| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073841000 | Shear | 38 |
| 20080216584 | TEST CELL FOR APPLYING A SHEAR STRESS TO A TEST SPECIMEN - A test cell and method for stress testing a test specimen including a first platen and a second platen. Each platen having a loading surface, an inclined surface, and a longitudinal axis. The inclined surface being inclined relative to the longitudinal axis at an angle and the inclined surface having a specimen recess formed therein for receiving a portion of the test specimen such that when the inclined surface of the second platen is positioned in a face-to-face relationship with the inclined surface of the first platen, a shear stress is applied to the test specimen when an axial load is applied to the first and second platens. The platens further including fluid ports to subject the test specimen to fluid flow at various pressures and fluid chemistries and ultrasonic transducers to determine acoustic, compressional, and shear wave velocities and in multiple orientations. | 09-11-2008 |
| 20090211366 | Fatigue life estimating method for spot welded structure - A fatigue life estimating method for a spot welded structure is provided comprising the steps of providing a shell model of a spot welded structure for a finite element method analyzing process, calculating the nominal structural stress on a nugget as the center of the spot welded structure using a disk bending theory and a two-dimensional elastic theory of the elastodynamics with the partial loads exerted on the nugget and the deflection on the circumference of a circle, D in diameter, in which the nugget is located, which have been calculated by the finite element method analyzing process of the shell model, and estimating the fatigue life of the spot welded structure from the nominal structure stress. | 08-27-2009 |
| 20090260450 | Method for measuring the creep of a thin film inserted between two rigid substrates, with one cantilever end - A film is inserted between two rigid substrates which form a sample. The sample is fixed at a first end in a device for measuring creep. The device comprises means for applying a predetermined force on a free end of the sample. The film being sheared, study of its creep can be performed. | 10-22-2009 |
| 20090293633 | Uniform Shear Application System and Methods Relating Thereto - Disclosed herein is a shear application system for applying substantially uniform amounts of shear throughout a powder sample. The shear application system preferably includes a cylinder assembly having an inner cylinder, a housing, an inner set of lugs, and an outer set of lugs. The inner cylinder has an external cylindrical surface and the housing has an internal cylindrical surface concentric with said external cylindrical surface. The internal and external cylindrical surfaces form an annular chamber therebetween. Each one of the lugs of the inner set extend radially outward from the external cylindrical surface, and each one of the lugs of the outer set extend radially inward from the internal cylindrical surface and are substantially uniformly spaced. The shear application system preferably includes drive means mechanically connected to the inner cylinder and control means electrically connected to the drive means. | 12-03-2009 |
| 20100011874 | METHOD AND APPARATUS FOR TESTING ATTACHMENT JOINTS - Apparatus tests the performance of joints between an attachment and a beam having a pair of caps connected by a corrugated web. The apparatus includes first and second grips contoured to the shape of a portion of the corrugated web for gripping the web. A force applicator coupled with the attachment and the grips applies force to the beam through the joint. | 01-21-2010 |
| 20110214510 | CLAMPING MECHANISM FOR SHEAR TESTING APPARATUS - A shear test device for testing the strength of attachment between a bond and an electronic substrate. The device incorporates a clamping mechanism and a shear test tool that are mounted on a baseplate. During a set-up procedure, the shear test tool is movable relative to the baseplate. During a test procedure, the shear test tool is clamped by the clamping mechanism in a fixed position relative to the baseplate. At least one abutment is provided that is fixed in position relative to the baseplate. During the test procedure, a drive mechanism provides relative movement between the shear test tool and the bond to cause the shear test tool to shear the bond off the substrate. The at least one abutment provides an additional clamping force on the test tool while the test tool is shearing the bond off of the substrate. Strain gauges associated with the shear test tool provide signals to an electric circuit indicating the strength of attachment between the bond and the substrate. | 09-08-2011 |
