Patents
Patents for G01N 3 - Investigating strength properties of solid materials by application of mechanical stress (30,941)
07/1989
07/05/1989CN1033694A Automatical detection analysis method and equipment for static pile driver
07/04/1989US4843888 Self aligning test grip
06/1989
06/29/1989WO1989005954A1 Method and apparatus for measuring thickness and/or compression of fabrics
06/29/1989DE3743262A1 Device for testing and quality control
06/28/1989EP0321888A2 Method and apparatus for detecting and eliminating entrapped gas bubbles in a thick film coating
06/27/1989US4841779 Tension tester
06/27/1989US4841764 Device for a hardness measuring instrument
06/22/1989DE3840789A1 Test set for the quality of the connection between two components, especially a metal sheet and a welded bolt
06/22/1989DE3741992A1 Test device for determining the resistance to cutting wear stress
06/22/1989DE3741429A1 Device for carrying out material tests
06/21/1989CN2039842U Portable sclerometer
06/21/1989CN2039841U Two stampling block for measuring tensile strength of moulding sand
06/21/1989CN2039840U Full hydraulic pulse testing machine for fatique of road surface
06/20/1989US4840070 Laminate compression tester
06/15/1989WO1989005448A1 Procedure for estimating fracture energy from surface roughness
06/14/1989CN1004516B Vibration friction abrasion testing machine
06/13/1989US4839280 Walls of biocompatible polysiloxane surface treated with amine, carboxylic acid or carbon
06/06/1989US4837776 Process for measuring the variations in volume of fluids, especially shrinkage measurements in synthetic resins during hardening and a device for carrying out the process
06/06/1989US4836031 Method and apparatus for measuring deformations of test samples in testing machines
06/06/1989US4836029 Method and apparatus for measuring crack growth
06/06/1989US4836014 Simulated in vivo measurement of skin characteristics
06/06/1989US4836013 Device intended for testing the mechanical strength of pressurized containers in a hot condition
06/01/1989WO1989004956A1 Method for monitoring thinning of pipe walls
05/1989
05/30/1989US4834550 Apparatus for testing heat-insulating tubular member
05/23/1989US4831869 Apparatus and methods for measuring cell adhesion
05/18/1989DE3819980A1 Device for testing the bending stiffness and bending strength and/or the elastic resilience of rod material
05/17/1989CN2037844U Hand tester for compressive strength of building material
05/16/1989US4829839 Method for determining the environmental stress cracking resistance of plastic articles
05/10/1989EP0314829A1 High-speed tensility testing apparatus
05/10/1989CN2037476U Adjustable magnet and coil structure of column resonante
05/10/1989CN2037475U Compression strength testing machine
05/10/1989CN2037474U Rubberized type driving faligue test stand
05/03/1989DE3736014A1 Device for the dynamic inner pressure testing of gun barrels
05/02/1989US4825702 Yarn testing method
05/02/1989US4825700 Bi-axial geomaterial test system
04/1989
04/27/1989DE3734502A1 Hardness test machine
04/26/1989EP0312772A2 Impact printer
04/25/1989US4823611 Ceramic tile shear testing apparatus and method
04/25/1989US4823610 Device for and method of measuring tensile force in reinforcing member of reinforced concrete
04/25/1989US4823607 Released film structures and method of measuring film properties
04/25/1989US4823473 Measuring strain in a specimen
04/18/1989US4822741 Surface treatment by acidification, amination
04/18/1989US4822176 Method and apparatus for simulation of the operational demands acting an expanded tube joints
04/18/1989US4821579 Apparatus for clamping a test sample in a testing machine
04/18/1989US4821578 Apparatus and methods for testing surface properties of a material
04/18/1989US4821577 Determining the fracture toughness
04/18/1989CA1252894A1 System and process for measuring the strength of sheet material
04/12/1989EP0311507A2 Process for continuous determination of paper strength
04/12/1989EP0311253A2 Method and apparatus for evaluating the hardening of chemically bonded foundry sand moulds and cores
