Class / Patent application number | Description | Number of patent applications / Date published |
073818000 | Compressional | 80 |
20080210014 | MAGNETIC STABILITY FOR TEST FIXTURE - A test machine for testing the tension or compression properties of a test specimen is provided. The test machine utilizes magnetic force to prevent the fixture of the machine from rotating while placing the test specimen in tension or under compression, which accordingly prevents the test specimen from rotating as well as the source of such rotation. Unintended forces are thereby minimized, enabling a user to obtain more accurate test results. | 09-04-2008 |
20080257058 | AUTOMATIC KEYBOARD INSPECTION APPARATUS - An automatic keyboard inspection apparatus, adapted for inspecting a keyboard, is disclosed, which comprises: a retractable device, a pressing part, a path control unit and a dual-axial platform; wherein, as the automatic keyboard inspection apparatus is enabled to operate in a first mode, the retractable device will activate a linage rode to move axially so as to trigger the pressing part to drop by the gravity and thus press upon a specific key of the keyboard; and as the automatic keyboard inspection apparatus is enabled to operate in a second mode, specifying a route of a specific traveling distance, the pressing part is direct to travel and fall following the specified route to press upon the specific key; and the dual-axial platform, being adapted for carrying the keyboard, is able to perform a bi-axial movement with respect to a 2-D Cartesian coordinates of X, Y axes so as to enable the pressing part to drop and press on four different corners of the specific key for testing the same. With the aforesaid automatic keyboard inspection apparatus, the yield of keyboards can be increase. | 10-23-2008 |
20090049923 | Method and Device for Controlled Compression Bat Rolling and a Composite Bat Barrel Broken-In By Such Method - A device and method for applying controlled compression to a composite bat includes a plurality of opposing rollers adapted to apply compressive force to a bat's barrel. Application of controlled compressive force to the barrel breaks-in the bat providing greater flexibility and improved performance. The barrel is drawn through a plurality of opposing rollers, rotated as needed, and redrawn through the rollers until the entire circumference of the barrel is affected by the controlled compression break-in process. Also, a composite bat barrel broke in using controlled compression rolling. | 02-26-2009 |
20090049924 | HIGH SUCTION DOUBLE-CELL EXTRACTOR - A high suction double-cell extractor includes an outer cell defining an outer chamber, and an open-ended inner cell defining an inner chamber. The inner chamber is bottle-shaped and has a neck. The high suction double-cell extractor also includes a vertical loading system for applying axial force on a soil specimen during extraction. The high suction double-cell extractor also includes a port for introduction of pressurized air supply into the outer and inner cells. The introduced pressurized air can apply cell pressure on the soil specimen during extraction. The high suction double-cell extractor also includes a relative humidity control system and a differential pressure detector system. The high suction double-cell extractor can be used to measure stress-dependent soil-water characteristics curve (SDSWCC) under various stress states three-dimensionally and more accurately, and under total suction up to 8,000 kPa. | 02-26-2009 |
20090071261 | Mill Configured for a Thermo-mechanical Simulating Test System - Relocate the abstract to the last page of the application and replace the abstract with the following new abstract: | 03-19-2009 |
20090120201 | Ball Compression Testing Apparatus - A golf ball compression testing apparatus has a main body with a ball receiving chamber and pistons movably mounted in aligned bores in the body and extending into the chamber to engage opposite portions of the ball. The first piston is spring loaded into an advanced position engaging the ball, while the second piston is spring loaded away from the ball and urged by a handle operated actuator into an extended position engaging the ball. A pressure gauge associated with the first piston measures a compression rating of the ball when the second piston is moved into the advanced position. Rotation of the handle away from a test position retracts the actuator and allows the second piston to move away from the ball. In one embodiment, a clutch assembly associated with the actuator resists the tendency of the handle to snap back into the inoperative position under the action of the piston return spring. | 05-14-2009 |
20090139342 | DEVICE WITH DETECTION BY SUSPENDED PIEZORESISTIVE STRAIN GAUGE COMPRISING A STRAIN AMPLIFIER CELL - A device, with piezoresistive detection comprising at least:
| 06-04-2009 |
20090145240 | Test device for electronic product - A test device for an electronic product comprises a vertical pressing pole having a pushing end. The test device also comprises a movable platform with a sticking point, wherein upward movement of the movable platform moves the vertical pressing pole upwards by the sticking point. The vertical pressing pole passes through a balance weight which rests on the sticking point. A pressurized platform bears pressure from the pushing end, when the pushing end is pushed onto the pressurized platform. A load-bearing platform supports the pressurized platform and the electronic product located below the pressurized platform. The product is pressed between the pressurized platform and the load-bearing platform due to the pressure from the pushing end lying on the pressurized platform. When the movable platform is further moved downwards after the pushing end is on the pressurized platform, the sticking point bearing the balance weight is separate from the movable platform. | 06-11-2009 |
20100186520 | Microtesting Rig with Variable Compliance Loading Fibers for Measuring Mechanical Properties of Small Specimens - The present invention provides a microtesting rig for measuring mechanical properties of small specimens. The rig includes a microsized specimen positioned on a mounting block, an interchangeable contact tip connected with an actuator and configured for contact with the microsized specimen, and a magnifying imaging system for imaging the microsized specimen. The contact tip may be a fiber platen for compression testing or a fiber grip for tension testing. | 07-29-2010 |
