Patents
Patents for G01N 3 - Investigating strength properties of solid materials by application of mechanical stress (30,941)
04/1994
04/14/1994WO1994008218A1 Apparatus for testing endurance properties of the femoral component of a hip prosthesis
04/14/1994CA2149228A1 Method for determining the deformability of the surface of a test specimen
04/13/1994EP0591997A2 Method and apparatus for testing the bending characteristics of surgical needles
04/12/1994US5302550 Method of bonding a microelectronic device
04/12/1994US5302023 Localized convection environmental chamber
04/12/1994US5301558 Testing apparatus for a multilayer piezoelectric actuator
04/12/1994CA2002510C Expansible reel for tests on filamentary material, in particular optical fibres
04/07/1994DE4232982A1 Verfahren zur Bestimmung des Verhaltens von Materialoberflächen in Mikrostrukturbereichen durch definierte Beeinflussung mit mechanischen Kräften A method for determining the behavior of material surfaces in microstructure areas defined by interference with mechanical forces
04/07/1994CA2106792A1 Method and apparatus for testing the bending characteristics of surgical needles
04/06/1994CN2160902Y Bearing monitor
04/06/1994CN2160901Y Multifunctional portable material tester
04/06/1994CN2160900Y High-linearity large-range E-shaped clamp type stressometer
04/06/1994CN1084966A Directly measuring bonding mortar strength method and equipment
04/05/1994US5299866 Pebble-bed heater and shock tube assembly
04/05/1994US5299450 Method for evaluating performance of aluminum alloy wiring film
03/1994
03/31/1994WO1994007128A1 Determination of the extent of cross-linking prior to the intentional curing of polymers
03/30/1994EP0589772A1 Plate apparatus for mechanical testing of soils and vehicle equipped with this apparatus
03/30/1994EP0588844A1 Improvements in or relating to centrifuges and associated apparatus and methods.
03/29/1994US5297441 Apparatus for supporting a test specimen for compression testing
03/29/1994US5297440 Method and apparatus for testing the bending characteristics of surgical needles
03/24/1994DE4231722A1 Simple and reliable determination of curing time of polymer - by dipping needle into thermostatically controlled specimen, rotating specimen, and continuously measuring force applied to needle.
03/23/1994EP0588664A2 Sample core stabilization
03/23/1994EP0588157A2 Abrasion analyzer and testing method
03/22/1994US5297062 For use in determining sheet caliper
03/22/1994US5296705 Imaging system with integrated measuring of the wear of its optical elements working in transmission mode and optronic imaging equipment comprising an imaging system such as this
03/22/1994US5295402 Method for achieving high pressure using isotopically-pure diamond anvils
03/17/1994WO1994005997A1 Device for determining the resistance to breaking of test cylinders
03/17/1994WO1994005993A2 Elastographic measurement and imaging apparatus and method
03/17/1994WO1994005453A1 Improved collet and method for optimizing gripping action thereof
03/17/1994CA2122155A1 Improved collet and method for optimizing gripping action thereof
03/16/1994CN1083926A Surveying device for friction test of electric contact material
03/15/1994US5294199 System and method for thermally stress screening products
03/15/1994US5293870 Method and apparatus for elastographic measurement and imaging
03/15/1994CA2017982C Pressure control apparatus and method
03/10/1994DE4330122A1 Energy destruction system for vehicle simulated crash tests - with pneumatically controlled braking device providing programmed retardation function
03/10/1994DE4229593A1 Force measuring device for rotor shaft clamped to wheel-balance test machine - has deformable ring contg. strain gauges angularly-distributed around rotor axis, and radially-movable clamp contg. strain gauges respectively for detecting planar force perpendicular to rotor axis and radial force
03/10/1994DE4229549A1 Determination method for mechanical properties of biological tissue - using in situ measuring head applying dynamic twisting
03/10/1994DE4228843A1 Vorrichtung zur Ermittlung der Bruchfestigkeit von Prüfzylindern Device for determining the tensile strength of test cylinders
03/09/1994EP0585555A2 Mechanism for inserting a yarn in a yarn tester
03/09/1994CN2158537Y Platform for investigating strength property
03/09/1994CN1083589A Closed-circuit pressure container fatigue test device
03/08/1994US5292481 Crack propagation test specimen
03/08/1994US5291774 Tennis ball tester
03/02/1994CN2158082Y Nail-injector & injecting nail for testing concrete intensity
03/01/1994US5291419 Method for diagnosing the life of a solder connection
03/01/1994US5291279 Fatigue testing apparatus and method
03/01/1994US5290101 Liquid thermal cycling methods and apparatus
03/01/1994US5289728 Flow-no-flow tester
03/01/1994US5289723 Antisymmetric grain support test device and methods
02/1994
02/24/1994DE4227587A1 Cylindrical helical spring characteristic measuring device - has scale between spring and short end of lever which is connected to weighing and support blades
02/24/1994DE4227376A1 Bulk material parameter measuring appts. - has sample extraction device with compaction, force and/or displacement measurement unit
02/24/1994DE4227152A1 Revolving fatigue testing machine - has sample-receiving bearings with upper and lower pivoting bearings for applying bending counter-torques transverse to axis of rotation of sample
02/23/1994EP0583592A2 Apparatus for determining the time available for processing and the time and extent of fixing and texturing of stucco mortar
02/23/1994CN2157512Y Combined multipurpose square calliper
02/22/1994US5287750 Apparatus for inspecting mechanical strength of bottom portions of bottom-closed hollow pipes
02/22/1994US5287749 Thermomechanical analyzer
02/22/1994US5287742 Device for detecting defects of web
02/22/1994US5287727 Fixture for pressure testing sight glasses
02/22/1994US5287726 For purging coolant lines of transformers and/or dynamoelectric stators
02/16/1994EP0582947A1 Device for measuring tension in a web
02/16/1994EP0582654A1 A dynamic thermal-mechanical material testing system utilizing a balanced magnetic field.
