JPS61106692U - - Google Patents

Info

Publication number
JPS61106692U
JPS61106692U JP19084584U JP19084584U JPS61106692U JP S61106692 U JPS61106692 U JP S61106692U JP 19084584 U JP19084584 U JP 19084584U JP 19084584 U JP19084584 U JP 19084584U JP S61106692 U JPS61106692 U JP S61106692U
Authority
JP
Japan
Prior art keywords
exploration
pipe
main body
annular body
sensor
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
JP19084584U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0413649Y2 (
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 filed Critical
Priority to JP1984190845U priority Critical patent/JPH0413649Y2/ja
Publication of JPS61106692U publication Critical patent/JPS61106692U/ja
Application granted granted Critical
Publication of JPH0413649Y2 publication Critical patent/JPH0413649Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Pipeline Systems (AREA)
JP1984190845U 1984-12-18 1984-12-18 Expired JPH0413649Y2 ( )

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984190845U JPH0413649Y2 ( ) 1984-12-18 1984-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984190845U JPH0413649Y2 ( ) 1984-12-18 1984-12-18

Publications (2)

Publication Number Publication Date
JPS61106692U true JPS61106692U ( ) 1986-07-07
JPH0413649Y2 JPH0413649Y2 ( ) 1992-03-30

Family

ID=30748297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984190845U Expired JPH0413649Y2 ( ) 1984-12-18 1984-12-18

Country Status (1)

Country Link
JP (1) JPH0413649Y2 ( )

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4956395U ( ) * 1972-08-30 1974-05-18
JPS56142361U ( ) * 1980-03-24 1981-10-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4956395U ( ) * 1972-08-30 1974-05-18
JPS56142361U ( ) * 1980-03-24 1981-10-27

Also Published As

Publication number Publication date
JPH0413649Y2 ( ) 1992-03-30

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