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| Number | Title | Issue Date |
| 7472603 | Evaluating method of the residual stress determining method using the continuous indentation method The present invention relates to a method of measuring residual stress and, more particularly, to a residual stress measuring method using a continuous indentation tester. Due to pile-up and sink-in of a material or a blunted tip, a conventional residual stress meas... | 01/06/2009 |
| 7191664 | Testing of mechanical properties of materials Apparatus is disclosed for testing the mechanical properties of a material. The apparatus comprises a sample container (10) adapted to be filled with a sample of the material, and a housing (20) within which the sample container (10) is, in use,... | 03/20/2007 |
| 7143653 | Enhanced triaxial tester with volume change device for measurement of flow properties of dry cohesive particulate systems under low confining pressures Disclosed is a triaxial system for testing particulate matter under substantially dry triaxial load conditions comprising: a housing means fillable with confining fluid for providing confining pressure on a sample of dry particulate matter to be tested, the housing ... | 12/05/2006 |
| 7036558 | Method and system for evaluating local compactness of a granular material An evaluation method in which a capacitive sensor is placed in a region of a container, into which a granular material is fed so as to contact the sensor, and the variation in the impedance of the sensor caused by feeding in the material is evaluated. The method is ... | 05/02/2006 |
| 6993984 | Method and apparatus for supplying sample sand from a mixing machine to a sand-property-measuring apparatus A method and apparatus for supplying sample sand from a mixing machine to a sand-property-measuring apparatus so that sample sand having no clump of sand is sampled, and so that the value of the compactibility correlates with the value measured by conventional sand-... | 02/07/2006 |
| 6711962 | Method and device for determining the compression factor of powders A method to determine the compression factor of powders for processing by roller presses with a roller diameter of 100-400 mm. A rotating press-roller (2), a matrix (4) and a piston (11) for measurement of the compression factor are used in the ... | 03/30/2004 |
| 6694815 | Liquefaction phenomenon prediction system To predict residual settlement quantity and residual horizontal deformation quantity of ground where a liquefaction phenomenon has occurred due to earthquake. Soils in situ (stratum B to stratum D) are sampled from ground, and are made to be element test ... | 02/24/2004 |
| 6647801 | Method, apparatus and support for testing poles A pole support for ground poles, such as telephone poles and power poles, is disclosed. The support can be driven into the ground next to the pole. It has a pair of spaced apart longitudinal end plates which are interconnected intermediate their ends by a... | 11/18/2003 |
| 6272932 | Method and apparatus for adjusting casting sand using the optimum compactibility An adjusting method and apparatus is provided for optimizing the CB of casting sand relative to the deformation properties of a casting mold. The method consists of measuring compactibility of casting sand by compactibility measuring means 4 and a value o... | 08/14/2001 |
| 5877428 | Apparatus and method for measuring elastomeric properties of a specimen during a test procedure An apparatus for measuring elastomeric properties of a specimen during a test procedure includes a first compression member. The apparatus also includes a second compression member. Moreover, the apparatus includes a load cell having a body and a movable ... | 03/02/1999 |
| 5877427 | Weatherstrip resiliency test fixture A fixture for testing the resiliency of vehicle bulb-type weatherstripping before and after the weatherstripping has been heat treated includes a base and a holder movably positioned on the base for holding the weatherstripping. A ram is movably disposed ... | 03/02/1999 |
| 5756907 | Method of measuring properties of sand A method is provided for accurately and easily measuring properties of sand. This method includes the steps of measuring contraction properties of the sand, determining a molding parameter for molding a test piece of the sand having a known size based on ... | 05/26/1998 |
| 5724257 | Foundry sand testing apparatus and system Foundry sand testing apparatus, method and system are provided for testing foundry sand. A computer foundry sand testing system includes at least one sensor for sensing predetermined characteristics of the foundry sand and for generating a signal. A proce... | 03/03/1998 |
| 5675090 | Method for measuring the amount of an active clayey component contained in molding greensand A method is disclosed to accurately and easily measure the amount of an active clayey component contained in molding greensand. A test piece is produced by feeding a predetermined amount of the molding greensand into a testing receptacle. The test piece i... | 10/07/1997 |
| 5520057 | Test billet for use in press load test and load test method thereof The present invention has an object of simply and accurately measuring a load applied to a mechanical press. A test billet obtained from material of which the mechanical strength is uniform and which is finished precisely is placed on the press and presse... | 05/28/1996 |
