JPS6251411B2 - - Google Patents

Info

Publication number
JPS6251411B2
JPS6251411B2 JP17456380A JP17456380A JPS6251411B2 JP S6251411 B2 JPS6251411 B2 JP S6251411B2 JP 17456380 A JP17456380 A JP 17456380A JP 17456380 A JP17456380 A JP 17456380A JP S6251411 B2 JPS6251411 B2 JP S6251411B2
Authority
JP
Japan
Prior art keywords
signal
time
clock
leak
pipeline
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
JP17456380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5798833A (en
Inventor
Koji Shimada
Junichi Kuroe
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP17456380A priority Critical patent/JPS5798833A/ja
Publication of JPS5798833A publication Critical patent/JPS5798833A/ja
Publication of JPS6251411B2 publication Critical patent/JPS6251411B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pipeline Systems (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Examining Or Testing Airtightness (AREA)
JP17456380A 1980-12-12 1980-12-12 Time calibrating device for clock device used in leakage detecting system in fluid transporting path Granted JPS5798833A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17456380A JPS5798833A (en) 1980-12-12 1980-12-12 Time calibrating device for clock device used in leakage detecting system in fluid transporting path

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17456380A JPS5798833A (en) 1980-12-12 1980-12-12 Time calibrating device for clock device used in leakage detecting system in fluid transporting path

Publications (2)

Publication Number Publication Date
JPS5798833A JPS5798833A (en) 1982-06-19
JPS6251411B2 true JPS6251411B2 (2) 1987-10-29

Family

ID=15980739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17456380A Granted JPS5798833A (en) 1980-12-12 1980-12-12 Time calibrating device for clock device used in leakage detecting system in fluid transporting path

Country Status (1)

Country Link
JP (1) JPS5798833A (2)

Also Published As

Publication number Publication date
JPS5798833A (en) 1982-06-19

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