JPS56138233A - Leak detection device - Google Patents

Leak detection device

Info

Publication number
JPS56138233A
JPS56138233A JP4210480A JP4210480A JPS56138233A JP S56138233 A JPS56138233 A JP S56138233A JP 4210480 A JP4210480 A JP 4210480A JP 4210480 A JP4210480 A JP 4210480A JP S56138233 A JPS56138233 A JP S56138233A
Authority
JP
Japan
Prior art keywords
detector
leak
main pipe
terminals
outlet
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.)
Pending
Application number
JP4210480A
Other languages
English (en)
Inventor
Momokichi Abe
Kazuyuki Kaneko
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.)
Tokyo Keiso Co Ltd
Original Assignee
Tokyo Keiso 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 Tokyo Keiso Co Ltd filed Critical Tokyo Keiso Co Ltd
Priority to JP4210480A priority Critical patent/JPS56138233A/ja
Publication of JPS56138233A publication Critical patent/JPS56138233A/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Examining Or Testing Airtightness (AREA)
JP4210480A 1980-03-31 1980-03-31 Leak detection device Pending JPS56138233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4210480A JPS56138233A (en) 1980-03-31 1980-03-31 Leak detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4210480A JPS56138233A (en) 1980-03-31 1980-03-31 Leak detection device

Publications (1)

Publication Number Publication Date
JPS56138233A true JPS56138233A (en) 1981-10-28

Family

ID=12626660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4210480A Pending JPS56138233A (en) 1980-03-31 1980-03-31 Leak detection device

Country Status (1)

Country Link
JP (1) JPS56138233A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423589A (en) * 1977-07-22 1979-02-22 Buichi Kawamura Fluid leakage detecting and preventing instrument

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423589A (en) * 1977-07-22 1979-02-22 Buichi Kawamura Fluid leakage detecting and preventing instrument

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