| 20120055259 | Self-Filleting Die Attach Paste - A composition that will automatically flow (auto-flow) and form a fillet (self-fillet) will have a yield stress within the range of 1.8 Pa to 10 Pa (20 dynes/cm | 03-08-2012 |
| 20120285256 | High-capacity wide-range variable rotational rate vane testing device - System and method for measuring shear strength and viscosity of sediments that extends both the maximum rotational rate attainable and the maximum torque sustainable, and includes a high data acquisition rate and data storage. | 11-15-2012 |
| 20130008259 | Method and Apparatus for Testing Attachment Joints - Apparatus tests the performance of joints between an attachment and a beam having a pair of caps connected by a corrugated web. The apparatus includes first and second grips contoured to the shape of a portion of the corrugated web for gripping the web. A force applicator coupled with the attachment and the grips applies force to the beam through the joint. | 01-10-2013 |
| 20130298694 | High-Capacity Wide-Range Variable Rotational Rate Vane Testing Device - System and method for using an apparatus for measuring shear strength and viscosity of sediments that extend both the maximum rotational rate attainable and the maximum torque sustainable, and include a high data acquisition rate and data storage. The apparatus can accurately measure, for example, but not limited to, peak, evolution, and residual values of the undrained shear strength, yield, and viscous and plastic flow (including hardening and softening) characteristics of cohesive sediments at various pre-set and variable values of the rotational velocity of the vane sensor. | 11-14-2013 |
| 20130305836 | HIGH-CAPACITY WIDE-RANGE VARIABLE ROTATIONAL RATE VANE TESTING DEVICE - An apparatus for measuring characteristics of a specimen. The apparatus can accurately measure, for example, but not limited to, peak, evolution, and residual values of the undrained shear strength, yield, and viscous and plastic flow (including hardening and softening) characteristics of cohesive sediments at various pre-set and variable values of the rotational velocity of the vane sensor. | 11-21-2013 |
| 20130319131 | Controlling Melt Fracture in Bimodal Resin Pipe - A method of improving processing of polyethylene resins comprising obtaining a plurality of multimodal metallocene-catalyzed polyethylene samples measuring the shear stress as a function of shear rate for the plurality of multimodal metallocene-catalyzed polyethylene samples using capillary rheometry wherein the measuring yields values for a magnitude of slip-stick, a stress for smooth to matte transition, and a shear rate for smooth to matte transition; and identifying from the plurality of multimodal metallocene-catalyzed polyethylene samples individual multimodal metallocene-catalyzed polyethylene resins having a reduced tendency to melt fracture characterized by a magnitude of slip-stick greater than about 300 psi, a stress for smooth to matte transition greater than about 90 kPa, and a shear rate for smooth to matte transition greater than about 10 s | 12-05-2013 |
| 20140182391 | PRESSURE AND SHEAR FORCE MEASUREMENT DEVICE AND METHOD - A pressure and shear force measurement device and a pressure and shear force measurement method are disclosed. The measurement device includes a flexible substrate; a plurality of signal outputting units embedded in the flexible substrate for outputting signals; and a plurality of signal detectors disposed at a peripheral of the flexible substrate for receiving at least a signal outputted from the signal outputting units, wherein when the flexible substrate has a load applied thereon and each of the signal outputting units has a displacement, each of the signal detectors detects a pressure and a shear force resulting from the load on the flexible substrate based on the signal received from the signal outputting units. | 07-03-2014 |
| 20140230563 | SENSOR ASSEMBLY, METHOD, AND DEVICE FOR MONITORING SHEAR FORCE AND PRESSURE ON A STRUCTURE - Shear force and pressure on a structure are simultaneously monitored using signals received from antennas on the structure. The shear force on the structure is monitored using a signal received from a patch antenna on the structure, and the pressure on the structure is monitored using a signal received from a loop antenna on the structure. | 08-21-2014 |