20100236335 | INTEGRATED MULTI-MEASUREMENT SYSTEM FOR MEASURING PHYSICAL PROPERTIES OF GAS DIFFUSION LAYER FOR POLYMER ELECTROLYTE FUEL CELL WITH RESPECT TO COMPRESSION - Disclosed is an integrated multi-measurement system for measuring physical properties including thickness, electrical resistance and differential pressure of a gas diffusion layer for a polymer electrolyte fuel cell with respect to compression. The integrated multi-measurement system simultaneously measures changes in the physical properties of the gas diffusion layer depending on pressure upon measurement of the physical properties of the gas diffusion layer of the fuel cell and also measures through-plane permeability in which a gas is passed through a sample in a direction perpendicular to the sample and in-plane permeability in which a gas is passed through a sample in a direction parallel to the sample. | 09-23-2010 |
20100281995 | GYRATORY COMPACTOR APPARATUSES AND ASSOCIATED METHODS - A gyratory compactor apparatus is provided that is adapted to interact with a mold that defines a mold axis. The gyratory compactor apparatus includes a frame that defines a frame axis and has a first mounting plate and a spaced-apart second mounting plate. A pivoted support is carried by the frame and capable of rotation in at least a first and a second rotational degree of freedom. A mold-engaging device is carried by the pivoted support and has a first carriage plate proximal the pivoted support and a second carriage plate axially spaced-apart from the pivoted support for receiving the mold therebetween. At least one actuator having a first end is carried by the frame and a second end is carried by the second carriage plate for imparting lateral translation to the second carriage plate relative to the frame axis. An associated method is also provided. | 11-11-2010 |
20100288053 | GYRATORY COMPACTOR APPARATUSES AND ASSOCIATED METHODS - A gyratory compactor apparatus adapted to interact with a mold that defines a mold axis is provided. The gyratory compactor apparatus includes a frame defining a frame axis and having a first mounting plate and a pivoted support carried by the frame and capable of rotation in at least a first and a second rotational degree of freedom. A mold-engaging device is carried by the pivoted support and includes a first carriage plate proximal the pivoted support and a spaced-apart second carriage plate that defines a space therebetween for receiving the mold. The second carriage plate has at least one clamping rod in communication with an actuator for translating the second carriage plate about the mold axis to thereby secure the mold in the space between the first and second carriage plates. An associated method is also provided. | 11-18-2010 |
20100294042 | APPARATUS FOR TESTING STRENGTH OF OBJECTS - An apparatus for testing strength of a corner portion of an object includes a support platform, an installing mechanism on the platform, a force gauge, a driving mechanism connected to the slidable plate to move the slidable plate, a clamp mechanism for clamping the object in a fixed position, and a push-pull mechanism. The installing mechanism includes two opposite rail plates mounted to the platform, and a slidable plate slidably mounted between the rail plates. The force gauge is fixed to the slidable plate. The push-pull mechanism is connected to the force gauge to be pushed or pulled by the force gauge. The push-pull mechanism comprises two forcing posts to respectively abut against two sides of the object at the corner portion, thereby exerting push or pull force on the two sides of the corner portion to test strength of the corner portion. | 11-25-2010 |
20100326201 | COMPRESSION MEASUREMENT DEVICE - Performance of a sport equipment, such as a ball bat, is measured by applying a force through a spring of known elastic properties to compress the sport equipment and indicating compliance of the sport equipment to a known standard based on the compression of the sport equipment. | 12-30-2010 |
20110000307 | TEST APPARATUS AND METHOD - The present invention relates to a Test apparatus ( | 01-06-2011 |
20110079087 | METHOD AND APPARATUS FOR DETERMINING VOID VOLUME FOR A PARTICULATE MATERIAL - An apparatus for and method of measuring the compressed volume of a particulate material comprising a chamber for containing a particulate material which will be evaluated; a removable, fixed means at one end of said chamber to enclose said chamber and for containing said particulate material within said chamber; a compression means at the other end of said chamber which further encloses and contains said particulate material within said chamber and which provides a linear force on said particulate material so that one end of said particulate material is linearly movable and said compression means will compress the particulate material in said chamber; means to move said moveable piston away from a particulate material placed inside said chamber to decompress the particulate material in said chamber; means for measuring the distance between said movable piston and said fixed means so to measure the thickness of said compressed particulate material; and measuring means on the moveable piston of said chamber for measuring the applied force of said piston to said particulate material when said piston is compressing said particulate material. | 04-07-2011 |
20110252892 | MEDICAL TESTING DEVICE HAVING MULTIPLE TESTING PARAMETERS - The present invention is a device for testing the mechanical properties of a specimen. The device includes an actuator component slider for positioning the specimen within one of multiple test configuration positions, such that each test configuration position examines the static compression/tension properties, dynamic compression/tension properties, static torsional properties, or dynamic torsional properties of the specimen. | 10-20-2011 |
20110277554 | IN-PLANE COMPRESSIVE STRENGTH EVALUATION DEVICE AND METHOD THEREFOR - A reduction in cost and improvement in evaluation accuracy are achieved. Provided is an in-plane compressive strength evaluation device ( | 11-17-2011 |
20120192655 | DEVICE FOR PERFORMING COMPONENT AND MATERIAL TESTS ON SAMPLES - The device is used to perform component and material tests on samples, in particular compression tests and tensile tests on springs and elastic components, assemblies, and material samples. The device comprises two sample retainers ( | 08-02-2012 |
20120279312 | COMBINED BENDING AND TORSION TEST SYSTEM AND METHOD - A fixture for testing a tubular member simultaneously in bending and torsion is disclosed. The fixture includes first and second attachment elements that are configured to couple to the tubular member, and a load shoe that is configured to fit within the tubular member. The load shoe includes a body having a contact surface configured to contact a portion of an internal surface of the tubular member and at least one load reaction strut coupled to the body. The load reaction strut is configured to pass through a hole in the tubular member and accept a first force applied in a first direction that is perpendicular to an axis of symmetry of the tubular member. | 11-08-2012 |
