JPS5560812A - Ultrasonic measurement - Google Patents

Ultrasonic measurement

Info

Publication number
JPS5560812A
JPS5560812A JP13614578A JP13614578A JPS5560812A JP S5560812 A JPS5560812 A JP S5560812A JP 13614578 A JP13614578 A JP 13614578A JP 13614578 A JP13614578 A JP 13614578A JP S5560812 A JPS5560812 A JP S5560812A
Authority
JP
Japan
Prior art keywords
piping
ultrasonic wave
length
measured
given
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
JP13614578A
Other languages
Japanese (ja)
Other versions
JPS5838722B2 (en
Inventor
Akio Kono
Torata Murakami
Masayoshi Wataya
Shigeki Hirano
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka 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
Application filed by Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP53136145A priority Critical patent/JPS5838722B2/en
Publication of JPS5560812A publication Critical patent/JPS5560812A/en
Publication of JPS5838722B2 publication Critical patent/JPS5838722B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)

Abstract

PURPOSE: To measure the length correctly, easily and rapidly by measuring the double propagation time required until the ultrasonic wave returns after the reflection at the end of a measured body with an ultrasonic wave probe located on the measuring line of a measured body at given intervals.
CONSTITUTION: When a length X by which the end of a piping 2 is inserted into the inside of a dresser joint 1 is to be measured, an ultrasonic wave oblique angle probe 3 is located at two positions with a given interval l in the length measuring direction on the surface of the piping 2. The ultrasonic wave is projected into the piping material in the length measuring direction at these positions with a given angle of refraction α, the reflection wave is received from a piping end 4 and the double propagation times t1, t2 are measured. By the measured results of the double propagation times t1, t2 and the location of the ultrasonic wave oblique angle probe 3, the inserted length X can be calculated correctly, easily and speedily without knowing the sound velocity relating with the condition of the field where the piping is installed.
COPYRIGHT: (C)1980,JPO&Japio
JP53136145A 1978-10-31 1978-10-31 Piping penetration length measurement method Expired JPS5838722B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53136145A JPS5838722B2 (en) 1978-10-31 1978-10-31 Piping penetration length measurement method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53136145A JPS5838722B2 (en) 1978-10-31 1978-10-31 Piping penetration length measurement method

Publications (2)

Publication Number Publication Date
JPS5560812A true JPS5560812A (en) 1980-05-08
JPS5838722B2 JPS5838722B2 (en) 1983-08-25

Family

ID=15168351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53136145A Expired JPS5838722B2 (en) 1978-10-31 1978-10-31 Piping penetration length measurement method

Country Status (1)

Country Link
JP (1) JPS5838722B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5292742A (en) * 1976-01-31 1977-08-04 Mitsubishi Heavy Ind Ltd Measuring method for welding groove gap

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5292742A (en) * 1976-01-31 1977-08-04 Mitsubishi Heavy Ind Ltd Measuring method for welding groove gap

Also Published As

Publication number Publication date
JPS5838722B2 (en) 1983-08-25

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