CA2415067C - Racleur de detection d'obstructions dans une canalisation - Google Patents

Racleur de detection d'obstructions dans une canalisation Download PDF

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Publication number
CA2415067C
CA2415067C CA 2415067 CA2415067A CA2415067C CA 2415067 C CA2415067 C CA 2415067C CA 2415067 CA2415067 CA 2415067 CA 2415067 A CA2415067 A CA 2415067A CA 2415067 C CA2415067 C CA 2415067C
Authority
CA
Canada
Prior art keywords
detector
pipeline
disc
signal
face
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 - Fee Related
Application number
CA 2415067
Other languages
English (en)
Other versions
CA2415067A1 (fr
Inventor
Donald D. Savard
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.)
Donsa Inc
Original Assignee
Donsa 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
Priority claimed from US10/269,520 external-priority patent/US6679129B2/en
Application filed by Donsa Inc filed Critical Donsa Inc
Publication of CA2415067A1 publication Critical patent/CA2415067A1/fr
Application granted granted Critical
Publication of CA2415067C publication Critical patent/CA2415067C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Pipeline Systems (AREA)
CA 2415067 2002-10-11 2002-12-23 Racleur de detection d'obstructions dans une canalisation Expired - Fee Related CA2415067C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/269,520 US6679129B2 (en) 1998-02-18 2002-10-11 Pig for detecting an obstruction in a pipeline
US10/269,520 2002-10-11

Publications (2)

Publication Number Publication Date
CA2415067A1 CA2415067A1 (fr) 2004-04-11
CA2415067C true CA2415067C (fr) 2011-09-06

Family

ID=32467696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2415067 Expired - Fee Related CA2415067C (fr) 2002-10-11 2002-12-23 Racleur de detection d'obstructions dans une canalisation

Country Status (1)

Country Link
CA (1) CA2415067C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110735994A (zh) * 2019-10-25 2020-01-31 浙江越新检测技术有限公司 一种可调节履带式管道内漏磁检测装置
CN110778791A (zh) * 2019-11-05 2020-02-11 成秀东 一种地下管道敷设装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105486268B (zh) * 2016-01-21 2018-06-12 核工业理化工程研究院 薄壁圆形工件几何量尺寸测量具
CN113418444B (zh) * 2021-07-05 2022-11-01 新余学院 一种深度探测非开挖深埋地下管线装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110735994A (zh) * 2019-10-25 2020-01-31 浙江越新检测技术有限公司 一种可调节履带式管道内漏磁检测装置
CN110778791A (zh) * 2019-11-05 2020-02-11 成秀东 一种地下管道敷设装置

Also Published As

Publication number Publication date
CA2415067A1 (fr) 2004-04-11

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Legal Events

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EEER Examination request
MKLA Lapsed

Effective date: 20191223