20120297889 | TURF TESTING APPARATUS AND METHODS - Improved apparatuses and methods for testing turf or other surfaces, in one embodiment, a turf testing apparatus includes two actuators for moving a shoe relative to a turf surface. The first actuator moves the shoe along a substantially horizontal axis and the second actuator moves the shoe along a substantially vertical axis. | 11-29-2012 |
20130042697 | MECHANICAL TESTING SYSTEM AND METHOD - A fixture facilitates using a linear force of a uni-axial test machine to subject a test sample to bending forces. The test machine includes a frame and a crosshead. To generate the linear force, the crosshead translates with reference to the frame in a plane of motion. The fixture includes an upper connecting link, a lower connecting link, and two transverse arms. The upper connecting link is configured to attach to the crosshead for receiving the linear force, and the lower connecting link is configured to attach to the frame. The two transverse arms are pivotably carried between the upper and lower links. Each transverse arm has an inner end configured to attach to the test sample, the test sample being suspended between the arms. The transverse arms pivot in opposite directions in response to the linear force applied to the upper connecting link, exposing the sample to bending forces. | 02-21-2013 |
20130112006 | DETERMINING MAGNITUDE OF COMPRESSIVE LOADING - An apparatus for determining a magnitude of a compressive load applied to a piston including a compliant film disposed between first and second elements is provided. The apparatus includes a first part movable with the first element in a movement direction along which the magnitude of the compressive load is to be determined, a second part movable with the second element in the movement direction and a sensor to measure a distance between the first and second parts in the movement direction, the measured distance being related to a deformation of the compliant film as the compressive load is applied. | 05-09-2013 |
20130118269 | COMPRESSION MEASUREMENT DEVICE - Performance of a sport equipment, such as a ball bat, is measured by applying a force through a spring of known elastic properties to compress the sport equipment and indicating compliance of the sport equipment to a known standard based on the compression of the sport equipment. | 05-16-2013 |
20130186206 | CONSTANT FORCE COMPRESSION TOOL - There is disclosed a constant force compression tool for measuring a compressible material. In an embodiment, the tool includes a handle having a passageway receiving a plunger. The tool includes a biasing member in communication with the plunger and the handle. The tool includes a retaining element in communication with the plunger and the handle. There is disclosed a system for measuring a compressible material with a measurement tube and a constant force compression tool. There is disclosed a method of measuring a compressible material. In an embodiment, the method includes selecting a measurement tube. The method includes placing a compressible material into the measurement tube. The method includes pressing a plunger against the compressible material. The method includes monitoring an indicator to determine a full volume of compressible material between the end of the plunger and the conical tube. Other embodiments are also disclosed. | 07-25-2013 |
20130192383 | System and Method for Testing of Micro-Sized Materials - Apparatus and methods for testing sediment submerged in liquid and manufacturing the apparatus. | 08-01-2013 |
20130199304 | CLAMPING DEVICE - A clamping device for clamping a flat material test sample while a material test is carried out is provided. The clamping device includes a substantially cylindrical clamping part, from the free end of which there extends a receiving slot for receiving the material test sample, a pressure ring surrounding the clamping part in the region of the receiving slot, and a pressure sleeve provided between the clamping part and the pressure ring, the pressure sleeve is formed and actuable such that, under radial expansion, it connects the clamping part and the pressure ring together and clamps the material test sample held in the receiving slot. | 08-08-2013 |
20130269446 | POSITION INDICATOR - A position indicator is provided, which includes a chassis that accommodates a holder therein, wherein the holder in turn accommodates various elements therein. The holder includes a core body engaging portion configured to hold a core body, a component disposing portion in which one or more pressure-sensitive components are disposed in an axial direction so as to receive a pressing pressure applied to the core body, and a printed wiring board mounting portion for being engaged with and mounting a printed wiring board with a longitudinal direction of the printed wiring board as the axial direction. The core body and the one or more pressure-sensitive components are held by the core body engaging portion and the component disposing portion in such a way that their central positions are aligned with each other in a predetermined position. | 10-17-2013 |
20130305835 | METHOD AND DEVICE FOR TESTING BATTERY PLATE PACKS - In order to test battery plate packs ( | 11-21-2013 |
20130319128 | TWO-LAYER TENSION MEASUREMENT SYSTEM FOR COMPRESSION GARMENTS - A two layer compression garment measuring system that displays a pressure indicia when the garment is stretched, wherein the pressure indicia is displayed by moving from a position under an opaque layer of material (at low or no pressure) to a position under a window or transparent or translucent layer of material (at higher pressure). When the indicia can be seen by an observer through the window or transparent or translucent layer, then the higher pressure has been reached. The viewed indicia optionally displays the pressure level. In various optional designs, the location of attachment between the two spaced-apart locations is adjustable, or the length of the upper layer is adjustable such that the attachment location can be aligned with the indicia. A design having a free ended upper layer is also included. | 12-05-2013 |
20130327152 | SYSTEM AND METHOD FOR MEASURING CABLE BENDING FORCE AND CABLE KINK FORCE - A test apparatus includes a first surface configured to apply a linear force in two directions and a first attachment assembly configured to secure a first end of a cable to the first surface. The first attachment assembly is further configured to permit two degrees of rotational freedom. The test apparatus also includes a second surface, opposite the first surface, and a second attachment assembly configured to secure a second end of the cable to the second surface. The apparatus facilitates testing of a bending force and a kink force associated with the cable. | 12-12-2013 |
