DE2513223C3 - Vorrichtung zum Anzeigen von Mineralölprodukten die unkontrolliert aus Rohren o.dgl. entweichen - Google Patents
Vorrichtung zum Anzeigen von Mineralölprodukten die unkontrolliert aus Rohren o.dgl. entweichenInfo
- Publication number
- DE2513223C3 DE2513223C3 DE2513223A DE2513223A DE2513223C3 DE 2513223 C3 DE2513223 C3 DE 2513223C3 DE 2513223 A DE2513223 A DE 2513223A DE 2513223 A DE2513223 A DE 2513223A DE 2513223 C3 DE2513223 C3 DE 2513223C3
- Authority
- DE
- Germany
- Prior art keywords
- outer conductor
- displaying
- mineral oil
- conductor
- oil products
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003209 petroleum derivative Substances 0.000 title 1
- 239000004020 conductor Substances 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 16
- 239000002480 mineral oil Substances 0.000 claims description 11
- 235000010446 mineral oil Nutrition 0.000 claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 21
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- 239000003921 oil Substances 0.000 description 6
- 238000010292 electrical insulation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 235000019271 petrolatum Nutrition 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
- G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/165—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means by means of cables or similar elongated devices, e.g. tapes
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S138/00—Pipes and tubular conduits
- Y10S138/06—Corrosion
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49115944A JPS581379B2 (ja) | 1974-10-08 | 1974-10-08 | リユウタイケンチケ−ブル |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2513223A1 DE2513223A1 (de) | 1976-04-15 |
DE2513223B2 DE2513223B2 (de) | 1978-07-27 |
DE2513223C3 true DE2513223C3 (de) | 1979-03-29 |
Family
ID=14675023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2513223A Expired DE2513223C3 (de) | 1974-10-08 | 1975-03-25 | Vorrichtung zum Anzeigen von Mineralölprodukten die unkontrolliert aus Rohren o.dgl. entweichen |
Country Status (6)
Families Citing this family (83)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5289981A (en) * | 1976-01-22 | 1977-07-28 | Towa Electric | Method of detecting leakage from pipeline through detecting cable |
JPS5856105B2 (ja) * | 1977-06-02 | 1983-12-13 | 東和電気株式会社 | 検知ケ−ブルによる漏洩事故検出方法 |
CA1155178A (en) * | 1978-01-06 | 1983-10-11 | David Wright | Detecting and measuring the position of a break in solid formations |
US4312580A (en) * | 1978-12-21 | 1982-01-26 | Eumig Elektrizitats- Und Metallwaren-Industrie Gesellschaft M.B.H. | Watertight housing |
US4206632A (en) * | 1979-01-23 | 1980-06-10 | Hirosuke Suzuki | Liquid detecting device |
US4487057A (en) * | 1980-09-16 | 1984-12-11 | Raychem Corporation | Continuous sense and locate device |
DE3125388A1 (de) * | 1981-06-27 | 1983-01-13 | Battelle-Institut E.V., 6000 Frankfurt | "verfahren und vorrichtung zur kontinuierlichen ueberwachung von fluide medien enthaltenden anlagen" |
DE3225921C2 (de) * | 1982-07-10 | 1985-10-24 | Barlian, Reinhold, Dipl.-Ing.(FH), 6990 Bad Mergentheim | Überwachungseinrichtung |
JPS5832974U (ja) * | 1981-08-26 | 1983-03-03 | 株式会社オリムピック | 釣竿 |
JPS59144461U (ja) * | 1983-03-10 | 1984-09-27 | 株式会社潤工社 | 液体検知センサ |
US5382909A (en) * | 1983-06-30 | 1995-01-17 | Raychem Corporation | Method for detecting and obtaining information about changes in variables |
US5015958A (en) * | 1983-06-30 | 1991-05-14 | Raychem Corporation | Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors |
US4508934A (en) * | 1983-09-29 | 1985-04-02 | Gould Inc. | High-current sweep cable |
JPS6086945U (ja) * | 1983-11-18 | 1985-06-14 | 株式会社 潤工社 | 漏液センサ |
DE3426833A1 (de) * | 1984-07-20 | 1986-01-23 | W.L. Gore & Co GmbH, 8011 Putzbrunn | Lecksuchvorrichtung fuer saure und basische medien |
US4552989A (en) * | 1984-07-24 | 1985-11-12 | National Electric Control Company | Miniature coaxial conductor pair and multi-conductor cable incorporating same |
EP0175219B1 (de) * | 1984-09-19 | 1988-05-11 | Wolfgang Dr.-Ing. Issel | Hohle Leitung zur Anwendung bei der Bestimmung von Konzentrationsprofilen flüssiger oder gasförmiger Stoffe |
JPS6190048A (ja) * | 1984-10-09 | 1986-05-08 | Junkosha Co Ltd | 漏液検知センサ |
WO1986007483A1 (en) * | 1985-06-12 | 1986-12-18 | Raychem Corporation | Hydrocarbon sensor |
JPS6221034A (ja) * | 1985-07-19 | 1987-01-29 | Junkosha Co Ltd | 漏液検知センサ |
US4918977A (en) * | 1986-09-30 | 1990-04-24 | Tatsuta Electric Wire And Cable Co., Ltd. | Liquid leakage detector line |
US4862146A (en) * | 1987-03-27 | 1989-08-29 | Raychem Corporation | Detection apparatus |
US4910998A (en) * | 1987-05-01 | 1990-03-27 | Andrew Corporation | Fluid detection system and method having a coaxial cable with solid, stranded dielectric elements |
JPH01117743U (US07321065-20080122-C00160.png) * | 1988-01-28 | 1989-08-09 | ||
US4853615A (en) * | 1988-07-21 | 1989-08-01 | Atlantic Richfield Company | Detection of water saturation in insulation at cased road crossings |
US4853616A (en) * | 1988-07-21 | 1989-08-01 | Atlantic Richfield Company | Detection of water saturation in insulation at cased road crossings |
US4877923A (en) * | 1988-08-01 | 1989-10-31 | W. L. Gore & Associates, Inc. | Sensors for detecting and locating liquid leaks |
JPH0227560U (US07321065-20080122-C00160.png) * | 1988-08-11 | 1990-02-22 | ||
JPH0227559U (US07321065-20080122-C00160.png) * | 1988-08-11 | 1990-02-22 | ||
US4926129A (en) * | 1988-10-12 | 1990-05-15 | Raychem Corporation | Sensor assembly for detecting multiple events and distinguishing between them |
US5228478A (en) * | 1989-02-01 | 1993-07-20 | Kleisle James R | Wear indicator for material transfer systems |
DE8902072U1 (de) * | 1989-02-22 | 1989-04-27 | Kabelwerke Reinshagen Gmbh, 5600 Wuppertal | Kabel zur Ortung von Flüssigkeiten |
US4965412A (en) * | 1989-04-06 | 1990-10-23 | W. L. Gore & Associates, Inc. | Coaxial electrical cable construction |
US5172730A (en) * | 1989-07-03 | 1992-12-22 | Insituform Of North American, Inc. | Two-wall leakage detection system for a pipe |
US5204632A (en) * | 1989-07-05 | 1993-04-20 | Leach Eddie D | Apparatus and method for detecting leaks in surgical and examination gloves |
WO1991019206A1 (en) * | 1990-06-04 | 1991-12-12 | W.L. Gore & Associates, Inc. | Electronic circuitry for detecting leakage of chemical substance |
US5102012A (en) * | 1990-08-31 | 1992-04-07 | Dayco Products, Inc. | Fuel dispensing system having a flexible hose with a static dissipater and a fuel leak detector |
US5267670A (en) * | 1990-08-31 | 1993-12-07 | Dayco Products, Inc. | Fuel dispensing system having a flexible hose with a static dissipator and a fuel leak detector and method of making the same |
US5186357A (en) * | 1990-08-31 | 1993-02-16 | Dayco Products, Inc. | Fuel dispensing system having a flexible hose with a static dissipater and a fuel leak detector |
US5361030A (en) * | 1990-10-22 | 1994-11-01 | Horiba, Ltd. | Leak detector for electro-magnetic induction-type conductivity meter |
