ATE156572T1 - Ultraschall element mit wandler für anzeige der mechanichen beanspruchung - Google Patents
Ultraschall element mit wandler für anzeige der mechanichen beanspruchungInfo
- Publication number
- ATE156572T1 ATE156572T1 AT91917932T AT91917932T ATE156572T1 AT E156572 T1 ATE156572 T1 AT E156572T1 AT 91917932 T AT91917932 T AT 91917932T AT 91917932 T AT91917932 T AT 91917932T AT E156572 T1 ATE156572 T1 AT E156572T1
- Authority
- AT
- Austria
- Prior art keywords
- transducer
- indicator
- mechanical stress
- ultrasonic element
- fastener
- Prior art date
Links
- 230000001419 dependent effect Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
- G01L5/246—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed using acoustic waves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
- F16B2031/022—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load using an ultrasonic transducer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02827—Elastic parameters, strength or force
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
- G01N2291/2691—Bolts, screws, heads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49007—Indicating transducer
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Surgical Instruments (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Pressure Sensors (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Electrophonic Musical Instruments (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Die Bonding (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Measuring Fluid Pressure (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/572,415 US5131276A (en) | 1990-08-27 | 1990-08-27 | Ultrasonic load indicating member with transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE156572T1 true ATE156572T1 (de) | 1997-08-15 |
Family
ID=24287715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT91917932T ATE156572T1 (de) | 1990-08-27 | 1991-08-22 | Ultraschall element mit wandler für anzeige der mechanichen beanspruchung |
Country Status (14)
Country | Link |
---|---|
US (1) | US5131276A (de) |
EP (1) | EP0544823B1 (de) |
JP (1) | JP3102570B2 (de) |
CN (2) | CN1033055C (de) |
AT (1) | ATE156572T1 (de) |
AU (1) | AU644490B2 (de) |
BR (1) | BR9106812A (de) |
CA (1) | CA2090418C (de) |
DE (1) | DE69127201T2 (de) |
DK (1) | DK0544823T3 (de) |
ES (1) | ES2104724T3 (de) |
GR (1) | GR3025181T3 (de) |
RU (1) | RU2076252C1 (de) |
WO (1) | WO1992003665A1 (de) |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5807048A (en) * | 1992-09-03 | 1998-09-15 | European Atomic Energy Community (Euratom) | Sealing fastener with ultrasonic identifier and removal attempt indicator, and ultrasonic reading device for same |
FI930259A (fi) * | 1992-11-06 | 1994-05-07 | Takiron Co | Polymert piezoelektriskt material |
AT399484B (de) * | 1993-05-10 | 1995-05-26 | Voest Alpine Eisenbahnsysteme | Einrichtung zur messung der weichenstellkraft |
US5461923A (en) * | 1994-05-16 | 1995-10-31 | Raymond Engineering Inc. | Acoustic transducer, transducerized fastener and method of manufacture |