20130333482 | Compression Testing Device - A compression testing device includes a receiving unit and a pressing unit movable relative to the receiving unit. The receiving unit includes an outer housing, a sleeve inserted removably into the outer housing, and a liquid supplying mechanism. The liquid supplying mechanism is operable to force a culture medium to flow through the outer housing and the sleeve. A specimen unit is disposed removably within the outer housing. Due to the design of the liquid supplying mechanism, a compression test can be performed on the specimen unit, and cells can be cultured on the specimen unit. In this manner, relationship and change between the specimen unit and the cells can be observed in a real life simulating condition. | 12-19-2013 |
20140026675 | DETECTING ANOMALOUS STIFF PILLAR BUMPS FORMED ABOVE A METALLIZATION SYSTEM - Generally, the subject matter disclosed herein relates to testing pillar bumps formed on a semiconductor chip so as to detect the presence of anomalous stiff pillar bumps. One illustrative method disclosed herein includes positioning a test probe adjacent to a side of a pillar bump formed above a metallization system of a semiconductor chip, and performing a lateral force test on the pillar bump by contacting the side of the pillar bump with the test probe while moving the test probe at a substantially constant speed that is less than approximately 1 μm/sec. | 01-30-2014 |
20140090480 | TESTING AND MEASURING DEVICES, SYSTEMS, COMPONENTS AND METHODS - The embodiments are directed to high precision Micro-Penetration Strength Testers, high pressure Micro-Compression Testers, and/or the like adapted for testing non-conductive thin films or membranes and coated films or coated membranes. At least certain embodiments are directed to Z-direction mechanical and/or insulation strength test methods, devices, instruments, equipment, apparatus, and/or systems, Micro-Penetration Strength Testers adapted for testing thin films, Micro-Compression Testers adapted for testing thin films, high precision Nano Testers for testing non-conductive or semi-conductive materials, films, coatings, coated films, and/or the like, Nano-Penetration Strength Testers, Nano-Compression Testers, Z-Direction Strength Testers, improved indenter tips, micro indenter tips, nano indenter tips, indenter tips for converting a Micro- or Nano-Penetration Strength Tester into a Micro- or Nano-Compression Tester, and/or the methods of converting Micro-Penetration Strength Testers into Micro-Compression Testers. | 04-03-2014 |
20140109683 | PRESSURE POINT INSPECTION DEVICE - The present invention discloses a pressure point inspection device, able to press on a plurality of pressure points on liquid crystal display panel for inspecting display condition, the pressure point inspection device includes: lateral adjustment board, lateral adjustment board including a first lateral board and a second lateral board; vertical adjustment board, disposed crossly on lateral adjustment board, vertical adjustment board including first vertical board and second vertical board, able to fold separately; wherein lateral adjustment board and/or vertical adjustment board disposed with a plurality of inspection heads, vertical disposition gap between first lateral board and second lateral board adjustable and lateral disposition gap between first vertical board and second vertical board adjustable. As such, the pressure point inspection device can save time of pressing pressure points on TFT-LCD and improve inspection efficiency and avoid missing pressure point. | 04-24-2014 |
20140116150 | Methods for Determining Reactive Index for Cementitious Components, Associated Compositions, and Methods of Use - A variety of methods and compositions are disclosed, including, in one embodiment, a method of cementing comprising: providing a settable composition comprising water and a cementitious component having a determined reactive index; and allowing the settable composition to set to form a hardened mass. | 05-01-2014 |
20140130604 | KEY TESTING DEVICE - A key testing device is for testing a key with a keycap. The key testing device includes a loading unit and a sleeve. The loading unit includes a block and a rod. The rod includes a first end and a second end. The first end is detachably connected the block. The sleeve is sleeved around the loading unit, and the sleeve includes a partition plate with a through hole. The second end can pass through the through hole. When the sleeve is above the key and the second end contacts the keycap, the gravity of the loading unit is turned from the partition plate to he applied on the keycap, Consequently, since the key testing device can make the pressure pressing on the key be accurate via a loading unit, the probability of misjudgment is decreased. | 05-15-2014 |
20140137660 | Cement Testing - Devices and methods for testing cement include: a pressure vessel with a sample container inside an interior working volume of the pressure vessel, the pressure vessel configured to supply a first pressurized fluid to control a pore pressure of a cement sample and to supply a second pressurized fluid to lateral exterior surfaces of the sample container to provide a confining pressure that can be different than the pore pressure. | 05-22-2014 |
20140150564 | COMPRESSION MEASUREMENT DEVICE - Performance of an article of sporting equipment, such as a ball bat, is measured by applying a force through a spring of known elastic properties to compress the article of sporting equipment. Compliance of the article of sporting equipment to a known standard is based on the compression of the article of sporting equipment. | 06-05-2014 |
20140260656 | DESTRUCTIVE TESTING DEVICE AND METHOD - A destructive testing device includes an upper mold, a lower mold, a pressure gauge, and a lifting module. The lower mold is opposite to the upper mold. The pressure gauge is connected to the upper mold, and is configured for recording a pressure applied on the upper mold. The lifting module is connected to the lower mold, and is configured for moving the lower mold toward the upper mold. | 09-18-2014 |
