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| Number | Title | Issue Date |
| 7362105 | Integrated microstructure sensor element for detecting thermodynamic variables of a fluid An integrated microstructure sensor element is proposed for detecting thermodynamic measured variables of a fluid. To that end, a supporting body, particularly a board or a wafer having at least one microstructured heating element in contact with the fluid during op... | 04/22/2008 |
| 7150200 | Miniature axisymmetric streamline tensile (MAST) specimen A miniature axisymmetric streamline tensile (MAST) specimen having improved axisymmetric surface profile design and surface stress concentration factor (SSCF) improvements, i.e., close to unity is described. The MAST specimen also has improved variable curvature tra... | 12/19/2006 |
| 6916115 | System and device for characterizing shape memory alloy wires Instruments and methods for measuring a property of a shape memory alloy are provided. The instrument includes a base plate, a non-contact movable mass, a force gauge, an actuator, a biasing spring, a heater for heating the shape memory alloy, and a non-contact disp... | 07/12/2005 |
| 6729757 | Method of and a device for flatness detection The invention relates to a method of and a device for detecting the flatness of a metal band product at high temperature, using a measuring roll (1) having a cylindrical external face (13) comprising an angular contact sector with the band and a free s... | 05/04/2004 |
| 6672759 | Method for accounting for clamp expansion in a coefficient of thermal expansion measurement The present invention is a method to eliminate the influence of clamp dimensional changes on the displacement measurement during the measurement of the coefficient of thermal expansion (CTE) of samples in tension. In a first embodiment clamp dimensional c... | 01/06/2004 |
| 6599010 | Thermo-mechanical analyzer A slit for probe-changing is provided above an opening for changing a test piece on a side of a test piece tube for installing test pieces. Probes are then taken out and inserted via this slit. Probes can therefore be changed without taking out the test p... | 07/29/2003 |
| 6535824 | Sensor array-based system and method for rapid materials characterization A modular materials characterization apparatus includes a sensor array disposed on a substrate, with a standardized array and contact pad format; electronic test and measurement apparatus for sending electrical signals to and receiving electrical signals ... | 03/18/2003 |
| 6425686 | Glass transition temperature measurement system A glass transition temperature Tg measurement system includes a probe point penetrating into a sample under test that has been heated by a heater to a temperature where the sample undergoes a phase change from a solid to a semisolid. A thermocouple is use... | 07/30/2002 |
| 6164818 | Method and apparatus for measuring viscous heating of viscoelastic materials Method and apparatus for measuring viscous heating/heat build-up of viscoelastic materials, such as rubber and polymer compounds. Temperature changes in the viscoelastic material are measured during application of a shearing force to the viscoelastic mate... | 12/26/2000 |
| 5431060 | Dual capability tensile testing machine A convertible tensile test machine having a dual capability for selectively testing a specimen in an open environment or in solution including a frame having an upper portion and a lower portion and a central portion therebetween, a support plate on the c... | 07/11/1995 |
| 5370457 | Thermomechanical analyzer A thermomechanical analyzer including a vertical probe secured to a probe holding bar. The probe and the probe holding bar are coupled to a force generator for supplying a force in the vertical direction, a differential transformer for detecting the degre... | 12/06/1994 |
| 5351531 | Depth measurement of slickline A depth measuring system for a slickline utilized in a well bore operation where the slickline is in a non-slip relationship with the circumference of a calibrated measuring wheel and the revolutions of the wheel are utilized to provide a first length mea... | 10/04/1994 |
| 5286108 | Fixture for performing tensile tests at extremely high temperature A fixture for performing tensile tests on advanced materials at extremely high temperatures (greater than 2500 degrees fahrenheit). The fixture allows gripping a specimen without introducing thermal gradient in the specimen. It incorporates a self alignin... | 02/15/1994 |
