DE60141025D1 - Vorrichtung und verfahren zum erkennen von defekten oder beschädigungen in abwasserleitungen - Google Patents

Vorrichtung und verfahren zum erkennen von defekten oder beschädigungen in abwasserleitungen

Info

Publication number
DE60141025D1
DE60141025D1 DE60141025T DE60141025T DE60141025D1 DE 60141025 D1 DE60141025 D1 DE 60141025D1 DE 60141025 T DE60141025 T DE 60141025T DE 60141025 T DE60141025 T DE 60141025T DE 60141025 D1 DE60141025 D1 DE 60141025D1
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DE
Germany
Prior art keywords
damage
detecting defects
wastewater lines
wastewater
lines
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
DE60141025T
Other languages
English (en)
Inventor
Hiromasa Shima
Kenzi Karasaki
David Thomas Iseley
Toru Goebuchi
Ko Sano
Hiroyuki Iinuma
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.)
Oyo Corp
Original Assignee
Oyo 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
Application filed by Oyo Corp filed Critical Oyo Corp
Application granted granted Critical
Publication of DE60141025D1 publication Critical patent/DE60141025D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • G01N2021/9542—Inspecting the inner surface of hollow bodies, e.g. bores using a probe
    • G01N2021/9544—Inspecting the inner surface of hollow bodies, e.g. bores using a probe with emitter and receiver on the probe

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE60141025T 2000-05-30 2001-05-30 Vorrichtung und verfahren zum erkennen von defekten oder beschädigungen in abwasserleitungen Expired - Lifetime DE60141025D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20778400P 2000-05-30 2000-05-30
PCT/US2001/017390 WO2001092852A1 (en) 2000-05-30 2001-05-30 Apparatus and method for detecting pipeline defects

Publications (1)

Publication Number Publication Date
DE60141025D1 true DE60141025D1 (de) 2010-02-25

Family

ID=22771992

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60141025T Expired - Lifetime DE60141025D1 (de) 2000-05-30 2001-05-30 Vorrichtung und verfahren zum erkennen von defekten oder beschädigungen in abwasserleitungen

Country Status (6)

Country Link
US (1) US7164476B2 (de)
EP (1) EP1305594B1 (de)
JP (1) JP2004509321A (de)
AU (1) AU2001269717A1 (de)
DE (1) DE60141025D1 (de)
WO (1) WO2001092852A1 (de)

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EP1305594B1 (de) 2010-01-06
US20040021858A1 (en) 2004-02-05
AU2001269717A1 (en) 2001-12-11
EP1305594A4 (de) 2005-06-29
WO2001092852A1 (en) 2001-12-06
JP2004509321A (ja) 2004-03-25
EP1305594A1 (de) 2003-05-02
US7164476B2 (en) 2007-01-16
WO2001092852A9 (en) 2009-07-23

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