20140290378 | TESTING FIXTURE - A testing fixture includes a driving component, a supporting component, a first resilient component, a plurality of connecting components and a plurality of testing components. The driving component includes a board and a sleeve. A guiding slot is formed on a lateral wall of the sleeve. The supporting component includes a base, a bridging pillar and a guiding pin. The base includes a plurality of pivot hole structures. The bridging pillar is disposed on a surface of the base and movably disposed inside the sleeve. The guiding pin is disposed on a lateral surface of the bridging pillar and slidably passing through the guiding slot. The first resilient component is disposed on the bridging pillar and contacts against the sleeve, so as to move the base relative to the board. The connecting components pivot to the pivot hole structures, and each testing component is disposed on the corresponding connecting component. | 10-02-2014 |
20140305224 | MULTI-TOUCH TESTING SYSTEM AND FIXTURE THEREOF - The present disclosure provides a multi-touch testing system and the fixture thereof. The multi-touch testing system comprises a multi-touch testing fixture and a monitoring device. The monitoring device is connected electrically with the multi-touch testing fixture and a device under test disposed at the multi-touch fixture. Thereby, the monitoring device activates the multi-touch testing fixture. The multiple test heads of the multi-touch testing fixture press the device under test simultaneously. Meanwhile, the device under test generates at least a signal. The monitoring device judges if the device under test passes the multi-touch test according to the signal. The pressure of each test head of the multi-touch testing fixture according to the present disclosure is identical to that of any other. In addition, the structure is simplified. | 10-16-2014 |
20140366639 | METHOD AND APPARATUS FOR DETECTING DEGRADATION OF RESIN FILM - A method for detecting degradation of resin film detects whether a resin coated rope having a circumferential portion coated with resin film has the resin film degraded. The method for detecting degradation of resin film includes: winding a wire on a circumferential portion of the resin coated rope; applying tension to the wire to compress the resin film in a radial direction of the resin coated rope; and comparing a first relationship with a second relationship to determine how the resin film is degraded, the first relationship indicating a relationship between the tension of the wire and how much amount the resin film has compressed, as obtained in the applying, the second relationship indicating a relationship between the tension of the wire and how much amount the resin film has compressed, as predetermined as a reference. | 12-18-2014 |
20150068317 | TEST APPARATUS WITH GIMBALED MOUNT FOR CATHETERS - A test apparatus for performing compression tests on catheters. In order to perform the compression tests in a controlled manner and without the risk of causing damage to the catheter, the test apparatus in accordance with the present invention has a gimbal, to which a mount for the catheter is attached. | 03-12-2015 |
20150090046 | System and Method for Testing of Micro-Sized Materials - Apparatus and methods for testing sediment submerged in liquid and manufacturing the apparatus. The apparatus and methods of the present embodiment can provide for nano/micro characterization of mechanical properties of materials submerged in liquid, facilitating specimen preparation and installation, and can provide hydrated materials. The apparatus can include cell walls with optical magnifying lenses so that the materials can be viewed without the aid of a microscope. | 04-02-2015 |
20150128718 | Test Method For Agricultural Baler - A system and method for verifying the operational condition of a rectangular baler having a baling chamber equipped with a reciprocating plunger, the plunger moving between a fully retracted position and extended position, the baler further equipped with a load sensor suitable for determining the reaction force on the plunger as said plunger is compressing crops. Verifying the operational condition includes measuring the reaction force on the plunger or a parameter related to said reaction force, when the plunger is in a position in which it is not exerting a compressive force on the crop material in the baling chamber, comparing the measured reaction force or the parameter to a predefined reference value, and deriving from that comparison an assessment of the baler's condition | 05-14-2015 |
20150292965 | ROBERVAL-TYPE LOAD CELL - [Problem] To increase basic performances of a load cell by forming nearly circular apertures at two positions of the load cell out of four thin sections, in all, of the load cell. | 10-15-2015 |
20150316526 | INTELLIGENT PAD FOOT SOIL COMPACTION DEVICES AND METHODS OF USING SAME - Proper soil compaction is critical to providing structural support in any geo-construction project, particularly road construction. Described herein are devices, methods, and systems for intelligent soil compaction. In some embodiments, these disclosed systems, methods, and devices can provide up to 100% coverage with mechanistic measurements through machine integrated devices. These novel in-situ material characterization devices and methodologies enable continuous, mechanistic monitoring of soil compaction for use with a variety of geo-construction devices, including static pad foot soil compactors. In one embodiment, a strain gage instrumented pad is integrated into a pad foot soil compactor, and contact force is measured instrumented pad that is sensitive to soil compaction. In other embodiments, the disclosed device may allow for mechanistic measurements that may use a simplified geometry, and numerical and analytical modeling. In some embodiments, an inverse model, based on finite element modeling, may be used to extract constitutive parameters from plate strains. | 11-05-2015 |
20150346043 | HIGH SENSITIVITY, LOAD ALLEVIATING LOAD SENSOR FOR STRUT APPLICATION - A load-sensing strut has a main body ( | 12-03-2015 |
20160047723 | COMPOSITE TEST SPECIMEN - A particular composite test specimen includes a first tab, a second tab, and a gage section between the first tab and the second tab. The first tab, the second tab, and the gage section are machined from a composite test blank. The composite test blank includes a plurality of plies arranged with first ply layers having fibers oriented in a first direction and second ply layers having fibers oriented in a second direction, where the first direction is different than the second direction. | 02-18-2016 |