| 5275057 | Clip gage attachment for frictionless measurement of displacement during high-temperature mechanical testing An attachment for placement between a test specimen and a remote clip gage extensometer providing improved fracture toughness tests of materials at elevated temperature. Using a cylindrical tube and axial rod in new relationship, the device transfers the ... | 01/04/1994 |
| 5209568 | Machine for monitoring the characteristics of materials exhibiting a phase transformation, reversible or otherwise This machine comprises a thermally insulated enclosure, with which are associated a control unit, a temperature source, a device for making the temperature uniform, a specimen holder disposed inside the enclosure and measurement units, means being provide... | 05/11/1993 |
| 5015825 | Furnace for tensile/fatigue testing Mechanical properties of short test specimens are tested in tension and fatigue using an improved electrical resistance heating furnace having a short length that mounts between the grips of a typical testing machine. The furnace includes a ceramic inner ... | 05/14/1991 |
| 4852263 | Method for determining cable length in a well bore A measuring device is used for measuring the length of cable between a surface winch and a well tool in a well bore. A tension device measures tension on the cable supporting the well tool. Constant parameters for the cable, temperatures and coefficients ... | 08/01/1989 |
| 4759215 | High strain capability ballistic test device for solid propellant rocket motors A ballistic test device for simulating propellant and/or bond and/or strain conditions in a high pressure, high strain rate rocket motor. The device uses internal compliant sleeves which allow radial expansion or growth of propellants, liners and insulati... | 07/26/1988 |
| 4567774 | Determining mechanical behavior of solid materials using miniature specimens A Miniaturized Bend Test (MBT) capable of extracting and determining mechanical behavior information from specimens only so large as to have at least a volume or smallest dimension sufficient to satisfy continuum behavior in all directions. The mechanical... | 02/04/1986 |
| 4523475 | Simultaneous incremental strain/incremental temperature analog device for, and method, of testing for stress response A device for, and a method of, applying an incremental strain to a test specimen of a solid propellant which is at the stress-free temperature, while simultaneously subjecting the test specimen to an incremental temperature change above and below the stre... | 06/18/1985 |
| 4407164 | Impart machine for determining heat setting conditions A device for assisting in the prediction of the effects that a treatment, e.g. heat-setting, will have upon a textile fabric comprises a frame which defines an interior area, securing members for securing a textile fabric to the frame so as to cover the i... | 10/04/1983 |
| 4393718 | Assembly for stress testing material under high temperatures An assembly as used to test material in a specimen within a high temperat range. The specimen or workpiece is clamped into a clamping mechanism having two clamping heads that are movably disposed with respect to each other. A divided workpiece end holder... | 07/19/1983 |
| 4322967 | Method and apparatus for measuring optical coupling coefficients An apparatus and method for measuring optical coupling coefficients is disclosed using the thermal expansion of a sample to reduce an externally applied tensile load of predetermined magnitude. The sample is illuminated with a known amount of incident ene... | 04/06/1982 |
| 4295360 | Tension measuring apparatus A single-pin guide tensiometer fitted with strain-detecting element that is flattened to respond only in a direction perpendicular to the flat faces of the elements. Moreover by rotating the tensiometer 90 degrees, threadline tension in the opposite direc... | 10/20/1981 |
| 4266424 | Apparatus for determining the stress-strain properties of viscoelastic materials in the molten state Apparatus for determining the stress-strain characteristics of materials in the viscoelastic state, especially polymer melts, in which a bar-shaped test specimen arranged vertically in a thermostable bath is stretched by means of a tape attached to a moto... | 05/12/1981 |
| 4231248 | Laser tensile test sample holder A test sample support for flat plate test samples used in the simultaneous laser, wind tunnel and tensile machine testing having a cantilever box frame member supported on the tensile machine with an adjustable sample alignment member and a stationary sam... | 11/04/1980 |
| 4114420 | Environmental test chamber system A test apparatus comprising an elongated, heat-resistant glass tube, the ends of which are firmly seated in top and bottom end-caps. A plurality of threaded rods extending through the top and bottom end-caps parallel to the glass tube and having nuts thre... | 09/19/1978 |
