NO136772B - - Google Patents

Download PDF

Info

Publication number
NO136772B
NO136772B NO1815/73A NO181573A NO136772B NO 136772 B NO136772 B NO 136772B NO 1815/73 A NO1815/73 A NO 1815/73A NO 181573 A NO181573 A NO 181573A NO 136772 B NO136772 B NO 136772B
Authority
NO
Norway
Prior art keywords
pressure
cable
location
jacket
accordance
Prior art date
Application number
NO1815/73A
Other languages
English (en)
Norwegian (no)
Other versions
NO136772C (no
Inventor
J Pritchett
Original Assignee
Post Office
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Post Office filed Critical Post Office
Publication of NO136772B publication Critical patent/NO136772B/no
Publication of NO136772C publication Critical patent/NO136772C/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/181Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for cables
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2838Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/06Gas-pressure cables; Oil-pressure cables; Cables for use in conduits under fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Insulated Conductors (AREA)
  • Communication Cables (AREA)
  • Gas Or Oil Filled Cable Accessories (AREA)
NO1815/73A 1972-05-05 1973-05-03 Fremgangsm}te og anordning for bestemmelse av beliggenheten av en lokal lekkasje i en fluidumfylt kabel NO136772C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2113172A GB1387279A (en) 1972-05-05 1972-05-05 Fluid filled cable

Publications (2)

Publication Number Publication Date
NO136772B true NO136772B (el) 1977-07-25
NO136772C NO136772C (no) 1977-11-02

Family

ID=10157730

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1815/73A NO136772C (no) 1972-05-05 1973-05-03 Fremgangsm}te og anordning for bestemmelse av beliggenheten av en lokal lekkasje i en fluidumfylt kabel

Country Status (13)

Country Link
US (1) US3865967A (el)
JP (1) JPS5335263B2 (el)
AU (1) AU467015B2 (el)
BE (1) BE798962A (el)
CA (1) CA973265A (el)
DE (1) DE2322085A1 (el)
ES (1) ES414267A1 (el)
FR (1) FR2183832B1 (el)
GB (1) GB1387279A (el)
IT (1) IT985852B (el)
NL (1) NL7306203A (el)
NO (1) NO136772C (el)
SE (1) SE390071B (el)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006364B1 (en) * 1978-06-20 1983-08-17 BICC Public Limited Company An improved optical cable
JPS61174433A (ja) * 1985-01-25 1986-08-06 Toyoda Autom Loom Works Ltd 紡機のロ−ラパ−ト清掃装置
EP0233302B1 (de) * 1986-02-17 1990-08-08 Hydrotechnik GmbH Fluidisches System mit Messvorrichtung
US4764232A (en) * 1986-09-26 1988-08-16 Raychem Corporation Method of protecting a cable splice with a splice closure having pressure measuring means
US4859024A (en) * 1988-03-10 1989-08-22 Pirelli Cable Corporation Optical fiber cable with tampering detecting means
US5604298A (en) * 1995-12-07 1997-02-18 In Usa, Inc. Gas measurement system
EP2959491B1 (en) * 2013-02-25 2017-09-13 Prysmian S.p.A. Fire resistant and flame retardant cable system
US20140298894A1 (en) * 2013-04-09 2014-10-09 Schlumberger Technology Corporation Line pressure testing technique
US11728633B2 (en) 2015-02-20 2023-08-15 Clifton Royston Ignition suppression circuiting technology
EP3259766B1 (en) * 2015-02-20 2021-10-20 Royston, Clifton Ignition suppression circuiting technology
DE102015017248B4 (de) 2015-11-19 2023-10-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Elektrisches Ladekabel für ein Kraftfahrzeug
CN110242799B (zh) * 2019-05-05 2020-12-04 上海信立生态环境工程有限公司 一种应用于非开挖钻机拖拉管的维修施工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803692A (en) * 1957-08-20 Fluid
US2255832A (en) * 1939-08-02 1941-09-16 Anaconda Wire & Cable Co Impregnated electric cable
US2326557A (en) * 1941-09-13 1943-08-10 American Steel & Wire Co Electric cable
US2433505A (en) * 1944-09-21 1947-12-30 Okonite Callender Cable Co Inc Means for locating electrical faults in electric cable systems
US3086069A (en) * 1960-04-01 1963-04-16 Anaconda Wire & Cable Co Leakage monitoring means for electric power cables

Also Published As

Publication number Publication date
US3865967A (en) 1975-02-11
SE390071B (sv) 1976-11-29
AU5503673A (en) 1974-11-07
FR2183832B1 (el) 1978-08-04
ES414267A1 (es) 1976-05-01
GB1387279A (en) 1975-03-12
JPS4954876A (el) 1974-05-28
BE798962A (fr) 1973-08-16
NL7306203A (el) 1973-11-07
DE2322085A1 (de) 1973-11-15
AU467015B2 (en) 1975-11-13
IT985852B (it) 1974-12-20
CA973265A (en) 1975-08-19
JPS5335263B2 (el) 1978-09-26
NO136772C (no) 1977-11-02
FR2183832A1 (el) 1973-12-21

Similar Documents

Publication Publication Date Title
NO136772B (el)
US6265880B1 (en) Apparatus and method for detecting conduit chafing
US4029889A (en) Fluid-leak detector cable
US4859024A (en) Optical fiber cable with tampering detecting means
US5203202A (en) Apparatus for detecting leaks in circuits
GB1215308A (en) Improvements in leak detection devices for pipelines
BR112016009632B1 (pt) Equipamento de duto e método de detecção de defeitos no interior de um corpo de tubo flexível através do dito equipamento de duto
DE2434914A1 (de) Kabel zur bestimmung von lecks
NO171133B (no) Transduseranordning for trykkboelger, og fremgangsmaate forfremstilling av slik transduseranordning
US2803692A (en) Fluid
US2449271A (en) Joint structure for cables
CN112530629A (zh) 海底光电缆
US2151092A (en) Electric cable system
EP0824204A1 (de) Rohrleitungssystem, insbesondere für die Übertragung von Fernwärme
US2040285A (en) Method of measuring fluid pressure
CN206833970U (zh) 一种具有防护铜带的低压电力电缆
US2433505A (en) Means for locating electrical faults in electric cable systems
DE3232211A1 (de) Mediumtransportleitung
CN207909571U (zh) 一种具有防护铜带的中压电力电缆
US2432013A (en) Measurement of leakage resistance in electrolytic cell systems
US3075380A (en) Means for detecting and localizing oil leakages in electric cables
JP2016139537A (ja) 超電導ケーブル用断熱管、及び超電導ケーブル
WO2014209859A1 (en) Well conductor strain monitoring
JPS58187829A (ja) パイプライン監視方式
SU1730544A1 (ru) Устройство дл определени места течи в изолированном трубопроводе