04/12/1989EP0311235A2 Load testing apparatus
04/12/1989EP0310659A1 Stem load determining system
04/12/1989CN1032398A Car for testing strength of soil with loading plate
04/12/1989CN1032397A Apparatus for dynamically measuring bearing capacity of foundation
04/12/1989CN1032396A Rod-type device for measuring performances of fracture and fragmenting due to impact
04/11/1989US4820051 Apparatus for determining microhardness
04/11/1989US4819488 Apparatus for testing the resistance to cleavage of cardboard tubes
04/11/1989US4819340 Compact focal plane precision positioning device and method
04/06/1989WO1989003026A1 Preloading clamp
04/05/1989CN2035475U Detecting instrument for coal strength
04/05/1989CN2035474U Separator for spring
04/05/1989CN2035473U Loading device for testing machine
04/04/1989US4817438 Water applicator for paper tensile strength tester
03/1989
03/29/1989EP0309123A2 Method of testing cores
03/29/1989CN1032077A Method of checking up the shock resisting ability of a cast iron ball by a drop hammer equipment
03/21/1989US4813781 Method of measuring the flowing of a material
03/21/1989US4813287 Testing device for determining mechanical properties of a granulated material
03/15/1989CN2034278U Testing machine for shoes wear and tear
03/15/1989CN1031761A Controller for monofilament strength machine
03/14/1989US4812052 Apparatus for creep endurance testing structural components
03/09/1989DE3728322A1 Method for determining the characteristics of a rubber bearing
03/08/1989EP0306110A2 Method for manufacture of a coriolis flow meter
03/08/1989CN2033902U Clamp splice for tensile test of metal plates
03/07/1989US4810438 Method of controlling a resin curing process
03/07/1989US4809556 Preloading clamp
02/1989
02/28/1989US4807465 Apparatus for measuring capsule plug, granule and pellet hardness
02/15/1989CN2032715U Guy speed-regulating disk mechanism for material tester
02/09/1989WO1989001141A1 Self aligning test grip
02/09/1989DE3724844A1 Device for ascertaining failure data
02/08/1989CN2032320U Data processing machine for microhardness meter
02/07/1989US4802367 Tensile test controller
02/07/1989US4802366 Apparatus and process for impact testing of plastics
02/07/1989US4802365 Multi-axial fatigue testing machine
02/07/1989CA1249733A1 Apparatus for measuring pull-out resistance
02/02/1989DE3723933A1 Verfahren zum erfassen einer kleinflaechigen, nahezu punktfoermigen und weitgehend kraeftefreien beruehrung zwischen einer sonde und einem festen gegenstand, sowie beruehrungsdetektor A method for detecting a kleinflaechigen, almost punktfoermigen and largely kraeftefreien contact between a probe and a fixed object, and beruehrungsdetektor
02/01/1989CN2031927U Large-size automatic firmness-impacting apparatus
02/01/1989CN2031926U Electromechanical type spring testing apparatus with digital display
01/1989
01/31/1989CA1249654A1 Quality control for sucker rods
01/26/1989WO1989000672A1 Process for detecting a nearly pinpoint, essentially force-free contact of small area between a probe and a solid object, and contact detector
01/26/1989DE3723475A1 Device for clamping material test pieces in testing machines
01/25/1989EP0300702A2 Compression test machine
01/25/1989CN2031522U Nondestructive shift survey for concrete pile bed
01/24/1989US4799453 Apparatus for the solidification of liquid films
01/24/1989US4799375 Instrumented test hammer
01/18/1989EP0299282A1 Method and set-up for testing the functioning of a load suspension device
01/18/1989CN2031096U Drop hammer type bend and sinking instrument
01/18/1989CN2031095U Tester for cement resistance to breaking
01/17/1989US4798085 Test rig for examining seal finger wear
01/11/1989CN2030719U Concrete compression strength measuring device
01/04/1989EP0297643A1 Method and device for examining the wear and friction properties of surface materials exposed to sliding friction
01/04/1989CN1030136A Method and apparatus for simulation of the operational demands on a connection between components