CA2292009A1 - Localisation des defauts dans les canalisations souterraines - Google Patents

Localisation des defauts dans les canalisations souterraines Download PDF

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Publication number
CA2292009A1
CA2292009A1 CA002292009A CA2292009A CA2292009A1 CA 2292009 A1 CA2292009 A1 CA 2292009A1 CA 002292009 A CA002292009 A CA 002292009A CA 2292009 A CA2292009 A CA 2292009A CA 2292009 A1 CA2292009 A1 CA 2292009A1
Authority
CA
Canada
Prior art keywords
conduit
sensors
pair
vibration
imposed
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.)
Granted
Application number
CA002292009A
Other languages
English (en)
Other versions
CA2292009C (fr
Inventor
Anthony Peter Russo
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
Individual
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
Priority claimed from US08/336,452 external-priority patent/US5531099A/en
Application filed by Individual filed Critical Individual
Publication of CA2292009A1 publication Critical patent/CA2292009A1/fr
Application granted granted Critical
Publication of CA2292009C publication Critical patent/CA2292009C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Examining Or Testing Airtightness (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Volume Flow (AREA)
CA002292009A 1994-11-09 1995-09-20 Localisation des defauts dans les canalisations souterraines Expired - Lifetime CA2292009C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/336,452 US5531099A (en) 1994-11-09 1994-11-09 Underground conduit defect localization
US336,452 1994-11-09
CA002158669A CA2158669C (fr) 1994-11-09 1995-09-20 Localisation des defauts dans les canalisations souterraines

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002158669A Division CA2158669C (fr) 1994-11-09 1995-09-20 Localisation des defauts dans les canalisations souterraines

Publications (2)

Publication Number Publication Date
CA2292009A1 true CA2292009A1 (fr) 1996-05-10
CA2292009C CA2292009C (fr) 2002-08-06

Family

ID=25678151

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002292009A Expired - Lifetime CA2292009C (fr) 1994-11-09 1995-09-20 Localisation des defauts dans les canalisations souterraines

Country Status (1)

Country Link
CA (1) CA2292009C (fr)

Also Published As

Publication number Publication date
CA2292009C (fr) 2002-08-06

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Effective date: 20150921