin engages the material at a third location on the material. The first adjustable pin holds the material against the second pin at the second location. The second adjustable pin holds the material against the third pin at the third location. The actuator is adapted to configure a relative position between the first pin and the second and third pins. | 06-13-2013 |
| 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 is movable relative to the first member. The test article may be coupled to one of the first and second members such that relative movement thereof facilitates general alignment of the test article with the axial loading axis. The leveling apparatus may further include a plurality of positioning devices configured to facilitate adjustment of an orientation of the second number relative to the first member such that the alignment of the test article may be adjusted. | 07-11-2013 |
| 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 displacement detection units comprises: a needle; a fixed frame; a movable frame; and a displacement sensor having a body part and a contact protruding from the body part, and wherein a tip of the contact contacts a stopper plate; the needle is oriented in the radial direction of the test piece; the needle protrudes from an end of the movable frame; displacement in the radial direction of the test piece is detected by detecting a moving amount of the needle; and the calculation unit calculates a curvature radius in the tube axis direction of the test piece. | 09-26-2013 |
| 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 the stress meter, the sliding beam, and the guiding shaft are coaxial. Opposite ends of the coil spring are respectively abutted the slide beam and the loading mechanism. A measuring pole of the displacement meter is connected to the sliding beam. When the stress meter slides towards the slide beam, the displacement of the detecting pole of the displacement member is equal to a change of a length of the coil spring, and recorded by the displacement meter, and a value of a force applied to the coil spring is recorded by the stress meter. | 10-24-2013 |
| 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) of the assessments. | 11-14-2013 |
| 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 ( )}area | 11-14-2013 |
| 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 assembly includes a probe change unit configured to grasp one of a plurality of probes in a probe magazine and couple one of the probes with an instrument probe receptacle. An actuator is coupled with the probe change unit, and the actuator is configured to move and align the probe change unit with the probe magazine and the instrument probe receptacle. In another example, the automated testing system includes a multiple degree of freedom stage for aligning a sample testing location with the instrument. The stage includes a sample stage and a stage actuator assembly including translational and rotational actuators. | 12-05-2013 |
| 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, which may be coupled to the fixture or the actuator, may provide one of the connectors with compliance in order to facilitate alignment of the connectors during engagement and disengagement thereof. The compliance mechanism may allow movement of one of the connectors perpendicularly to the actuation axis and/or angular movement about the actuation axis while preventing axial movement within the compliance mechanism. Accordingly, forces associated with engagement and disengagement of the connectors measured by a load cell may more closely resemble actual forces experienced by a user during use of the connectors. | 12-19-2013 |
| 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 part and is pushed into the skin; a driving unit that supports the ball indenter and moves the ball indenter toward the skin; a load cell whose right end side is fixed to the casing and left end side supports the driving unit, the load cell detecting a pushing load that pushes the ball indenter into the skin; and a control unit that obtains displacement of the ball indenter. | 01-23-2014 |
| 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 of the base member. The measuring element is deposited on a surface of the insulating member or over the surface of the base member and the surface of the insulating member. | 01-30-2014 |
| 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 for firmness and/or durability. Also described herein are methods for testing a mattress system with a robotic arm assembly and a mannequin. | 02-27-2014 |
| 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 maximum deflection in an area far away from the fixation, wherein the load is reduced sequentially from the maximum deflection to the minimum deflection. A test rig is provided that enables an autonomous and non-synchronical load relief of a test object based on pressure difference. A test rig is provided that enables an autonomous and non-synchronical load relief of a test object based on a delay time and a control system for such test rigs. | 04-03-2014 |
| 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 is operated to a lowered position. The support supporting components are related to powering or controlling the electric actuator, said components are exposed for servicing in the lowered position. | 04-17-2014 |