| 20140305225 | APPARATUS AND METHOD FOR VISIOMETRIC DISINTEGRATION - In one version of the invention, an apparatus intended for determining the disintegration time of rapidly disintegrating tablets is designed with a disintegration cell having two liquid inlets and outflow from the top. Visualization of tablet inside the disintegration cell is conducted using a camera aided by a base light source and images captured using a computer or any other recording system. Disintegration medium is introduced into the disintegration cell through both inlets to produce a swirling motion and images of the tablet disintegration process are captured. The captured images are analyzed in real-time or off-line, to determine the tablet disintegration time. A visual non-recording method using projected image may also be used. | 10-16-2014 |
| 20150082902 | VALVE STEM CONNECTOR WITH INTEGRATED STEM FORCE MEASUREMENT - A valve stem connector comprises a first half and a second half, each of which includes a top section adapted to receive a portion of an actuator and a bottom section adapted to receive a portion of a valve stem. A plurality of cut-away sections is disposed in each of the first and second halves, and a pair of shear web installation sites is disposed between the plurality of cut-away sections on each of the first and second halves. A force measurement device is disposed in each shear web installation site of the pair of shear web installation sites, the force measurement device for measuring the strain on the valve stem. Each shear web installation site has a shear strain measurable by the force measurement device, and the plurality of cut-away sections allows for a bending beam near each pocket to minimize deflection. | 03-26-2015 |
| 20160011090 | Load Detecting Device and Working Machine Provided with Same | 01-14-2016 |
| 20160011091 | Sensor Assembly, Method, and Device for Monitoring Shear Force and Pressure on a Structure | 01-14-2016 |
| 20160103027 | DIFFERENTIAL MOTION SENSOR - A differential motion sensor includes a base and a cradle. The base includes a first surface that extends along a first axis to define a length and a second axis to define a width. The base further includes at least one hinge that pivots about a rotational axis extending along the first axis. The cradle is pivotably coupled to the at least one hinge and is configured to move in the direction of the second axis when pivoting about the hinge. The differential motion sensor is configured to operate in a first mode when the cradle is aligned with the base and a second mode when the cradle is pivotably displaced with respect to the base. | 04-14-2016 |
| 20160103049 | ROCK SPECIMEN AND METHOD FOR TESTING PURE SHEAR OF THE SAME - A rock specimen, including a rock body. The rock body includes: an upper part, an upper end face, a first circular groove, a first cylinder, a first circular body, a lower part, a lower end face, a second circular groove, a second cylinder, and a second circular body. The first circular groove is disposed on the upper end face of the rock body and has a circle center coinciding with a center of the upper end face. A method for testing pure shear of the rock specimen, includes: 1) disposing the rock specimen on a test bench of a rock mechanics testing system, allowing the end face of the second circular body to contact the test bench; and 2) operating the rock mechanics testing system, loading a pressure on the rock specimen via the end face of the first cylinder and the end face of the second circular body. | 04-14-2016 |
| 073842000 | Bond | 13 |
| 20080314159 | Shear Test Device - Shear test apparatus for gold and solder balls of a semi-conductor substrate comprises a support element ( | 12-25-2008 |
| 20090013796 | TEST APPARATUS TO DETERMINE THE SHEAR STRENGTH OF A COMPOSITE SANDWICH BEAM UNDER A HIGH HYDROSTATIC LOAD - An apparatus for determining the strength of composite sandwich beam in which an enclosure and insertable bladder is provided. The apparatus comprises positioning a bladder within the enclosure. The beam to be tested is slid through a cutout or aperture of the enclosure with support feet holding the beam in place within the enclosure. The enclosure supports the bladder sides with one face of the bladder pressuring the composite sandwich beam. For testing, water is pumped under pressure through a fitting into the bladder. The tolerances between the beam, enclosure and an extrusion seal do not allow the bladder to squeeze outward with the result being measurable testing pressure on the face of the composite beam. | 01-15-2009 |
