Class 73/841 - Shear

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the loading is applied to a section
No. of applications: 34
Last issue date: 09/08/2011

Application No.	Application Title	Issue Date
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 ...	09/08/2011
20110203355	Method For Determing The Gel Strength Of A Hydrogel Method for determining the intrinsic gel strength of a water-absorbing hydrogel-forming polymeric material, comprising the step of: obtaining a hydrogel of said water-absorbing polymeric material, submitting said hydrogel to a controlled strain application step and meas...	08/25/2011
20110056304	Controlled Shear/Tension Fixture A test fixture for simultaneously testing two material test samples is provided. The fixture provides substantially equal shear and tensile stresses in each test specimens. By gradually applying a load force to the fixture only one of the two specimens fractures. Upon f...	03/10/2011
20110000307	TEST APPARATUS AND METHOD The present invention relates to a Test apparatus (10) for testing the interaction between through-thickness compression and shear in a test piece (16). The apparatus comprises first and second chocks (12, 14) arranged in use to securely retain a te...	01/06/2011
20100326200	Shear Stress Measurement Apparatus A shear stress sensor for measuring the shear force of a fluid flowing along a wall. A floating member, flush with the wall, senses a shear force of the flowing fluid. The floating member is mounted by support means to a base element that is placed in the wall, so that ...	12/30/2010
20100295331	METHOD FOR SELECTING AN INTERLAYER FOR VIBROACOUSTIC DAMPING, INTERLAYER FOR VIBROACOUSTIC DAMPING AND GLAZING UNIT COMPRISING SUCH AN INTERLAYER The invention relates to a method for selecting a viscoelastic plastic interlayer comprising two outer layers and a central layer and intended to be incorporated between two glass sheets of a glazing unit, the method comprising the following steps:	11/25/2010
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 applicat...	01/21/2010
20090308143	HYDROSTATICALLY COMPENSATED DEEP SEA PROBE WITH SHEAR STRAIN GAUGES A hydrostatically compensated soil resistance probe includes a cylindrical body having a distal tip for insertion into a material, a plurality of load gates for transitioning an axial load on said cylindrical body to a shear load, and a plurality of shear load sensors t...	12/17/2009
20090303837	Method to estimate local towed array angles using flush mounted hot film wall shear sensors A towed array is provided with hot-film sensors and anemometer circuitry to calculate the angle of inclination of the towed array in real time during deployment of the towed array in a sea water environment. The hot-film sensors are arranged in pairs along the length of...	12/10/2009
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 se...	12/03/2009
20090266138	Method and Apparatus for Shear Strain Testing of Strain Sensors A method and apparatus for testing, evaluating, and/or calibrating strain sensors. A test beam (12) having a uniform shear-strain region is secured at opposite ends of a longitudinal axis by uniform force clamp assemblies (14) and (16). A first clam...	10/29/2009
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...	10/22/2009
20090223302	TWO-AXIS DIRECT FLUID SHEAR STRESS SENSOR A micro sized multi-axis semiconductor skin friction/wall shear stress induced by fluid flow. The sensor design includes a shear/strain transduction gimble connected to a force collecting plate located at the flow boundary surface. The shear force collecting plate is in...	09/10/2009
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 ...	08/27/2009
20090145231	SHEAR MEASURING METHOD AND ITS DEVICE A resonance shear measuring method capable of simple and rapid measurement by obtaining a resonance shear curve through Fourier transformation of a damping curve of an oscillation on one side surface of a sample during measurement of shear response from the sample is pr...	06/11/2009
20090133505	Shear stress measurement apparatus A shear stress sensor for measuring the shear force of a fluid flowing along a wall. A floating member, flush with the wall, senses a shear force of the flowing fluid. The floating member is mounted by support means to a base element that is placed in the wall, so that ...	05/28/2009
20090031819	Load Sensor The invention provides a load sensor which is driven by a low electric power consumption, can measure at a high precision, and has a high reliability without being broken. The load sensor is structured such that a detection rod for detecting a strain is provided in an i...	02/05/2009
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 ...	09/11/2008
20080190212	Test Apparatus A device (10) for shear testing of very small protrusions of an electrical semi-conductor device includes a sensor (30) for detecting surface contact of a shear test tool (15). The lateral shear force transducer is also used to detect scrubbing forc...	08/14/2008