FR2723197B1 (fr) * | 1994-07-26 | 1996-10-25 | Smep Sa | Elements de boulonnerie equipes d'un dispositif de reglage initial et de surveillance a posteriori de l'allongement |
GB2293698B (en) * | 1994-09-23 | 1998-03-11 | Crane Electronics | Socket for use in measuring clamp load |
JPH08229841A (ja) * | 1994-12-29 | 1996-09-10 | Kuwantai Syst Kk | 定軸力ボルト締着装置 |
DE19503524A1 (de) | 1995-02-03 | 1996-08-08 | Bosch Gmbh Robert | Impulsschrauber und Verfahren zum Anziehen einer Schraubverbindung mittels des Impulsschraubers |
JP3123703B2 (ja) * | 1995-08-17 | 2001-01-15 | トヨタ自動車株式会社 | ボルトの成形方法 |
DE19781746T1 (de) * | 1996-05-03 | 1999-03-25 | Ultrafast Inc | Technik zum Eliminieren bzw. Beseitigen einer Mehrdeutigkeit, wenn Impuls-Echo-Zeit- bzw. Taktmessungen durchgeführt werden |
US6009759A (en) * | 1996-05-03 | 2000-01-04 | Ultrafast, Inc. | Minimizing the effect of bending on ultrasonic measurements in a load-bearing member |
US6354152B1 (en) | 1996-05-08 | 2002-03-12 | Edward Charles Herlik | Method and system to measure dynamic loads or stresses in aircraft, machines, and structures |
WO1997045725A1 (en) * | 1996-05-31 | 1997-12-04 | Ultrafast, Inc. | Use of load measurements for quality control of joints during assembly |
US6186010B1 (en) * | 1997-12-17 | 2001-02-13 | Toyota Jidosha Kabushiki Kaisha | Bolt for ultrasonic axial tension measurement |
NL1011591C1 (nl) * | 1999-03-18 | 2000-10-03 | Konink Nedschroef Holding N V | Schroefbout met meetvlakken. |
CZ293517B6 (cs) | 1999-06-22 | 2004-05-12 | Škodaáautoźáa@Ás | Spojovací šroub pro opakované utahování přes mez kluzu |
US7467556B2 (en) * | 2001-01-29 | 2008-12-23 | Innovation Plus, Llc | Thread forming fasteners for ultrasonic load measurement and control |
US7441462B2 (en) * | 2001-01-29 | 2008-10-28 | Innovation Plus, Llc | Load indicating member with identifying element |
US8037772B2 (en) * | 2002-09-19 | 2011-10-18 | Innovation Plus, Llc | Thread forming fasteners for ultrasonic load measurement and control |
EP1364132B2 (de) * | 2001-01-29 | 2023-09-13 | Innovation Plus, L.L.C. | Lastanzeigeglied mit identifizierungsmarkierung |
US6501211B1 (en) | 2001-07-13 | 2002-12-31 | Masoud Nasrollahzadeh | Ultra-sonic transducer assembly incorporated into a printed circuit board for determining tension forces in a bolt |
DE10259527A1 (de) * | 2002-12-19 | 2004-07-01 | Robert Bosch Gmbh | Aufprallsensor |
US7086705B2 (en) * | 2003-09-04 | 2006-08-08 | Benmaxx, Llc | Zinc stud insert |
IL160364A0 (en) * | 2003-12-30 | 2009-02-11 | Nexense Ltd | Method and apparatus for measuring torque and other forces |
JP4524197B2 (ja) * | 2004-03-02 | 2010-08-11 | 株式会社サンノハシ | 軸力検知締結工具、ボルト、ボルトの製造方法 |
DE102004021384A1 (de) * | 2004-04-30 | 2005-11-24 | Henkel Kgaa | Verfahren zur Herstellung von Granulaten mit verbesserter Lagerstabilität und Abriebfestigkeit |
US7698949B2 (en) * | 2005-09-09 | 2010-04-20 | The Boeing Company | Active washers for monitoring bolted joints |
