DE69526213D1 - Verfahren und vorrichtung zur inspektion eines rohres mit elektromagnetischer strahlung - Google Patents

Verfahren und vorrichtung zur inspektion eines rohres mit elektromagnetischer strahlung

Info

Publication number
DE69526213D1
DE69526213D1 DE69526213T DE69526213T DE69526213D1 DE 69526213 D1 DE69526213 D1 DE 69526213D1 DE 69526213 T DE69526213 T DE 69526213T DE 69526213 T DE69526213 T DE 69526213T DE 69526213 D1 DE69526213 D1 DE 69526213D1
Authority
DE
Germany
Prior art keywords
inspecting
tube
electromagnetic radiation
electromagnetic
radiation
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
DE69526213T
Other languages
English (en)
Other versions
DE69526213T2 (de
Inventor
Kiichi Suyama
Takashi Imaoka
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.)
Tokyo Gas Co Ltd
Original Assignee
Tokyo Gas Co Ltd
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 JP6313499A external-priority patent/JPH08166316A/ja
Priority claimed from JP6313498A external-priority patent/JPH08166228A/ja
Priority claimed from JP17918595A external-priority patent/JPH0933379A/ja
Priority claimed from JP17918495A external-priority patent/JPH0933378A/ja
Priority claimed from JP17918395A external-priority patent/JPH0933377A/ja
Priority claimed from JP19273595A external-priority patent/JPH0943166A/ja
Priority claimed from JP21146495A external-priority patent/JPH0961376A/ja
Priority claimed from JP21146595A external-priority patent/JPH0961377A/ja
Application filed by Tokyo Gas Co Ltd filed Critical Tokyo Gas Co Ltd
Publication of DE69526213D1 publication Critical patent/DE69526213D1/de
Application granted granted Critical
Publication of DE69526213T2 publication Critical patent/DE69526213T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/02—Investigating the presence of flaws

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Examining Or Testing Airtightness (AREA)
DE69526213T 1994-12-16 1995-12-18 Verfahren und vorrichtung zur inspektion eines rohres mit elektromagnetischer strahlung Expired - Fee Related DE69526213T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP6313498A JPH08166228A (ja) 1994-12-16 1994-12-16 管検査装置
JP6313499A JPH08166316A (ja) 1994-12-16 1994-12-16 管検査装置
JP17918395A JPH0933377A (ja) 1995-07-14 1995-07-14 電磁波による管の検査方法
JP17918495A JPH0933378A (ja) 1995-07-14 1995-07-14 電磁波による管の検査方法
JP17918595A JPH0933379A (ja) 1995-07-14 1995-07-14 電磁波による管の検査方法
JP19273595A JPH0943166A (ja) 1995-07-28 1995-07-28 電磁波を利用した管の漏洩個所検出における電磁波の励振方法
JP21146495A JPH0961376A (ja) 1995-08-21 1995-08-21 電磁波による埋設金属管の継手位置検知方法及び電磁波による金属管の継手検査方法
JP21146595A JPH0961377A (ja) 1995-08-21 1995-08-21 電磁波による埋設金属管の検査方法
PCT/JP1995/002604 WO1996018884A1 (fr) 1994-12-16 1995-12-18 Inspection electromagnetique d'elements de canalisations

Publications (2)

Publication Number Publication Date
DE69526213D1 true DE69526213D1 (de) 2002-05-08
DE69526213T2 DE69526213T2 (de) 2002-12-19

Family

ID=27573346

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526213T Expired - Fee Related DE69526213T2 (de) 1994-12-16 1995-12-18 Verfahren und vorrichtung zur inspektion eines rohres mit elektromagnetischer strahlung

Country Status (7)

Country Link
US (4) US6008657A (de)
EP (1) EP0745841B1 (de)
KR (1) KR100233954B1 (de)
CN (3) CN1108521C (de)
CA (1) CA2180857C (de)
DE (1) DE69526213T2 (de)
WO (1) WO1996018884A1 (de)

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Also Published As

Publication number Publication date
CN1141673A (zh) 1997-01-29
KR970701345A (ko) 1997-03-17
CN1108521C (zh) 2003-05-14
US5990690A (en) 1999-11-23
KR100233954B1 (ko) 1999-12-15
EP0745841A4 (de) 1998-04-29
CN1431486A (zh) 2003-07-23
DE69526213T2 (de) 2002-12-19
US5966016A (en) 1999-10-12
EP0745841A1 (de) 1996-12-04
CA2180857C (en) 2000-02-15
CA2180857A1 (en) 1996-06-20
EP0745841B1 (de) 2002-04-03
US5963042A (en) 1999-10-05
CN1431487A (zh) 2003-07-23
US6008657A (en) 1999-12-28
WO1996018884A1 (fr) 1996-06-20

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