20160054211 | DEVICE AND METHOD FOR MEASURING TRUE TRIAXIAL CREEP OF GEOTECHNICAL ENGINEERING TEST BLOCK - Device and method for measuring true triaxial creep of a geotechnical engineering test block, including a supporting structure; the device includes four confining pressure-plates and upper-and-lower compression-plates forming an enclosed cavity for the test block; confining pressure-plates include two long confining pressure-plates and two short-confining pressure-plates, upper-and-lower compression-plates are rectangular top and bottom steel-plates, two L-shaped long confining pressure-plates bent towards the outer side lapped on two adjacent side faces of the bottom steel-plate, two L-shaped short-confining pressure-plates bent towards the outer side lapped on remaining two-side faces of the bottom steel-plate, and bottom ends of the short-confining pressure-plates are placed on the bottom steel-plate; top ends of long confining pressure-plates lapped on the top steel-plate, and top steel-plate leans against inner side faces of two short-confining pressure-plates; vertically pressure sensors corresponds to four confining pressure-plates and upper-and-lower compression-plates in the supporting structure, and grating shortrulers on pressure sensors. | 02-25-2016 |
20160061700 | APPARATUS AND METHOD FOR TESTING CUSHIONING COMPONENTS - An apparatus for testing a cushioning component for a body part includes a jig that has a three-dimensional anatomical shape. A base is configured to support the cushioning component. An actuator is operatively connected to at least one of the jig and the base and is activatable to move said one of the jig and the base toward and away from the other of the jig and the base to repeatedly contact the cushioning component and the jig with one another. An electronic controller has a processor that executes a stored algorithm. The algorithm has a test condition substantially equivalent to an expected in-use condition of the cushioning component. The electronic controller activates the actuator to move the jig and/or the base according to the algorithm. A method of testing a cushioning component is implemented. | 03-03-2016 |
20160061701 | METHOD AND APPARATUS FOR TESTING GEL-BASED LOST CIRCULATION MATERIALS - A compression test rig apparatus for determining a mechanical characterization of a gel-based LCM test sample comprising an LCM test cell configured to contain the gel-based LCM test sample, the LCM test cell comprising a cylinder wall defining a cell space volume configured to hold the gel-based LCM test sample, and a floor defining an extrusion hole configured to extrude the gel-based LCM test sample to create an extruded gel; an extruded gel collector configured to receive the extruded gel from the extrusion hole as an extruded gel volume; a perforated disc comprising perforations, wherein the perforated disc is configured to allow the gel-based LCM test sample to pass through the perforations; and a flat foot disc piston in flush contact with the cylinder wall, the flat foot disc piston configured to compress the gel-based LCM test sample at a displacement speed to produce compression data. | 03-03-2016 |
20160166325 | MEDICAL EXAMINATION AND/OR TREATMENT DEVICE | 06-16-2016 |
20160174663 | SHOE TESTING APPARATUS | 06-23-2016 |
20160252437 | LOADCELL PROBE FOR OVERLOAD PROTECTION | 09-01-2016 |
20220134010 | Testing Device and Method for Testing Moving Force of a Plunger of a Syringe - The present invention relates to a testing device for testing the moving force of a plunger of a syringe, comprising a fixture, FX, ( | 05-05-2022 |
073819000 | Plural specimen or multiaxial loading | 2 |
20100037701 | SYSTEMS AND METHODS FOR EVALUATING MATERIAL FOR PULLING ROLLS - Disclosed are systems and methods for evaluating the properties of material used in the manufacture of pulling rolls. In one embodiment, a method is provided for aligning plates comprising the material along an axis and compressing the plates to form a cartridge. The plates can be compressed by a piston. The cartridge can be rotated by a motor. In one embodiment, the cartridge, while rotating, is contacted with a cutting surface to produce a surface finish on the cartridge. Properties such as compressibility, recovery and resiliency, and hardness can be measured. | 02-18-2010 |
20140013856 | DYNAMIC TEST FIXTURE - A text fixture apparatus for testing structures with a compression testing machine. The test fixture apparatus includes a support plate assembly and a load plate assembly. The support plate assembly includes two parallel support plates and has sloped surfaces to support a first and second structures and angles of equal magnitude and opposite slope. The load plate assembly is configured to oppose the support plate assembly, includes at least one load plate, and allows the load plate assembly to apply a load to the structures in response force on the support plate assembly, load plate assembly, or a combination thereof in a direction other than perpendicular to the sloped surfaces. A vertical force applied by the assemblies results in substantially equal and opposite horizontal components of force on the first structure and the second structure. Methods of testing and of making the apparatus are provided. | 01-16-2014 |
073821000 | To fracture, crushing, or yield point | 11 |
20110132099 | TRIAXIAL CELL FOR THE TESTING OF GEOMATERIALS IN COMPRESSION AND IN SHEAR - The invention relates to a cell for testing geomaterials on cylindrical specimens, of rock, ground or materials manufactured on sampling sites, including at least one piston for subjecting a specimen to a stress directed along the longitudinal axis of the specimen. According to the invention, the cell has, in addition, means for shearing the specimen, capable of cracking the specimen while it is being compressed in said at least one piston. | 06-09-2011 |
20120079888 | Method and Apparatus for Quality Control and Quality Assurance of Sized Bridging Materials Used in Drill-In Fluid Formulation - Methods and apparatuses are provided for testing and quantifying structural durability characteristics of bridging materials. Embodiments include sieving bridging materials to create uniform batches having particles within a predefined range. Embodiments further include selecting a batch and drying the batch, separating the dried batch into dry samples, and selecting a test sample having an initial mass. Embodiments include sealing the test sample, a volume of liquid, and a rod in a cylindrical testing cell and rotating the cylindrical testing cell containing the rod such that the rod rolls in relation to an inner wall of the cylindrical testing cell and applies force partially crushing the test sample. Embodiments further include sieving a resulting sample to create a durable sample having particles within the predefined range and drying the durable sample. Embodiments of methods further include measuring a mass of the dried durable sample to define a durable mass and comparing the durable mass to the initial mass. | 04-05-2012 |
