JPS4845285A - - Google Patents

Info

Publication number
JPS4845285A
JPS4845285A JP7603172A JP7603172A JPS4845285A JP S4845285 A JPS4845285 A JP S4845285A JP 7603172 A JP7603172 A JP 7603172A JP 7603172 A JP7603172 A JP 7603172A JP S4845285 A JPS4845285 A JP S4845285A
Authority
JP
Japan
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
JP7603172A
Other languages
Japanese (ja)
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
Publication of JPS4845285A publication Critical patent/JPS4845285A/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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • 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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/165—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means by means of cables or similar elongated devices, e.g. tapes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP7603172A 1971-10-04 1972-07-31 Pending JPS4845285A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1443871A CH580279A5 (zh) 1971-10-04 1971-10-04

Publications (1)

Publication Number Publication Date
JPS4845285A true JPS4845285A (zh) 1973-06-28

Family

ID=4400830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7603172A Pending JPS4845285A (zh) 1971-10-04 1972-07-31

Country Status (4)

Country Link
JP (1) JPS4845285A (zh)
AT (1) AT322507B (zh)
CH (1) CH580279A5 (zh)
DE (1) DE2234239A1 (zh)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4996796A (zh) * 1972-10-23 1974-09-12
JPS51112567U (zh) * 1975-03-08 1976-09-11
JPS51112586U (zh) * 1975-03-08 1976-09-11
JPS53145697A (en) * 1977-05-25 1978-12-19 Junkosha Co Ltd Fluid sensor element
JPS54135598A (en) * 1978-03-28 1979-10-20 Bethlehem Steel Corp Method and device for measuring and controlling quantity of carbon deposited in coke oven
JPS55181540U (zh) * 1980-06-18 1980-12-26
JPS56119836A (en) * 1980-06-19 1981-09-19 Shinkosumosu Denki Kk Measuring method for minute quantity of oil content in water

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230631B (en) * 1989-04-04 1993-03-03 Gore & Ass A solvent responsive signal-carrying device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4996796A (zh) * 1972-10-23 1974-09-12
JPS51112567U (zh) * 1975-03-08 1976-09-11
JPS51112586U (zh) * 1975-03-08 1976-09-11
JPS53145697A (en) * 1977-05-25 1978-12-19 Junkosha Co Ltd Fluid sensor element
JPS5947256B2 (ja) * 1977-05-25 1984-11-17 株式会社潤工社 流体検知素子
JPS54135598A (en) * 1978-03-28 1979-10-20 Bethlehem Steel Corp Method and device for measuring and controlling quantity of carbon deposited in coke oven
JPS6245276B2 (zh) * 1978-03-28 1987-09-25 Bethlehem Steel Corp
JPS55181540U (zh) * 1980-06-18 1980-12-26
JPS56119836A (en) * 1980-06-19 1981-09-19 Shinkosumosu Denki Kk Measuring method for minute quantity of oil content in water

Also Published As

Publication number Publication date
CH580279A5 (zh) 1976-09-30
AT322507B (de) 1975-05-26
DE2234239A1 (de) 1973-04-12

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