| 5479829 | Method for quantitative inspection of cold-expanded fastener holes A method for inspecting a cold expanded fastener hole in a structural part to confirm that the hole has been expanded by a desired amount involves determining the degree to which the hole has been expanded as a function of the out-of-plane deformation in ... | 01/02/1996 |
| 5417117 | Procedure and apparatus for determining the vulcanization coefficient of elastomers The object of the invention is a procedure for vulcanization which includes a determination of the vulcanization coefficient of an elastomeric workpiece, and an apparatus for the application of the procedure. Prior art is the measurement of the rapture st... | 05/23/1995 |
| 5402366 | Method and apparatus for simulating a mechanical operation A method and apparatus for simulating a mechanical operation is based on the finite element method and uses a particle flow model. Evaluation of contact boundary between a die and a material and remeshing operation are unnecessary. Particles (6) are moved... | 03/28/1995 |
| 5056371 | Method and apparatus for determining the filling capacity of tobacco To determine the filling capacity of tobacco, a predetermined quantity of tobacco is filled into a volume of known cross-section forming part of a press, closed on one side by a movable plunger, and the length of the tobacco column and the force acting on... | 10/15/1991 |
| 4955237 | Method and apparatus for measurement of in-situ horizontal stress by freezing of the ground in-situ A quality undisturbed sample of of cohesionless soil, in which the in-situ state of stress and strain is kept, can be obtained by in-situ freezing of the soil and subsequent removal of the frozen sample for testing. The in-situ horizontal stress in the co... | 09/11/1990 |
| 4930354 | Automatic bond determinator A device for testing the quality of foundry green sand is described including a delivery structure with an invertible riddle, a testing structure with a compaction plunger, and sensors for measuring the compaction and moisture content of the sample, anoth... | 06/05/1990 |
| 4891967 | Method and apparatus for determining the average fineness of loose fibres Instead of a measuring chamber with a fixed volume, the present chamber is formed as a cylinder (12) with a piston (3) movable therein. The piston is pressed against the fibre sample (29) with constant compression force, and the respective volume of the m... | 01/09/1990 |
| 4794799 | Method of and an apparatus for measuring the properties, particularly the compactibility of a stiff mass to be cast A method of measuring the compactibility of a fresh concrete mass, for obtaining information of the applicability of the mass with respect to the strength properties of the cast product. A sample (20) having a determined weight (m) is taken from the mass ... | 01/03/1989 |
| 4719809 | Apparatus and test method for determining flow or no flow conditions of bulk solids Apparatus and a test method for bench scale determination of whether a particulate material will flow under the action of gravity alone from an outlet in the bottom of a container. The apparatus includes a test cell having inclined conical side walls, and... | 01/19/1988 |
| 4699011 | Automatic compactability tester A device for testing the compactibility of a sample of granular material is described including a delivery structure with an invertible riddle, a testing structure with a plunger to compress the sample and an encoder to measure the compactibility of the s... | 10/13/1987 |
| 4616508 | Method and apparatus for producing a test piece of molding compound useful in measuring properties thereof A specific measured volume of a molding compound is placed within a cavity having a certain geometry and a compacting pressure is applied thereto until a predetermined measured pressure is reached on a side of said molding compound opposite the side where... | 10/14/1986 |
| 4607532 | Apparatus for determining the behavior of powdered material under stress There is described an apparatus for determining the behaviour of powder of granular material under stress, comprising, at least one flexible boundary arranged to abut one face of a sample of the powder or granular material, means to apply stress to the sa... | 08/26/1986 |
| 4432376 | Method for determining the extensibility of selected non-excised tissue of the uterine cervix, ear or skin A method for determining the extensibility of selected non-excised tissue of the uterine cervix, ear or skin by: (a) positioning the tissue between two force transmitting members, applying a varying compressive force to the tissue through the force transmittin... | 02/21/1984 |
| 3998090 | Soil compactor A soil compactor for laboratory use to systematically and controllably coct specimens of soil and earth-rock mixture materials. The raising of a drop hammer after each strike to a pre-selected height is accomplished automatically by the use of a pneumati... | 12/21/1976 |
| 3948090 | Method of measuring dimensional variations in a workpiece A method of measuring dimensional variations in a workpiece in which two spaced points are formed on the workpiece and their images transferred to an image transfer material. After the workpiece has been subjected to a mechanical and/or thermal load and t... | 04/06/1976 |
