JPS6335382Y2 - - Google Patents

Info

Publication number
JPS6335382Y2
JPS6335382Y2 JP1981070796U JP7079681U JPS6335382Y2 JP S6335382 Y2 JPS6335382 Y2 JP S6335382Y2 JP 1981070796 U JP1981070796 U JP 1981070796U JP 7079681 U JP7079681 U JP 7079681U JP S6335382 Y2 JPS6335382 Y2 JP S6335382Y2
Authority
JP
Japan
Prior art keywords
metal pipe
outer periphery
piezo
center electrode
conductive paint
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
Application number
JP1981070796U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57183558U (en:Method
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 JP1981070796U priority Critical patent/JPS6335382Y2/ja
Publication of JPS57183558U publication Critical patent/JPS57183558U/ja
Application granted granted Critical
Publication of JPS6335382Y2 publication Critical patent/JPS6335382Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP1981070796U 1981-05-16 1981-05-16 Expired JPS6335382Y2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981070796U JPS6335382Y2 (en:Method) 1981-05-16 1981-05-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981070796U JPS6335382Y2 (en:Method) 1981-05-16 1981-05-16

Publications (2)

Publication Number Publication Date
JPS57183558U JPS57183558U (en:Method) 1982-11-20
JPS6335382Y2 true JPS6335382Y2 (en:Method) 1988-09-20

Family

ID=29866603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981070796U Expired JPS6335382Y2 (en:Method) 1981-05-16 1981-05-16

Country Status (1)

Country Link
JP (1) JPS6335382Y2 (en:Method)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6122114B2 (en:Method) * 1974-01-23 1986-05-30 Kajima Corp
JPS53133074A (en) * 1977-04-26 1978-11-20 Toshiba Corp Acoustic detecting device
JPS5854683Y2 (ja) * 1977-09-19 1983-12-13 日本特殊陶業株式会社 可撓性音響測定子
JPS5847560B2 (ja) * 1978-09-29 1983-10-22 株式会社大林組 起泡剤を使用した土圧シ−ルド掘進方法
JPS594037B2 (ja) * 1979-04-12 1984-01-27 日本電信電話株式会社 機械掘りシ−ルド

Also Published As

Publication number Publication date
JPS57183558U (en:Method) 1982-11-20

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