FR2896440B1 (fr) * | 2006-01-25 | 2008-05-02 | Peugeot Citroen Automobiles Sa | Procede et systeme de diagnostic de l'etat de fonctionnement d'une visseuse asservie a une ligne d'assemblage de vehicule. |
WO2007117575A2 (en) * | 2006-04-06 | 2007-10-18 | Innovation Plus, Llc | System for dynamically controlling the torque output of a pneumatic tool |
DE202006006990U1 (de) | 2006-04-27 | 2006-07-13 | Pfw Technologies Gmbh | Verbindungsbauteil mit temperaturfestem Sensorelement |
EP2035217B1 (de) * | 2006-05-26 | 2018-07-25 | Innovation Plus, L.L.C. | Sonde zur identifizierung eines befestigers und ultraschall-lastmessung |
US7520174B2 (en) * | 2006-08-24 | 2009-04-21 | Ronald C. Clarke | Method and apparatus for indicating a load |
US20080178713A1 (en) * | 2007-01-31 | 2008-07-31 | Robert Earl Long | Fastener tightening system utilizing identification technology |
US8810370B2 (en) | 2010-01-22 | 2014-08-19 | The Boeing Company | Wireless collection of fastener data |
US8683869B2 (en) * | 2008-09-04 | 2014-04-01 | The Boeing Company | Monitoring fastener preload |
US8978967B2 (en) * | 2007-10-31 | 2015-03-17 | The Boeing Campany | Intelligent fastener system |
US8521448B1 (en) | 2009-10-21 | 2013-08-27 | The Boeing Company | Structural analysis using measurement of fastener parameters |
US20090206705A1 (en) * | 2008-02-19 | 2009-08-20 | Nies Jacob J | Fasteners with welded ultrasonic stress transducers |
CN101799033B (zh) * | 2009-02-10 | 2011-09-14 | 南通高盛机械制造有限公司 | 一种带检测接口的多级顶推紧固器 |
US8386118B2 (en) | 2009-08-04 | 2013-02-26 | The Boeing Company | System and method for detecting an anomaly in a hidden layer of a multi-layer structure |
US9339926B2 (en) | 2010-05-03 | 2016-05-17 | Innovation Plus, Llc | System for performing predefined fastener installation procedures |
CN102435363B (zh) * | 2011-09-21 | 2015-03-11 | 陈威 | 能进行超声波精确测量的具有超声波传感器的连接件及工艺和用途 |
CN103684044B (zh) * | 2012-09-03 | 2016-01-27 | 中国科学院理化技术研究所 | 压电薄膜发电器及其制作方法 |
US9127998B1 (en) * | 2012-09-04 | 2015-09-08 | University Of South Florida | Active ultrasonic method of quantifying bolt tightening and loosening |
CN102865279A (zh) * | 2012-10-10 | 2013-01-09 | 北京理工大学 | 一种具有拉应力和缺陷自检测功能的螺栓 |
US9429546B2 (en) * | 2013-03-22 | 2016-08-30 | Siemens Energy, Inc. | Phased array ultrasonic bolt inspection apparatus and method |
WO2015088184A1 (en) * | 2013-12-09 | 2015-06-18 | Samsung Medison Co., Ltd. | Method of manufacturing ultrasonic probe |
ES2924189T3 (es) * | 2014-03-11 | 2022-10-05 | Innovation Plus L L C | Sistema de aplicación de un transductor ultrasónico a un elemento de sujeción |
EA033305B1 (ru) * | 2014-03-27 | 2019-09-30 | Луккини Рс С.П.А. | Ось колесных пар и соответствующий способ ультразвукового контроля |
WO2017082325A1 (ja) * | 2015-11-12 | 2017-05-18 | 日本精工株式会社 | ステアリング装置及びステアリング装置の組立方法 |
DK179021B1 (en) * | 2015-12-21 | 2017-08-28 | Kk Wind Solutions As | Ultrasonic bolt monitoring |
US11137304B2 (en) * | 2016-06-15 | 2021-10-05 | Intelligent Optical Systems, Inc. | Laser ultrasonic fastener load measurement probe |
US10571432B2 (en) * | 2016-08-31 | 2020-02-25 | General Electric Company | Methods, systems, and devices for solid axle testing |