02/16/1994CN2156501Y Intelligent engine cylinder wearing tester
02/16/1994CN2156500Y Tester for concrete return spring instrument
02/16/1994CN2156499Y Electromagnetic vibration table for cement strength testing
02/15/1994US5286108 Fixture for performing tensile tests at extremely high temperature
02/15/1994US5285681 On-line pellet durability tester
02/09/1994EP0582437A2 Test for bond strength
02/09/1994CN2155568Y Swinging mechanical screen for investigating the strength of coke
02/08/1994US5284063 Creep test coupon for metal matrix composites
02/08/1994US5284058 Dual beam complex modulus apparatus
02/08/1994US5284049 Indentation hardness tester
02/02/1994CN1023659C Apparatus for impact testing for electric generator slator wedge tightness
02/01/1994US5282382 Roll hardness observation testing apparatus and process
01/1994
01/26/1994EP0579796A1 Method and device for determining the strength of warp yarns.
01/25/1994US5280730 Apparatus for the compressive testing of testpieces for interlaminar shear tests and processes for the shear testing of testpieces, particularly curved testpieces
01/25/1994CA1326552C Sheet tension sensor
01/25/1994CA1326551C Automated material classification apparatus and method
01/25/1994CA1326376C Extensometer for material testing machine
01/20/1994WO1994001738A1 A device for monitoring the fatigue life of a structural member and a method of making same
01/20/1994WO1994001279A1 Adhesion testing
01/20/1994DE4328540A1 Soil mechanical load testing - measuring expansion of bore diameter caused by conversion of piston-cylinder reciprocation of internal shaft into lateral movement by cam levers acting on parallel side plates under standard load
01/20/1994DE4223366A1 Transportable test system for reproducible load testing of angled load carrier, esp. on fork lift truck - has triangular test frame with load device between frame and carrier
01/19/1994EP0579054A2 Method and apparatus for determining abrasion potential of tire treads
01/19/1994CN2153796Y Integrated minisize richter durometer
01/18/1994US5279166 Load testing device for specimens
01/15/1994CA2100385A1 Method and apparatus for determining abrasion potential of tire treads
01/12/1994EP0578127A2 Mechanical in situ curometer
01/12/1994EP0517830B1 Method and apparatus for measuring irregularities and hardness of a roll surface
01/11/1994US5278776 System and method for the measurement of mechanical properties of elastic materials
01/11/1994US5278495 Method for testing a printed circuit board
01/11/1994US5277069 Device for low temperature bend-testing
01/11/1994CA1325896C Determining fracture mode transition behavior of solid materials using miniature specimens
01/11/1994CA1325895C Determining plane strain fracture toughness and the j-integral for solid materials using stress field modified miniature specimens
01/05/1994EP0577512A1 Method and apparatus for determining the fatigue limit of a material
01/05/1994DE4222057A1 Shock testing machine accelerator e.g. for testing sensor used for vehicle airbag passenger safety system - has acceleration generating device connected to toothed belt and imparting pulse to test object carriage via adjustable flexural rod.
01/05/1994DE4221395A1 Paper web shear force valve determn. - uses signals for speed and web tension on either side of a clamping point to give a valve correlated to web width
01/05/1994DE4220977A1 Knit goods stretch measurement - has fixed and sliding fabric holder on a pedestal to register movement through draw force on sliding unit
01/05/1994DE4220594A1 Elasticity modulus of construction measurement appts. for earth and construction materials - has base housing contg. lifting magnet for supporting variable number of load plates and exerting force impulse onto upper or lower plate.
01/05/1994DE4220572A1 Determination of layer modulus of roadway construction materials - two loading plates of different sizes and at least three different loads are used with oscillating force device and sensors which detect response of roadway material
01/05/1994CN1080396A High-speed large energy material testing machine