CA2292009C - Localisation des defauts dans les canalisations souterraines - Google Patents

Localisation des defauts dans les canalisations souterraines Download PDF

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Publication number
CA2292009C
CA2292009C CA002292009A CA2292009A CA2292009C CA 2292009 C CA2292009 C CA 2292009C CA 002292009 A CA002292009 A CA 002292009A CA 2292009 A CA2292009 A CA 2292009A CA 2292009 C CA2292009 C CA 2292009C
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CA
Canada
Prior art keywords
conduit
sensors
vibration
pair
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.)
Expired - Lifetime
Application number
CA002292009A
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English (en)
Other versions
CA2292009A1 (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
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
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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  • Geophysics And Detection Of Objects (AREA)
  • Measuring Volume Flow (AREA)
  • Examining Or Testing Airtightness (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
US336,452 1994-11-09
US08/336,452 US5531099A (en) 1994-11-09 1994-11-09 Underground conduit defect localization
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 CA2292009A1 (fr) 1996-05-10
CA2292009C true 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
CA2292009A1 (fr) 1996-05-10

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