EP3595515A4 (de) | 2017-03-14 | 2020-12-30 | University of Connecticut | Biologisch abbaubarer drucksensor |
CN109425456A (zh) * | 2017-08-24 | 2019-03-05 | 中车株洲电力机车研究所有限公司 | 一种风电机组高强度螺栓载荷测试方法 |
DE102018212558A1 (de) * | 2018-07-27 | 2020-01-30 | Robert Bosch Gmbh | Ankervorrichtung |
JP6823625B2 (ja) | 2018-08-03 | 2021-02-03 | 本田技研工業株式会社 | 締付装置 |
CN109139654A (zh) * | 2018-10-10 | 2019-01-04 | 中国商用飞机有限责任公司 | 能直接加装载荷检测设备的非标准螺栓 |
CN109781332B (zh) * | 2019-01-08 | 2021-05-18 | 中国大唐集团新能源科学技术研究院有限公司 | 基于轴力和伸长量控制螺栓预紧力的方法 |
CN109668672A (zh) * | 2019-01-08 | 2019-04-23 | 中国大唐集团新能源科学技术研究院有限公司 | 超声螺栓预紧力测量方法 |
CN109883664A (zh) * | 2019-01-08 | 2019-06-14 | 中国大唐集团新能源科学技术研究院有限公司 | 风电螺栓实时监控与诊断*** |
CN109724742A (zh) * | 2019-01-15 | 2019-05-07 | 中国第一汽车股份有限公司 | 一种用于螺栓轴力测量的方法 |
US11678989B2 (en) * | 2019-03-01 | 2023-06-20 | University Of Connecticut | Biodegradable piezoelectric nanofiber scaffold for bone or tissue regeneration |
US11826495B2 (en) | 2019-03-01 | 2023-11-28 | University Of Connecticut | Biodegradable piezoelectric ultrasonic transducer system |
CN110285125A (zh) * | 2019-05-17 | 2019-09-27 | 杭州戬威机电科技有限公司 | 一种粘接式探头封装和智能螺栓 |
US10938447B1 (en) * | 2019-08-08 | 2021-03-02 | The Boeing Company | Radio-frequency-identification-based smart fastener |
CN110787984B (zh) * | 2019-12-04 | 2023-09-22 | 航天精工股份有限公司 | 具有超声波换能器的紧固件及制造工艺和用途 |
WO2021183626A1 (en) | 2020-03-10 | 2021-09-16 | University Of Connecticut | Therapeutic bandage |
CN111504541B (zh) * | 2020-04-20 | 2021-07-23 | 中物院成都科学技术发展中心 | 适于高腐蚀环境下使用的具有应力传感功能的紧固件及薄膜换能传感*** |
CN112179553B (zh) * | 2020-09-09 | 2021-06-22 | 西南交通大学 | 一种超声同步测量螺栓轴向力和剪切力的方法 |
CN114593370A (zh) * | 2020-12-04 | 2022-06-07 | 中国石油化工股份有限公司 | 天然气脱氮溶剂吸收管道失效的预警方法及相应*** |
CN113481476B (zh) * | 2021-06-11 | 2023-07-21 | 武汉大学 | 一种耐高温AlN/ZnO纳米复合压电涂层及其制备方法 |
CN114623956B (zh) * | 2022-02-24 | 2023-03-17 | 武汉大学 | 一种螺栓随机横向载荷及其作用方向的超声测量方法 |
CN115143928B (zh) * | 2022-09-05 | 2022-11-25 | 云南省交通投资建设集团有限公司 | 一种模拟高温高压环境的应变探头标定***及方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3307393A (en) * | 1963-12-23 | 1967-03-07 | Ingersoll Rand Co | Stress measuring device |
US3308476A (en) * | 1964-01-21 | 1967-03-07 | Kleesattel Claus | Resonant sensing devices |
US3306100A (en) * | 1964-02-25 | 1967-02-28 | Skidmore Wilhelm Mfg Co | Ultrasonic bolt tension tester |
US3918294A (en) * | 1970-11-24 | 1975-11-11 | Toyota Motor Co Ltd | Axial force measuring method utilizing ultrasonic wave |
JPS4939035B1 (de) * | 1970-11-24 | 1974-10-22 | ||
US3759090A (en) * | 1971-02-22 | 1973-09-18 | Mc Donnell Douglas Corp | Ultrasonic extensometer |
US3810385A (en) * | 1971-02-22 | 1974-05-14 | Mc Donnell Douglas Corp | Transducer means for ultrasonic extensometer |
US3812709A (en) * | 1972-02-09 | 1974-05-28 | Thermo Electron Corp | Stress gage |
US3969810A (en) * | 1974-05-13 | 1976-07-20 | Pagano Dominick A | Method for tightening a bolt to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed |
US3969960A (en) * | 1974-05-13 | 1976-07-20 | Dominick A Pagano | Method and apparatus for tightening a bolt to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed |
JPS5143180A (en) * | 1974-10-11 | 1976-04-13 | Toyota Motor Co Ltd | Futatsuno choonpashindomoodoo ryoshita jikuryokusokuteihoho |
US4014208A (en) * | 1976-04-01 | 1977-03-29 | Rockwell International Corporation | Ultrasonic system for measuring dimensional or stress change in structural member |
US4062227A (en) * | 1976-12-23 | 1977-12-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | CW ultrasonic bolt tensioning monitor |
US4127788A (en) * | 1977-07-08 | 1978-11-28 | Daugherty Ralph N | Piezoelectric stress indicator for mine roofs |
US4117731A (en) * | 1977-12-08 | 1978-10-03 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Pseudo continuous wave instrument |
US4294122A (en) * | 1979-07-12 | 1981-10-13 | General Dynamics Corporation | Fastener incorporating ultrasonic transducer |
US4344216A (en) * | 1979-12-10 | 1982-08-17 | Sps Technologies, Inc. | Apparatus and method for tightening an assembly |
US4363242A (en) * | 1980-10-23 | 1982-12-14 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Pulsed phase locked loop strain monitor |
US4471657A (en) * | 1981-05-12 | 1984-09-18 | Stresstel Corporation | Digital ultrasonic stress measuring method and apparatus |
US4413518A (en) * | 1981-07-20 | 1983-11-08 | Ndt Instruments, Inc. | Apparatus and method for measuring the extension of bolts under stress |
US4402222A (en) * | 1982-01-26 | 1983-09-06 | Snap-On Tools Corporation | Bolt load determining apparatus |
LU84553A1 (fr) * | 1982-12-24 | 1984-10-22 | Benoit De Halleux | Procede de mesure de contrainte dans un milieu et element et assemblage pour la mise en oeuvre de ce procede |
US4601207A (en) * | 1985-01-11 | 1986-07-22 | The United States Of America As Represented By The Secretary Of The Interior | Measuring mine roof bolt strains |
US4602511A (en) * | 1985-06-20 | 1986-07-29 | J. A. Green Company | Method for measuring fastener stress utilizing longitudinal and transverse ultrasonic wave time-of-flight |
US4760740A (en) * | 1987-07-22 | 1988-08-02 | Raymond Engineering Inc. | Vacuum coupled transducer |
US4846001A (en) * | 1987-09-11 | 1989-07-11 | Sps Technologies, Inc. | Ultrasonic load indicating member |
US4899591A (en) * | 1987-09-11 | 1990-02-13 | Sps Technologies, Inc. | Ultrasonic load indicating member, apparatus and method |
-
1990
- 1990-08-27 US US07/572,415 patent/US5131276A/en not_active Expired - Lifetime
-
1991
- 1991-08-22 RU RU93004820/28A patent/RU2076252C1/ru not_active IP Right Cessation
- 1991-08-22 BR BR919106812A patent/BR9106812A/pt not_active IP Right Cessation
- 1991-08-22 ES ES91917932T patent/ES2104724T3/es not_active Expired - Lifetime
- 1991-08-22 WO PCT/US1991/006016 patent/WO1992003665A1/en active IP Right Grant
- 1991-08-22 DK DK91917932.5T patent/DK0544823T3/da active
- 1991-08-22 JP JP03516650A patent/JP3102570B2/ja not_active Expired - Fee Related
- 1991-08-22 AT AT91917932T patent/ATE156572T1/de not_active IP Right Cessation
- 1991-08-22 CA CA002090418A patent/CA2090418C/en not_active Expired - Lifetime