| 20090266174 | ADHESION INSPECTION APPARATUS AND ADHESION INSPECTION METHOD USING THE SAME - An object of the present invention is to provide an adhesion inspection apparatus and method that can provide a reliable detection even for defect without the need of any complicated works, such as adjusting of an optical axis of instrument. An adhesion inspection apparatus | 10-29-2009 |
| 20100116063 | SHEAR TEST APPARATUS AND METHOD - A test apparatus for applying shear loads to a deposit on a substrate comprises a cantilevered shear tool ( | 05-13-2010 |
| 20100154558 | METHOD AND INSTALLATION FOR EXPOSING THE SURFACE OF AN INTEGRATED CIRCUIT - The invention relates to a method for exposing an integrated circuit by ablating the polymer coating initially covering the integrated circuit, characterised in that it comprises the combined application of a laser radiation and a plasma onto the coating initially covering the integrated circuit. | 06-24-2010 |
| 20100218616 | SHEAR TEST DEVICE - Shear test apparatus for gold and solder balls of a semiconductor substrate comprises a support element ( | 09-02-2010 |
| 20110271767 | TEST DEVICE - Shear test apparatus for gold and solder balls of a semiconductor substrate comprises a support element ( | 11-10-2011 |
| 20130186207 | CLAMPING MECHANISM FOR SHEAR TESTING APPARATUS - A shear test device for testing the strength of attachment between a bond and an electronic substrate. The device incorporates a clamping mechanism and a shear test tool that are mounted on a baseplate. During a set-up procedure, the shear test tool is movable relative to the baseplate. During a test procedure, the shear test tool is clamped by the clamping mechanism in a fixed position relative to the baseplate. At least one abutment is provided that is fixed in position relative to the baseplate. During the test procedure, a drive mechanism provides relative movement between the shear test tool and the bond to cause the shear test tool to shear the bond off the substrate. The at least one abutment provides an additional clamping force on the test tool while the test tool is shearing the bond off of the substrate. Strain gauges associated with the shear test tool provide signals to an electric circuit indicating the strength of attachment between the bond and the substrate. | 07-25-2013 |
| 20140157909 | Shearing Force Test Device - A shearing force test device comprises a substrate mounted with an elastomer having a free end capable of moving toward or away from the substrate; the free end is connected with a test head; the elastomer is installed with two U-shaped elastic arms arranged at a distance and capable of mutually neutralizing horizontal position offsets; the free ends of the two U-shaped elastic arms are connected together; the test head is fixedly installed on the free end; the two U-shaped elastic arms are provided with the fixed end of the elastomer there between; the fixed ends of the two U-shaped elastic arms are connected together, and are fixedly connected with the substrate; and the other ends of the two U-shaped elastic arms away from the free ends are fixedly connected together via a connecting plate. | 06-12-2014 |
| 20150007668 | BOND TESTING MACHINE AND CARTRIDGE FOR A BOND TESTING MACHINE COMPRISING A PLURALITY OF TEST TOOLS - A cartridge suitable for use in a bond testing machine includes a plurality of a different test tools. A rotary mechanism is provided and each of the plurality of different test tools is mounted to the rotary mechanism angularly spaced from one another. A drive unit is coupled to the rotary mechanism and is configured to rotate the rotary mechanism to move each of the plurality of different test tools to and from a use position. An air interface receives compressed air from a corresponding air interface on a positioning assembly of the bond testing machine. | 01-08-2015 |
| 20150040680 | CIRCUMFERENTIAL SHEAR TEST METHOD AND APPARATUS FOR A SANDWICH STRUCTURE - A test fixture for determining circumferential shear properties of an arcuate test specimen may include an outer fixture and an inner fixture. The outer fixture may be coupled to an outer side of the test specimen, and may be rotatably mounted on a central pin and may include a rocker arm. The inner fixture may be coupled to an inner side of the test specimen, and may be rotatably mounted on the central pin and may include a load arm extending in a direction opposite the rocker arm. The inner fixture and the outer fixture may be configured such that application of a test load to the rocker arm and the load arm causes rotation thereof about the central pin producing circumferential movement of the inner side relative to the outer side and inducing a circumferential shear load in the test specimen. | 02-12-2015 |