US5134377A (en) * | 1991-06-04 | 1992-07-28 | W. L. Gore & Associates, Inc. | TDR system and method for detecting leakage of a liquid |
US5203202A (en) * | 1992-02-25 | 1993-04-20 | W. L. Gore & Associates, Inc. | Apparatus for detecting leaks in circuits |
US5351008A (en) * | 1993-01-25 | 1994-09-27 | Associated Enterprises, Inc. | Portable and disposable device for detecting holes or leaks in a surgical or examination glove |
US5402828A (en) * | 1993-05-04 | 1995-04-04 | Pino; Richard | Closure device with dual-mandrel-acutated peripheral seal |
US5551484A (en) * | 1994-08-19 | 1996-09-03 | Charboneau; Kenneth R. | Pipe liner and monitoring system |
JP3390952B2 (ja) * | 1995-06-26 | 2003-03-31 | ネクストロム・ホールデイング・ソシエテ・アノニム | 押し出し機及び方法、チューブラ製品、並びに管 |
US6026862A (en) * | 1997-02-14 | 2000-02-22 | Ameron International Corporation | Double containment pipe sections |
JP3985556B2 (ja) * | 2002-03-18 | 2007-10-03 | ダイキン工業株式会社 | 空気調和装置の電気絶縁装置及びそれを備えた空気調和装置 |
US7081759B2 (en) * | 2003-12-01 | 2006-07-25 | Raymond & Lae Engineering, Inc. | Fluid detection cable |
US7555936B2 (en) * | 2005-03-04 | 2009-07-07 | Purdue Research Foundation | Hydraulic hose with integral life-sensing capability and method therefor |
US7314997B1 (en) * | 2005-07-18 | 2008-01-01 | Yazaki North America, Inc. | High speed data communication link using triaxial cable |
JP2011501160A (ja) * | 2007-10-18 | 2011-01-06 | タイコ・サーマル・コントロルズ・エルエルシー | 検出用ケーブル |
US8063309B2 (en) * | 2008-06-06 | 2011-11-22 | Raymond & Lae Engineering, Inc. | Twisted leak detection cable |
US8183872B2 (en) * | 2008-07-09 | 2012-05-22 | Eaton Corporation | Hose with fault detection capability |
US7631666B1 (en) * | 2008-08-04 | 2009-12-15 | Kwan Yuen Abraham Ng | Reinforced flexible hose with leakage indicator and method of making same |
US8087430B1 (en) | 2009-02-26 | 2012-01-03 | Betz James C | Leak detecting hose |
US8256269B2 (en) * | 2009-05-12 | 2012-09-04 | Raymond & Lae Engineering, Inc. | Aqueous chemical leak detection cable |
US8234910B2 (en) * | 2009-05-12 | 2012-08-07 | Raymond & Lae Engineering, Inc. | Aqueous chemical leak detection cable |
US8739835B2 (en) * | 2009-09-22 | 2014-06-03 | Great Lakes Copper Inc. | Fluid transfer device having leak indication and method of making same |
BR112012028917B1 (pt) * | 2010-05-12 | 2020-04-28 | Parker Hannifin Corp | manga de sensor |
DE102010030131B4 (de) * | 2010-06-15 | 2011-12-29 | Dow Deutschland Anlagengesellschaft Mbh | Handgerät sowie Verfahren zum Untersuchen eines korrosionsanfälligen metallischen Gegenstands auf Korrosion |
MX2013005686A (es) | 2010-11-22 | 2013-07-22 | Eaton Corp | Manguera detectora de presion. |
MX2013012600A (es) | 2011-04-29 | 2013-12-06 | Eaton Corp | Sistema de monitorizacion de degradacion para ensamblaje de mangueras. |
EP2841836A4 (en) | 2012-04-23 | 2016-01-13 | Eaton Corp | METHODS AND SYSTEMS FOR MEASURING PIPE RESISTANCE |
WO2014043351A1 (en) | 2012-09-14 | 2014-03-20 | Eaton Corporation | Wave contact arrangement for hose assembly |
EP2895836B1 (en) | 2012-09-14 | 2018-07-04 | Eaton Corporation | Sense and hold circuit for hose assembly |
WO2014081459A1 (en) | 2012-11-22 | 2014-05-30 | Eaton Corporation | Energy harvesting circuit for life-sensing hose assembly |
US20140149016A1 (en) * | 2012-11-29 | 2014-05-29 | Caterpillar Inc. | Conduit Degradation Detection System and Method |
WO2014130771A1 (en) | 2013-02-22 | 2014-08-28 | Eaton Corporation | Flexible contact arrangement for hose assembly |