| 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 of the one or more segments comprises a first sensor of the plurality of sensors coupled to the first surface and an associated second sensor of the plurality of sensors coupled to the second surface. Moreover, each sensor of the plurality of sensors may be configured to measure a strain exhibited on an adjacent surface of the structure at an associated segment of the one or more segments. | 05-15-2014 |
| 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 an outer diameter that is greater than the inner diameter; and a plurality of slots extending from the inner circumferential surface to the outer circumferential surface and latitudinally oriented between the ends; and one or more base plates configured to engage one of the ends of the expansion cylinder. In another embodiment, a method includes: arranging an expansion cylinder inside a test cylinder; arranging a mandrel inside the expansion cylinder; applying a force to the mandrel for exerting a radial force on the expansion cylinder; and detecting one or more indicia of structural failure of the test cylinder. | 07-24-2014 |
| 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 less than the material stress limit of the workpiece, and providing the workpiece with the residual stress profile, wherein a sum of the load stress and the residual stress is less than the material stress limit of the workpiece. | 07-31-2014 |
| 20140230560 | THREE DIMENSIONAL PIEZOELECTRIC MEMS - Method and apparatus for a piezoelectric apparatus are provided. In some embodiments, a method for fabricating a piezoelectric device may include etching a series of vertical trenches in a top substrate portion, depositing a first continuous conductive layer over the trenches and substrate, depositing a continuous piezoelectric layer over the first continuous conductive layer such that the piezoelectric material has trenches and sidewalls, depositing a second continuous conductive layer over the continuous piezoelectric layer, etching through the vertical trenches of the first continuous conductive layer, continuous piezoelectric layer, second continuous conductive layer, and top substrate portion into a bottom substrate portion, etching a series of horizontal trenches in the bottom substrate portion such that the horizontal trenches and vertical trenches occupy a continuous free space and allow movement of a piezoelectric MEMS device created by the above method in three dimensions. | 08-21-2014 |
| 20140260654 | METHOD TO CARRY OUT ACCURATE FINITE ELEMENT ANALYSIS OVER A TANGLED MESH - A method is provided for carrying out finite element analysis. The method includes the step of meshing a domain under a field with a plurality of finite elements. Each overlapping finite element is detected and a stiffness contribution due to the plurality of finite elements is calculated. A stiffness contribution due to the overlapping finite elements is also calculated and combined with the stiffness contribution due to the plurality of finite element. | 09-18-2014 |
| 20140260655 | Apparatus for Testing Release Functionality of a Snow-Ski Binding and a Hand Tool Each Having an Axial-Force Indicator - A ski-binding testing apparatus that includes an axial-force indicator that indicates when a force applied to the testing apparatus has an axial component that is outside of an acceptable range. In one example, the apparatus includes a simulated foot, a force-transmitting structure coupled to the simulated foot, a handgrip coupled to the force-transmitting structure, and an axial-force indicator that indicates when a forced applied by a user to the handgrip exceeds a predetermined threshold. In one embodiment, the force-transmitting structure can include a torque wrench that includes a torque beam, the handgrip, and axial-force indicator. The torque wrench can be provided with a conventional work-engagement end, such as a socket-type receiver to allow the axial-force-indicating functionality to be used outside the context of a ski-binding testing apparatus. | 09-18-2014 |
| 20140318264 | VEHICLE TEST APPARATUS AND VEHICLE TEST SYSTEM - A vehicle test apparatus includes: a test article installation vehicle body to which four axles corresponding to four wheels that are a left front wheel, a right front wheel, a left rear wheel and a right rear wheel are attached, and on which a test article is installed; a first motion base that supports the test article installation vehicle body, and that allows the test article installation vehicle body to make motions of six degrees of freedom; and four second motion bases each of which supports a corresponding one of the axles, and each of which allows a corresponding one of the axles to make motions of six degrees of freedom. | 10-30-2014 |
| 20140366638 | DYNAMIC VISCOELASTICITY AS A RAPID SINGLE-CELL BIOMARKER - The present invention generally relates to a method for determining the dynamic viscoelastic properties of cells, more particularly to a method for rapidly determining the dynamic viscoelastic properties of healthy and unhealthy cells by determining the phase shift be the application of a modulating force to the cells and the cells' response to the modulating force. | 12-18-2014 |