| 20150114131 | BONDING FORCE TEST DEVICE - Disclosed herein is a bonding force test device, including: a holder mounted with a sample to which a plurality of subjects to be tested are bonded; a rotating part rotating the holder; and a fixing tip disposed in a direction in which the fixing tip faces the holder, wherein at the time of rotating the holder, the fixing tip contacts any one of the subjects to be tested in the sample and a shearing stress is applied to a bonded portion between the fixing tip and any one subject to be tested. | 04-30-2015 |
| 20160076984 | SHEARING DEVICE FOR STRENGTH TESTING A JOINT - A shearing device for strength testing a joint is provided and a method for the preparation of a shearing device for strength testing a joint. The joint may consist of an adhesive joint. The shearing device comprises a first component, a second component, a fastening arrangement and an adjusting device. The first component comprises a first receptacle, and the second component comprises a second receptacle. The fastening arrangement is designed for fastening the first component and the second component on one another in such a way that the first receptacle and the second receptacle face one another and a shear plane S is formed between the first component and the second component. The adjusting device is designed for arranging a joint of a specimen to be tested in the shear plane S. | 03-17-2016 |
| 073843000 | By rotary element | 2 |
| 20120272745 | CONCENTRATION INDEPENDENT MODULATION OF LOCAL MICROMECHANICS IN A FIBRIN GEL - An apparatus and method for providing a gradient strain to an extracellular matrix to induce mechanotransduction. The gradient strain can be produced by adhering the extracellular matrix to a post and the walls of a sample holder, and then rotating the post and the sample holder. This strain can result in increased stiffness of the extracellular matrix with very little loss of pore size. | 11-01-2012 |
| 20140076061 | METHODS AND APPARATUS FOR ESTIMATING A CONDITION OF A SEAL OF A ROTARY VALVE - Methods and apparatus for estimating a condition of a seal of a rotary valve are disclosed. An example method includes determining a seal wearing cycle of a flow control member of a rotary valve. The seal wearing cycle includes movement of the flow control member between a first position in contact with a seal and a second position. The example method further includes determining a torque of an actuator operating the flow control member for the seal wearing cycle and estimating a condition of the seal based on the torque. | 03-20-2014 |
| 073845000 | To fracture or failure | 2 |
| 20110283807 | APPARATUS AND METHOD FOR CHARACTERIZING STRESSES OF A FORMATION - An apparatus ( | 11-24-2011 |
| 20110314927 | METHOD AND APPARATUS FOR TESTING SHEAR FASTENERS USED IN DOWNHOLE TOOLS - A tester for testing a shear fastener includes: a frame; a stationary chuck connected to the frame; a linear guide comprising a slider; a movable chuck connected to the slider; a movable insert fastened to the movable chuck and having a hole for receiving a first portion of the shear fastener; a stationary insert fastened to the stationary chuck and having a hole for receiving a second portion of the shear fastener; a linear actuator for engaging the movable chuck and fracturing the shear fastener; and a load cell for determining force exerted on the shear fastener by the linear actuator. | 12-29-2011 |
| 073846000 | Opposing work holders including specimen | 1 |
| 20150316458 | Rail Shear Tester Apparatus with multiple loading configurations - An apparatus for testing panel products in edgewise shear in which the shear stress is applied in a diagonal direction with a first rotational degree of freedom in a first grip means and a second rotational degree of freedom in a second grip means as a first loading configuration. A second loading configuration is provided in which the second rotational degree of freedom of the second grip means is locked in place and motion is prevented. A third preferred method of loading is available in which shear forces in a horizontal direction through a centerline of a specimen, with the centerline in the plane of the specimen and extending across a widest dimension of said specimen. Control and data collection are under computer control and operator safety is enhanced by a locking guard door which is electrically locked while the various parts of the machine are in motion. | 11-05-2015 |