TR201902743T4 (tr) | 2013-03-15 | 2019-03-21 | Eaton Corp | Hortum Voltaj Taşıyıcı |
CA2845350C (en) | 2013-03-22 | 2018-12-18 | Syscor Controls & Automation Inc. | Cable assembly for providing power through inductive coupling |
GB201319105D0 (en) * | 2013-10-29 | 2013-12-11 | Wellstream Int Ltd | Detection apparatus and method |
JP2015202461A (ja) * | 2014-04-15 | 2015-11-16 | セイコーエプソン株式会社 | 化学合成装置、及び化学合成装置の製造方法 |
CN104811885A (zh) * | 2015-04-01 | 2015-07-29 | 深圳市金立通信设备有限公司 | 一种喇叭类型的检测装置 |
CN105823644A (zh) * | 2016-03-22 | 2016-08-03 | 中国石油大学(华东) | 沉垫收、发油和保温加热系统实验模型、实验方法及应用 |
EP3270025A1 (de) * | 2016-07-14 | 2018-01-17 | Masterflex SE | Schlauchleitung für den transport abrasiver medien sowie verfahren und vorrichtung zu deren herstellung |
FR3066272B1 (fr) * | 2017-05-12 | 2019-07-19 | Sasha Dabetic | Cable detecteur de liquides conducteurs et non conducteurs |
DE102017212460B4 (de) * | 2017-07-20 | 2019-07-11 | Leoni Kabel Gmbh | Sensorleitung |
US11435252B2 (en) | 2018-05-01 | 2022-09-06 | Baker Hughes, A Ge Company, Llc | Gas sensor system |
US10697846B2 (en) * | 2018-05-04 | 2020-06-30 | Ademco Inc. | Capacitive leak and flammable vapor detection system |
CN110873293B (zh) * | 2018-09-04 | 2021-08-06 | 中国石油化工股份有限公司 | 一种管道防腐层破损点脉冲定距系统及方法 |
KR102176165B1 (ko) * | 2020-02-04 | 2020-11-09 | 성백명 | 케이블형 누액감지센서 |
US11788917B2 (en) * | 2020-05-14 | 2023-10-17 | Raymond & Lae Engineering, Inc. | Hydrocarbon leak detection cable |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB972847A (en) * | 1962-01-20 | 1964-10-21 | Kieler Howaldtswerke Ag | Fault-finding method for coil-loaded cables |
US3564526A (en) * | 1966-12-23 | 1971-02-16 | Butts Ernest Otto | Pipeline leak detection device |
US3510762A (en) * | 1967-04-14 | 1970-05-05 | John Robert Alexander Leslie | Electrical cable temperature monitoring and hot-spot locating system and method utilizing a transmission line having a liquid dielectric |
US3553341A (en) * | 1967-05-18 | 1971-01-05 | Gen Alimentaire | Electric cable with grounding means |
US3600674A (en) * | 1969-04-02 | 1971-08-17 | Chevron Res | Method of determining leaks from buried pipelines using a time-sharing transmission line |
US3727128A (en) * | 1971-08-09 | 1973-04-10 | Ferrin M Mc | Tdr cable fault location |
US3800217A (en) * | 1971-09-23 | 1974-03-26 | Lowrance Electronics Mfg | Pipeline including means of indicating the existence of and location of a leak |
JPS4952689A (US07321065-20080122-C00160.png) * | 1972-09-19 | 1974-05-22 | ||
JPS5353504Y2 (US07321065-20080122-C00160.png) * | 1972-11-08 | 1978-12-21 | ||
JPS5415435B2 (US07321065-20080122-C00160.png) * | 1974-07-13 | 1979-06-14 |
-
1974
- 1974-10-08 JP JP49115944A patent/JPS581379B2/ja not_active Expired
-
1975
- 1975-03-20 FR FR7508779A patent/FR2287646A1/fr active Granted
- 1975-03-21 GB GB11952/75A patent/GB1498053A/en not_active Expired
- 1975-03-25 DE DE2513223A patent/DE2513223C3/de not_active Expired
- 1975-03-28 SU SU752124683A patent/SU641887A3/ru active
- 1975-04-04 US US05/565,221 patent/US4029889A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1498053A (en) | 1978-01-18 |
FR2287646A1 (fr) | 1976-05-07 |
US4029889A (en) | 1977-06-14 |
JPS51112392A (en) | 1976-10-04 |
FR2287646B1 (US07321065-20080122-C00160.png) | 1977-11-25 |
JPS581379B2 (ja) | 1983-01-11 |
DE2513223A1 (de) | 1976-04-15 |
SU641887A3 (ru) | 1979-01-05 |
DE2513223B2 (de) | 1978-07-27 |
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