| 20150007667 | Test piece, test method, wind turbine generator system - The invention relates to a test piece for determining a specific material property of a fiber-reinforced plastic composite under applied mechanical loading. | 01-08-2015 |
| 20150330881 | ANALYZING METHOD OF SPOT WELDED PORTION, ANALYZING PROGRAM OF SPOT WELDED PORTION, RECORDING MEDIUM AND ANALYZING APPARATUS OF SPOT WELDED PORTION - An analyzing method of a spot welded portion, includes: acquiring bar elements as the spot welded portion; extracting other bar elements existing at a periphery of a target bar element which is targeted among the acquired bar elements; determining whether or not there is a bar element which shares the same end point with the target bar element among the extracted bar elements; determining that the target bar element and the bar element which shares the same end point with the target bar element are a three-layer spot welded portion when it is determined that there is the bar element which shares the same end point with the target bar element; and determining whether or not there is a bar element whose distance between elements with the target bar element is within a predetermined distance among the extracted bar elements when it is determined that there is not the bar element which shares the same end point with the target bar element, and determining that the target bar element and the extracted bar element are not the three-layer spot welded portion when it is determined that there is not the bar element within the predetermined distance. | 11-19-2015 |
| 20150338325 | UNIVERSAL GRIP SYSTEM - Provided are universal grip systems and method of using universal grip systems to test coupons. According to various examples, a universal grip system includes two grips and two guide posts for supporting the two grips and allowing the two grips to move with respect to each other. Each grip may include one or two wedges. The wedges are used to engage the coupons during testing and provide anti-buckling support and/or anti-rotation support. The wedges are slidably coupled within corresponding grips, which allows the universal grip system to engage and disengage the coupons by moving one grip with respect to another. The grips may be constructed from thermally neutral materials, such as invar 36. The grips may thermally isolated from the guide posts by, for example, a set of spacers disposed between the grips and linear bearing slidably coupled to the guide posts. | 11-26-2015 |
| 20150377754 | Multi-Axis Universal Material Testing System - A universal materials testing machine is disclosed. In one embodiment, the machine comprises a plurality of grips holding a circular material specimen sheet; the grips being capable of pulling the material specimen radially outward. Each grip is connected to a force measurement sensor such as a load cell. The grip and the load cell assembly is connected to a linear actuator assembly. The linear actuator assembly comprises a motor connected to an arm that can move along a straight line. The actuator pulls or pushes the load cell and grip assembly. A camera module captures images of the specimen while being stretched or released. A data processing system gathers camera module images along with force measurements from the load cells. An analysis module running on the data processing unit computes stress and strain measurements and fits them to user selectable material model. | 12-31-2015 |
| 20160018306 | Method and Apparatus for Direct-Acting Wide Frequency Range Dynamic Mechanical Analysis of Materials - An improved method and apparatus for direct-acting dynamic mechanical analysis that accomodates sample distortion due to environmental (e.g., temperature) variation. | 01-21-2016 |
| 20160025600 | SYSTEM AND METHOD FOR DETERMINING A LOCATION OF FOULING ON BOILER HEAT TRANSFER SURFACE - Detecting fouling of a heat exchanger of a boiler includes emitting a spray of pressurized fluid from a nozzle of a sootblower element when the nozzle is adjacent to a surface of the heat exchanger, and sensing a value indicative of a reactive force created by an impact of the pressurized fluid on the surface of the heat exchanger and translated back to the sootblower element through the spray of the pressurized fluid. The method also includes determining when a substantial deposit is on the surface of the heat exchanger indicating fouling based on the value indicative of the reactive force. | 01-28-2016 |
| 20160041050 | Testing apparatus, systems and methods for statically determining free play of aircraft control surfaces - Testing apparatus, systems and methods are provided to obtain measurements pertaining to aircraft control surfaces mounted to stationary aircraft structures for displacements about a hinge axis. A support structure and an actuator carried by the support structure may be provided, the support structure including attachment assemblies for positionally fixing the testing apparatus to the stationary aircraft structure. The actuator carried by the support structure includes a rectilinearly movable actuator shaft which contacts the aircraft control surface when the support structure is positionally mounted to the stationary aircraft structure. Actuation of the actuator will thereby cause the actuator shaft to apply a load to the movable aircraft control surface to cause deflection thereof about the hinge axis. | 02-11-2016 |