20120118072 | APPARATUS FOR MEASURING THE UNCONFINED YIELD STRENGTH AND TIME UNCONFINED YIELD STRENGTH OF BULK GRANULAR MATERIAL - An apparatus is provided for measuring the unconfined yield strength and time unconfined yield strength of bulk granular materials and powders. A sample of bulk material is consolidated under controlled pressure in a sample cup with a hole or holes in the bottom. A moveable base smaller than the internal cup dimensions covers the hole(s) to prevent material from escaping the cup and to provide a base for removing the consolidated sample from the cup. After a predetermined time, the consolidated sample is removed from the cup by lifting the base relative to the cup walls through the hole(s) in the bottom of the cup. Once removed from the cup, the strength of the consolidated sample is measured by applying pressure to the top of the sample until the sample breaks. For time tests, the sample is consolidate with weights over predetermined time periods. | 05-17-2012 |
20130228019 | CEMENT TESTING - Systems and methods provide for testing a cement by applying force in a first direction until the first portion of the cement sample fails in compression or tension; and applying force a second direction opposite the first direction until the second portion of the cement sample fails in tension or compression. | 09-05-2013 |
20130263673 | METHOD OF QUALITY CONTROL FOR DETERMINING THE COMPRESSIVE STRENGTHS OF GROUT IN MULTIPLE MOLDS - A method for testing compressive strength of multiple molds filled with a liquid settable grout wherein samples of the liquid settable grout are taken at selected filling intervals and poured into a container, and the container is sealed and the time, date and location information regarding the mold then being filled is recorded on the container. The sample container is then left in the same environment as the mold being sampled. A curve is generated which projects a final compressive strength based on compressive strengths at various cure times. The sample is removed from its container after a selected cure time and subjected to a series of Schmidt hammer tests, and these compressive strength readings are used to determine the projected final compressive strengths of the sample based on the cure time from the established curve. | 10-10-2013 |
20140053655 | ENDOSSEOUS DENTAL IMPLANT LOADING FIXTURE - An apparatus for fatigue testing an article includes a base having a platform for receiving an article to be tested, a shaft extending toward said platform for applying a force to said article, a coupling assembly connected to said shaft, said coupling assembly comprising a joint that pivots about an axis, and flex pivots disposed to be aligned with said axis about which said joint pivots | 02-27-2014 |
20140174193 | METHOD, APPARATUS AND SAMPLE FOR EVALUATING BONDING STRENGTH - There are provided a method, an apparatus and a sample for evaluating bonding strength, the method including setting a micro-region including a bonded interface in an evaculated sample, forming a first groove in a circumferential portion of the micro-region to have a predetermined depth, processing a side of the micro-region to form a second groove connected to the bonded interface, and applying pressure on the micro-region to measure a critical point at which a delamination of the micro-region is generated. | 06-26-2014 |
20150033869 | TABLET TESTING DEVICE - The invention relates to a tablet testing device for testing tablets with at least one tablet testing station suitable for carrying out at least one test procedure, and preferably at least one apparatus suitable for receiving, and possibly also crushing, the tablet, and also at least one device for positioning a test specimen in accordance with the procedure. The device in accordance with the invention for positioning the tablet includes at least one movable positioning surface, preferably a flap, and at least one further surface that interacts with this positioning surface for the purpose of positioning the tablet. | 02-05-2015 |
20150362415 | Test Method and Fixture for Obtaining Material Properties Under Biaxial Loading - A test method and corresponding fixture design are provided which enable loading a circular test coupon (made, e.g., of ceramic matrix composite material) to failure under biaxial loading conditions while recording strain and temperature. Biaxial loading requires approximately equal loads to be applied in two directions concurrently. The disclosed method uses liquid coolant (e.g., liquid nitrogen) to cool a ring made of metal alloy (e.g., aluminum alloy) that is disposed radially outward from and surrounds the outer edge of the test coupon. The cooled metal alloy ring contracts and compresses the test coupon until failure occurs. | 12-17-2015 |
20160003721 | TENSION AND COMPRESSION TESTER FOR FRACTURE STRESS TEST OF COMPACT PIPE SAMPLE - A tension and compression tester for a fracture stress test of a compact pipe sample having a crack portion formed thereon, comprises: a pair of holders each of which is configured to surround both ends of the compact pipe sample respectively such that the crack portion is interposed between both ends of the compact pipe; fixing portions each of which is disposed between the compact pipe sample and the holder to enhance fastening between the compact pipe sample and the holder; levers each of which is connected with the fixing portion and the holder to deliver tension or bending to the compact pipe sample; and separation preventing portions for fixing both ends of the holder and the lever with each other to prevent separation of the lever and the holder. Accordingly, the tester can conduct both tension and compression tests, while easily applying loads on the sample during the test. | 01-07-2016 |
20160076983 | ENDOSSEOUS DENTAL IMPLANT LOADING FIXTURE - An apparatus for fatigue testing an article includes a base having a platform for receiving an article to be tested, a shaft extending toward said platform for applying a force to said article, a coupling assembly connected to said shaft, said coupling assembly comprising a joint that pivots about an axis, and flex pivots disposed to be aligned with said axis about which said joint pivots. | 03-17-2016 |
073822000 | Plastic flow or creep | 2 |
20150107368 | METHOD AND SYSTEM FOR CREEP MEASUREMENT - A method and system for monitoring creep in an object are provided. The creep monitoring system includes a creep sensor assembly that includes at least one image pattern pair disposed on a surface of the object. The creep monitoring method includes receiving information from the creep sensor assembly regarding an observed creep and an offset associated with the object, correcting the observed creep using the information regarding the offset and outputting the corrected information relative to the creep. | 04-23-2015 |