- 1991-08-22 DE DE69127201T patent/DE69127201T2/de not_active Expired - Lifetime
- 1991-08-22 EP EP91917932A patent/EP0544823B1/de not_active Expired - Lifetime
- 1991-08-22 AU AU87291/91A patent/AU644490B2/en not_active Ceased
- 1991-08-27 CN CN91109283.8A patent/CN1033055C/zh not_active Expired - Fee Related
-
1995
- 1995-09-22 CN CN95102553.8A patent/CN1089435C/zh not_active Expired - Fee Related
-
1997
- 1997-10-29 GR GR970402816T patent/GR3025181T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
WO1992003665A1 (en) | 1992-03-05 |
EP0544823B1 (de) | 1997-08-06 |
DK0544823T3 (da) | 1998-03-09 |
DE69127201D1 (de) | 1997-09-11 |
US5131276A (en) | 1992-07-21 |
BR9106812A (pt) | 1993-07-06 |
EP0544823A4 (de) | 1995-07-12 |
AU8729191A (en) | 1992-03-17 |
CN1089435C (zh) | 2002-08-21 |
JP3102570B2 (ja) | 2000-10-23 |
CN1121586A (zh) | 1996-05-01 |
AU644490B2 (en) | 1993-12-09 |
CA2090418C (en) | 1997-11-04 |
ES2104724T3 (es) | 1997-10-16 |
EP0544823A1 (de) | 1993-06-09 |
DE69127201T2 (de) | 1998-02-12 |
RU2076252C1 (ru) | 1997-03-27 |
JPH06504116A (ja) | 1994-05-12 |
CN1060526A (zh) | 1992-04-22 |
CN1033055C (zh) | 1996-10-16 |
CA2090418A1 (en) | 1992-02-28 |
GR3025181T3 (en) | 1998-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE156572T1 (de) | Ultraschall element mit wandler für anzeige der mechanichen beanspruchung | |
EP0325805A3 (de) | Messwertaufnehmer zur nichtinvasiven Messung von Schall, Druck und Vibrationen am menschlichen Körper | |
DE68906017D1 (de) | Magnetostriktiver drehmoment-messfuehler. | |
ATE47487T1 (de) | Kraftmesseinrichtung. | |
DE3579561D1 (de) | Fernmessung von zustaenden. | |
KR900015891A (ko) | 저투과성 호스의 제조방법 | |
BR9709582A (pt) | Minimizar o efeito de curvatura sobre medições ultra-sÈnicas em um elemento de suporte de carga | |
DE3482499D1 (de) | Akustisches bohrlochmessgeraet zur kompressions- und scherwellenmessung. | |
SE7900167L (sv) | Lastomvandlare med tradtojningsgivare | |
DE59408520D1 (de) | Positionsmesseinrichtung | |
EP0273666A3 (de) | Ausdehnungsmesser | |
ATE43720T1 (de) | Kraftmesseinrichtung. | |
CA2121294A1 (en) | Extended Range Vibrating Wire Strain Monitor | |
ES2036503A6 (es) | Detector de impactos. | |
FI922666A0 (fi) | Diagnostiskt foerfarande. | |
ES2084343T3 (es) | Cierre de bisagra elastico de plastico. | |
SE7708000L (sv) | Temperaturdetektormontering | |
KR900014081A (ko) | 연마재 | |
ATE22493T1 (de) | Messeinrichtung. | |
DE3850638D1 (de) | Lötstellenprüfvorrichtung durch electronische Messung der Lötstellenfläche. | |
DE59005952D1 (de) | Verfahren zur befestigung von bauteilen und montageunterlage zur durchführung des verfahrens. | |
ATE1458T1 (de) | Kraftwandler. | |
RU93037021A (ru) | Устройство для комплексного зондирования грунтов | |
JPS56117165A (en) | Stress detector | |
SU1822252A1 (ru) | Способ определения напряжения трения на поверхности аэродинамических моделей |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEIH | Change in the person of patent owner | ||
EELA | Cancelled due to lapse of time |