| 20160084744 | OLIGOCYCLIC FATIGUE OR OLIGOCYCLIC AND POLYCYCLIC FATIGUE TEST RIG - Low-cycle, and optionally combined low-cycle and high-cycle, fatigue test rig, for reproducing bearing of turbine engine parts, comprising a support member which is fixed to a frame and defines at least one bearing surface, and a test piece which is connected to traction means for loading the test piece so that it bears against the or each bearing surface of the member, the or each bearing surface being supported by an element which is mounted so as to rotate about a first axis on the support member, and the test piece being connected to the traction means by means for articulation around a second axis which is substantially perpendicular to the first axis, the rig further comprising means for adjusting and locking the element and the test piece in positions around the above-mentioned axes wherein. | 03-24-2016 |
| 20160091395 | LOAD STRUCTURE FOR TESTING A LOADABILITY OF A LARGE BEARING AND LOAD TESTING METHOD - A load structure for testing a loadability of a large bearing includes a housing, a force-transmitting structure configured to generate a force or a moment relative to the housing and to transmit the force or the moment to a bearing ring of the large bearing, and a force-receiving element connected to the housing and configured to contact a counter ring of the large bearing. The housing is configured to support the counter ring indirectly via the force-receiving element such that the transmitted force or moment is transmitted to the housing at least partially via the counter ring and the force-receiving element, and a material of the force-receiving element has a higher degree of hardness than a material of the housing. Also a method of load testing a bearing. | 03-31-2016 |
| 20160131553 | APPARATUS FOR GENERATING AND APPLYING LINEAR FORCES - An apparatus including a piston bore, exhibiting a longitudinal axis, and a piston, including a piston head and a piston shaft. The piston being axially displace-able within the piston bore along the longitudinal axis. The piston bore and a first surface of the piston head form a first working volume and displacement of the piston alters the first working volume. The apparatus also includes a first plurality of injectors coupled to the first working volume and a first common rail. The first plurality of injectors are configured to inject a hydraulic fluid from the common rail into the first working volume. The first common rail is configured to store the hydraulic fluid at an elevated pressure of 1,000 bar or greater. The apparatus includes a flow path between the first working volume and a reservoir for the hydraulic fluid. | 05-12-2016 |
| 20160146194 | APPARATUS FOR APPLYING A LOAD TO AN INSTALLED WIND TURBINE BLADE AND METHOD OF USING THE SAME - A blade loading system for imposing a force on a wind turbine blade includes a portable load device having a cable, a tower support movably coupled to the tower, and a blade attachment device coupled to the blade and coupled to the cable, wherein when the blade attachment device is coupled to the blade and the tower support is adjacent the blade, the load device induces tension in the cable so that a force is imposed on the blade in a direction toward the tower. A method of applying a force to a blade includes: coupling a tower support to the tower adjacent the base, coupling a cable to the blade attachment device, raising the tower support along the tower, coupling the blade attachment device to the blade, and tensioning the cable to provide a force on the blade in a direction toward the tower. | 05-26-2016 |
| 20160161251 | METHOD FOR CHARACTERIZING THE MECHANICAL PARAMETERS OF A ROADWAY - A method for characterizing k mechanical parameters of a pavement formed by a stack in a direction Z of N layers, including: a) applying a load to the pavement to deform the pavement; b) in response, measuring deformation of the pavement at various points with displacement sensors situated at each of the points; c) determining the k parameters on the basis of the measurements of the various sensors. The measuring b) is carried out by at least k sensors buried inside the pavement and distributed in at least two non-parallel directions X and Y perpendicular to the direction Z, and the c) determining of the k parameters is obtained on the basis of known boundary conditions on lateral edges of the pavement. | 06-09-2016 |
| 20160202160 | High Frequency Displacement Measurement Correction | 07-14-2016 |
| 20220136389 | ROCK ANCHOR WITH SENSOR FOR MEASURING A MECHANICAL TENSION - Embodiments of the present invention relate to a rock anchor with condition monitoring for determining tensions or deformations in form of a conductor trace which is applied on an anchor body, whose electrical resistance changes proportionally with respect to the tension/deformation. The conductor trace may consist of an electrically conductive ink which is directly applied on the anchor body by a printing method. | 05-05-2022 |