20150323432 | Pin loaded small one-bar specimen (OBS) - This innovation comes as development to the small specimens creep testing methods which are used to determine the material mechanical properties, creep strength and to determine the remaining life time for the critical high temperature engineering components operating at creep range. The Pin loaded small one-bar specimen can be made from small material samples removed from the component suffuses or from small material zones such as the heat effected zone (HAZ) or from the weld metal (WM) of welded joints. The specimen is loaded using four loading pins connected to flexible loading joints, under high temperature and stress levels, until the rupture of the specimen. The specimen deformation is recorded throughout the test duration and then converted to the corresponding uniaxial date using conversion relationships. The converted test results than used to obtain the creep strength and to determine the remaining life time for the components. The conversion relationships and the conversion factors are obtained using the finite element analyses. Full creep strain time curves can be obtained using this specimen type, therefor the specimen is capable of obtaining the minimum creep strain and rupture data. The creep data obtained from the small OBS are compared with the corresponding, uniaxial, experimental results for P92 steel at 650° C. and for P91 steel at 650° C. The results show remarkably good agreement between the creep data obtained from the finite element analyses for the small OBS and the experimental uniaxial creep data. The advantages and the future work of the testing techniques are also highlighted. | 11-12-2015 |
073824000 | By rotating squeezing element | 1 |
20130118270 | GYRATORY COMPACTOR APPARATUSES AND ASSOCIATED METHODS - A gyratory compactor apparatus adapted to interact with a mold that defines a mold axis is provided. The gyratory compactor apparatus includes a frame defining a frame axis, a pivoted support carried by the frame, and a mold-engaging device carried by the pivoted support and having a carriage plate spaced-apart from the pivoted support for receiving the mold. The carriage plate is movable relative to the frame axis by rotation of the pivoted support. At least one actuator is in engagement with the carriage plate for imparting translation to the carriage plate relative to the frame axis. | 05-16-2013 |
073825000 | With hydraulic or pneumatic actuation | 7 |
20080202253 | Systems and methods for evaluating material for pulling rolls - Disclosed are systems and methods for evaluating the properties of material used in the manufacture of pulling rolls. In one embodiment, a method is provided for aligning plates comprising the material along an axis and compressing the plates to form a cartridge. The plates can be compressed by a piston. The cartridge can be rotated by a motor. In one embodiment, the cartridge, while rotating, is contacted with a cutting surface to produce a surface finish on the cartridge. Properties such as compressibility, recovery and resiliency, and hardness can be measured. | 08-28-2008 |
20110005330 | Apparatus for measuring the strength of solar cells - Disclosed is an apparatus for measuring the strength of solar cells. The apparatus includes a shell, a flexible element, a fastener unit, an inlet valve and a vent valve. The shell is used to cover the solar cells. The flexible element is disposed in the shell, thus dividing the interior of the shell into a first chamber and a second chamber. The fastener unit is used to firmly attach the flexible element to the shell. The inlet valve is in communication with the first chamber. The vent valve is in communication with the first chamber. | 01-13-2011 |
20110016983 | TESTING DEVICE WITH A DRIVE, WHICH CONVERTS TO A ROTATIONAL MOVEMENT INTO A RECIPROCATING MOVEMENT OF VARIABLE AMPLITUDE - The invention relates to a testing device for the static and dynamic testing of workpieces, comprising a first clamping device and a second clamping device for the workpiece, and a drive for the cyclical displacement of the second clamping device, wherein the drive has a rocker arm on which the second clamping device is pivotably mounted and the two ends of the rocker arm are connected in each case to a pivotably mounted link, and the free ends of the links are coupled in each case to a crank drive, wherein the links protrude from the ends of the rocker arm in the same direction in the basic position of the testing device. | 01-27-2011 |
20110107844 | TRIAXIAL CELL FOR THE TESTING OF GEOMATERIALS IN COMPRESSION AND IN TENSION - The invention relates to a triaxial cell for testing geomaterials on specimens. The triaxial cell has at least one piston for subjecting a specimen to stress directed along the longitudinal axis of the specimen. Hydraulic means are provided for subjecting the lateral wall of the specimen to a stress, under the pressure of a fluid. The cell has at least one sealed test chamber-in which the specimen is placed, and a circuit for the controlled pressurization of said test chamber with a fluid, called the pressurizing fluid, and for the controlled draining of said fluid therefrom. The cell has mechanisms for subjecting the specimen to a tensile force, which are configured for removably fastening it between two attachments intended to move apart or closer together under the action of the piston so as to subject said specimen to longitudinal stress or on the contrary to remove the load therefrom. | 05-12-2011 |
20130283925 | MOBILE TEST SYSTEM AND METHODS FOR IN SITU CHARACTERIZATION OF STRESS AND DEFLECTION DEPENDENT STIFFNESS AND BEARING CAPACITY OF SOILS AND GEO-MATERIALS - An integrated mobile test system and methods for characterizing in situ stress or strain/deflection—dependent stiffness and bearing capacity enables the testing of engineering properties of natural, compacted, stabilized, and reinforced soils and geo-materials. The mobile test system and associated methods (1) prepare the ground for testing and (2) apply static or cyclic loading to one or more bearing plates of various geometries positioned at the ground surface or below the ground surface to determine both stress and deflection dependent stiffness relationships and the bearing capacity of the soil or geo-material. Optionally, the mobile test system and associated methods (3) apply ground confining stress conditions independent of the bearing plate loading. | 10-31-2013 |
20150377756 | WATER JET PEENING COMPRESSIVE RESIDUAL STRESS TEST METHOD, TEST DEVICE, AND TEST FACILITY - A plastically deformable almen strip is held under a predetermined underwater environment in which water jet peening is carried out, and a result of providing compressive residual stress in the water jet peening is confirmed by jetting water jet to the almen strip. | 12-31-2015 |
20180024034 | SYSTEM AND METHOD FOR TESTING OR CALIBRATING IN A PRESSURIZED AND/OR WET ENVIRONMENT | 01-25-2018 |