JPH0344643B2 - - Google Patents

Info

Publication number
JPH0344643B2
JPH0344643B2 JP60078125A JP7812585A JPH0344643B2 JP H0344643 B2 JPH0344643 B2 JP H0344643B2 JP 60078125 A JP60078125 A JP 60078125A JP 7812585 A JP7812585 A JP 7812585A JP H0344643 B2 JPH0344643 B2 JP H0344643B2
Authority
JP
Japan
Prior art keywords
pipe
frequency
tube
diameter
inner diameter
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
JP60078125A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61235712A (ja
Inventor
Yoshinori Murakami
Kensaku Imaichi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP60078125A priority Critical patent/JPS61235712A/ja
Publication of JPS61235712A publication Critical patent/JPS61235712A/ja
Publication of JPH0344643B2 publication Critical patent/JPH0344643B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Pipeline Systems (AREA)
JP60078125A 1985-04-11 1985-04-11 管の内径等の測定方法 Granted JPS61235712A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60078125A JPS61235712A (ja) 1985-04-11 1985-04-11 管の内径等の測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60078125A JPS61235712A (ja) 1985-04-11 1985-04-11 管の内径等の測定方法

Publications (2)

Publication Number Publication Date
JPS61235712A JPS61235712A (ja) 1986-10-21
JPH0344643B2 true JPH0344643B2 (enExample) 1991-07-08

Family

ID=13653158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60078125A Granted JPS61235712A (ja) 1985-04-11 1985-04-11 管の内径等の測定方法

Country Status (1)

Country Link
JP (1) JPS61235712A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2281393B (en) * 1993-06-15 1996-11-06 Univ East London Gas acoustic probe
US7095482B2 (en) 2001-03-27 2006-08-22 Nikon Corporation Multiple system vibration isolator
JP4581981B2 (ja) * 2005-11-29 2010-11-17 三菱自動車工業株式会社 品質検査装置
EP2120317A1 (en) * 2008-05-14 2009-11-18 ABB Research LTD A method and a device for determining the mechanical resonant frequency of a vibration mode for a winding package of a transformer
WO2011007315A2 (en) * 2009-07-16 2011-01-20 Koninklijke Philips Electronics N.V. A system and method for measuring a resonance frequency of a tube
JP6207428B2 (ja) * 2014-03-04 2017-10-04 大阪瓦斯株式会社 超音波式音速測定装置及び超音波式音速測定方法
JP6850185B2 (ja) * 2017-04-14 2021-03-31 日立造船株式会社 空隙判定方法、空隙判定システム及び弾性波検出方法
JP2020165849A (ja) * 2019-03-29 2020-10-08 東京瓦斯株式会社 管路診断システムおよび管路診断方法
RU2757473C1 (ru) * 2021-02-19 2021-10-18 Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук Устройство для измерения диаметра провода

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107110A (ja) * 1984-10-30 1986-05-26 Mitsubishi Heavy Ind Ltd 管内面付着量推定方法

Also Published As

Publication number Publication date
JPS61235712A (ja) 1986-10-21

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