CH580279A5 - - Google Patents

Info

Publication number
CH580279A5
CH580279A5 CH1443871A CH1443871A CH580279A5 CH 580279 A5 CH580279 A5 CH 580279A5 CH 1443871 A CH1443871 A CH 1443871A CH 1443871 A CH1443871 A CH 1443871A CH 580279 A5 CH580279 A5 CH 580279A5
Authority
CH
Switzerland
Application number
CH1443871A
Original Assignee
Foerderung Forschung Gmbh
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 Foerderung Forschung Gmbh filed Critical Foerderung Forschung Gmbh
Priority to CH1443871A priority Critical patent/CH580279A5/xx
Priority to DE19722234239 priority patent/DE2234239A1/en
Priority to AT595972A priority patent/AT322507B/en
Priority to JP7603172A priority patent/JPS4845285A/ja
Publication of CH580279A5 publication Critical patent/CH580279A5/xx

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
CH1443871A 1971-10-04 1971-10-04 CH580279A5 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH1443871A CH580279A5 (en) 1971-10-04 1971-10-04
DE19722234239 DE2234239A1 (en) 1971-10-04 1972-07-12 Detector for oils in sand - using changes in electrical conductivity
AT595972A AT322507B (en) 1971-10-04 1972-07-12 INDICATOR FOR THE DETECTION OF LIQUID ALIPHATIC AND AROMATIC HYDROCARBONS AND THEIR HALOGEN AND SULFUR DERIVATIVES
JP7603172A JPS4845285A (en) 1971-10-04 1972-07-31

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH580279A5 true CH580279A5 (en) 1976-09-30

Family

ID=4400830

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL168940C (en) * 1972-10-23 1982-05-17 Perren Benno PROBE.
JPS51112567U (en) * 1975-03-08 1976-09-11
JPS51112586U (en) * 1975-03-08 1976-09-11
JPS5947256B2 (en) * 1977-05-25 1984-11-17 株式会社潤工社 Fluid sensing element
US4158610A (en) * 1978-03-28 1979-06-19 Bethlehem Steel Corporation Method and apparatus for determining and controlling amount of carbon deposited on a surface by a gas
JPS55181540U (en) * 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
GB2230631B (en) * 1989-04-04 1993-03-03 Gore & Ass A solvent responsive signal-carrying device

Also Published As

Publication number Publication date
JPS4845285A (en) 1973-06-28
DE2234239A1 (en) 1973-04-12
AT322507B (en) 1975-05-26

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Legal Events

Date Code Title Description
PL Patent ceased