CA944032A - Water alarm and fault-locating for air core plastic-insulated telephone cable - Google Patents

Water alarm and fault-locating for air core plastic-insulated telephone cable

Info

Publication number
CA944032A
CA944032A CA118,086A CA118086A CA944032A CA 944032 A CA944032 A CA 944032A CA 118086 A CA118086 A CA 118086A CA 944032 A CA944032 A CA 944032A
Authority
CA
Canada
Prior art keywords
fault
locating
air core
telephone cable
core plastic
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
Application number
CA118,086A
Other versions
CA118086S (en
Inventor
Wendell G. Nutt
George F. Deveau (Jr.)
George H. Webster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA944032A publication Critical patent/CA944032A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
    • H01B7/322—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising humidity sensing means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
CA118,086A 1971-01-04 1971-07-13 Water alarm and fault-locating for air core plastic-insulated telephone cable Expired CA944032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10350171A 1971-01-04 1971-01-04

Publications (1)

Publication Number Publication Date
CA944032A true CA944032A (en) 1974-03-19

Family

ID=22295534

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,086A Expired CA944032A (en) 1971-01-04 1971-07-13 Water alarm and fault-locating for air core plastic-insulated telephone cable

Country Status (2)

Country Link
US (1) US3662367A (en)
CA (1) CA944032A (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS645241Y2 (en) * 1980-12-03 1989-02-09
US5015958A (en) * 1983-06-30 1991-05-14 Raychem Corporation Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors
US5382909A (en) * 1983-06-30 1995-01-17 Raychem Corporation Method for detecting and obtaining information about changes in variables
SE8404434D0 (en) * 1984-09-05 1984-09-05 Nitto Scandinavia Ab DEVICE FOR INDICATING WATER leaks in a pre-insulated pipeline
SE443928B (en) * 1984-09-06 1986-03-17 Klas Jakobsson GAS-MEDIUM CLEANING FILTER
AU601369B2 (en) * 1985-06-12 1990-09-13 Raychem Corporation Hydrocarbon sensor
US5077526A (en) * 1988-03-30 1991-12-31 Automated Light Technologies, Inc. Cable failure detection system
US5008650A (en) * 1989-09-21 1991-04-16 Hoiberg Dane A Leak damage prevention system
US5361030A (en) * 1990-10-22 1994-11-01 Horiba, Ltd. Leak detector for electro-magnetic induction-type conductivity meter
US5168240A (en) * 1991-08-12 1992-12-01 Simmonds Precision Products, Inc. Capacitive fluid presence detector for gas pipe using an excited wire loop
US5459284A (en) * 1993-08-31 1995-10-17 Motorola, Inc. Twisted-pair wire bond and method thereof
US5770820A (en) * 1995-03-15 1998-06-23 Belden Wire & Cable Co Plenum cable
US7081759B2 (en) * 2003-12-01 2006-07-25 Raymond & Lae Engineering, Inc. Fluid detection cable
JP5264175B2 (en) * 2004-11-15 2013-08-14 ベルデン・シーディーティー・（カナダ）・インコーポレーテッド High performance communication cable, spline used for communication cable, and method for suppressing crosstalk between adjacent cables in communication system
US7327132B2 (en) * 2005-08-15 2008-02-05 University Of Denver Testing procedure for evaluating diffusion and leakage currents in insulators
US8063309B2 (en) 2008-06-06 2011-11-22 Raymond & Lae Engineering, Inc. Twisted leak detection cable
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
DE102011077967A1 (en) * 2011-06-22 2012-12-27 Wacker Chemie Ag Electrode and method for powering a reactor
CZ306265B6 (en) * 2015-12-08 2016-11-02 Kovaz S.R.O. Electric cable for detection of liquid presence
RU2662252C1 (en) * 2017-06-14 2018-07-25 Общество с ограниченной ответственностью "ИНЖИМАТИК" Electric conductivity liquids leakage sensor
DE102017221821A1 (en) * 2017-12-04 2019-06-06 Airbus Defence and Space GmbH Measuring arrangement for measuring process and structural parameters of a fiber composite material along a measuring path

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1139486A (en) * 1912-10-30 1915-05-18 John A Riggs Indicator.
US1765515A (en) * 1929-03-19 1930-06-24 Western Electric Co Coated core and method of and apparatus for applying the coating thereto
US2049321A (en) * 1934-12-29 1936-07-28 Chas M Broun Protection device
US2185944A (en) * 1939-05-26 1940-01-02 Holmes Willis Gerald Fire-detecting cable
US3382493A (en) * 1964-11-04 1968-05-07 Thermal Conduits Inc Underground pipe insulation liquid-detector

Also Published As

Publication number Publication date
US3662367A (en) 1972-05-09

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