20080092665	Device for Dynamically Load Testing a Sample The invention describes a device for dynamically load testing a sample that comprises a bearing, to which the sample can be directly or indirectly connected in a detachable manner, as well as a counter-bearing that can be effectively connected to the sample by means of ...	04/24/2008
20080022778	Microfabricated pressure and shear stress sensors A microfabricated pressure sensor. The pressure sensor comprises a raised diaphragm disposed on a substrate. The diaphragm is configured to bend in response to an applied pressure difference. A strain gauge of a conductive material is coupled to a surface of the raised ...	01/31/2008
20070180938	Method and device for determining at least one dynamic property of a deformable solid or fluid material Method of determining at least one dynamic characteristic of a sample of a deformable solid or fluid material, comprising: the contacting of said sample (24, 42) with at least one interaction surface (23, 25, 41a, 41b); the application...	08/09/2007
20070113673	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 se...	05/24/2007
20070084296	Method and apparatus for testing shear strength of curved core material A method and an apparatus for testing the shear strength of curved core material. The method comprises the steps of: (a) bonding one side of a test specimen of curved core material to a convex curved surface of a first support; (b) bonding the other side of the test spe...	04/19/2007
20070034014	System and method for the mitigation of paraffin wax deposition from crude oil using ultrasonic waves A shear stress sensor for measuring fluid wall shear stress on a test surface is provided. The wall shear stress sensor is comprised of an active sensing surface and a sensor body. An elastic mechanism mounted between the active sensing surface and the sensor body allow...	02/15/2007
20060248959	Apparatus and method of measuring shear strain of thick adhesive bondlines A method an apparatus for testing shear strain response of a test specimen having a thick adhesive bond line is disclosed. Method and apparatus permit the use of readily available clip-on extensometers. The apparatus and method may include the use of knife edges secured...	11/09/2006
20060207343	Methods and apparatus for measuring the viscoelastic response of vocal fold tissues and scaffolds across a frequency range In one aspect the present invention concerns methods and apparatus for measuring the mechanical properties of soft materials across a frequency regime. In particular, the present invention concerns methods and apparatus using torsional waves to measure the mechanical pr...	09/21/2006
20060081064	MEMS vascular sensor A micromachined sensor for measuring vascular parameters, such as fluid shear stress, includes a substrate having a front-side surface, and a backside surface opposite the front-side surface. The sensor includes a diaphragm overlying a cavity etched within the substrate...	04/20/2006
20060070456	Bed having a patient position monitoring system A patient sensor configured to detect the presence of a patient on a patient support surface. ...	04/06/2006
20050241408	Load Cell Insensitive to Angular Misalignments and Shock Loads A new load cell design incorporates an integral spring into the body of the load cell. Compared to a standard S-cell, this spring does not reduce the load carrying capacity of the cell. The spring increases the deflection of the cell, yielding less sensitivity to angula...	11/03/2005
20050241409	Normal force gradient/shear force sensors and method of measuring internal biological tissue stress A normal force gradient/shear force sensor device and measurement method for measuring internal stresses in tissues of a person supported by a chair or bed includes a planar matrix array of peripheral normal force sensors radially spaced from central shear force sensors...	11/03/2005
20050183513	Removable twisting measuring device for various hand tools A removable twisting measuring device for various hand tools comprises a cover removably installed on a rod body of a hand tool; a strain gauge installed at one end of the cover contacting the rod body of the hand tool; the strain gauge having a deformation due to a twi...	08/25/2005
20050109118	Testing apparatus for compression and shear testing of a test component such as a curved aircraft component A testing apparatus receives a test component between a force introduction table and a pressure plate, which apply a compressive load to the component therebetween. First and second shear beams are secured to opposite vertical edges of the component to respectively intr...	05/26/2005
20050039543	Apparatus and method for determining the shearing strength of a thermal insulation The invention relates to an apparatus and method for determining the shearing strength of a thermal insulation. The apparatus (1) comprises a mobile clamping element (2) and alongside the same at least one immobile clamping element (3), each provide...	02/24/2005

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Class 73/841 - Shear