DE3422394A1 - Fluessigkeitsverlustanzeiger - Google Patents

Fluessigkeitsverlustanzeiger

Info

Publication number
DE3422394A1
DE3422394A1 DE19843422394 DE3422394A DE3422394A1 DE 3422394 A1 DE3422394 A1 DE 3422394A1 DE 19843422394 DE19843422394 DE 19843422394 DE 3422394 A DE3422394 A DE 3422394A DE 3422394 A1 DE3422394 A1 DE 3422394A1
Authority
DE
Germany
Prior art keywords
resin layer
liquid
electrodes
conductive resin
sensor
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
DE19843422394
Other languages
German (de)
English (en)
Other versions
DE3422394C2 (enExample
Inventor
Haruo Ohmiya Saitama Imaizumi
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.)
Junkosha Co Ltd
Original Assignee
Junkosha 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 Junkosha Co Ltd filed Critical Junkosha Co Ltd
Publication of DE3422394A1 publication Critical patent/DE3422394A1/de
Application granted granted Critical
Publication of DE3422394C2 publication Critical patent/DE3422394C2/de
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
    • G01M3/04—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)
DE19843422394 1983-06-16 1984-06-15 Fluessigkeitsverlustanzeiger Granted DE3422394A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10902983A JPS60338A (ja) 1983-06-16 1983-06-16 漏液検知装置

Publications (2)

Publication Number Publication Date
DE3422394A1 true DE3422394A1 (de) 1984-12-20
DE3422394C2 DE3422394C2 (enExample) 1989-09-14

Family

ID=14499796

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843422394 Granted DE3422394A1 (de) 1983-06-16 1984-06-15 Fluessigkeitsverlustanzeiger

Country Status (2)

Country Link
JP (1) JPS60338A (enExample)
DE (1) DE3422394A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0306239A3 (en) * 1987-09-04 1989-08-30 Junkosha Co. Ltd. Liquid leakage sensor
EP0354733A3 (en) * 1988-08-11 1990-05-23 Junkosha Co. Ltd. Conductive resin structure for connecting metal conductors
EP0341932A3 (en) * 1988-05-09 1990-05-30 Junkosha Co. Ltd. A leak detecting sensor
DE4239495A1 (de) * 1992-11-25 1994-05-26 Luber Willibald Vorrichtung zur zerstörungsfreien Aufdeckung von Schäden an flächenhaften Abdichtungen wie auf Brücken, Wannen, Deponiesohlen und Flachdächern
WO2004038357A1 (de) * 2002-10-24 2004-05-06 Körber, Karin System mit sensoren zur detektion und ortung einer benetzung von flächen mit flüssigen medien

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0249552Y2 (enExample) * 1985-06-19 1990-12-27

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822769A1 (de) * 1977-05-25 1978-12-07 Junkosha Co Ltd Lecksuchvorrichtung, insbesondere fuer fluessigkeiten

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564850U (enExample) * 1979-06-26 1981-01-17
JPS57165750A (en) * 1981-04-03 1982-10-12 Marcon Electronics Co Ltd Humidity-sensitive element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822769A1 (de) * 1977-05-25 1978-12-07 Junkosha Co Ltd Lecksuchvorrichtung, insbesondere fuer fluessigkeiten

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0306239A3 (en) * 1987-09-04 1989-08-30 Junkosha Co. Ltd. Liquid leakage sensor
EP0341932A3 (en) * 1988-05-09 1990-05-30 Junkosha Co. Ltd. A leak detecting sensor
EP0354733A3 (en) * 1988-08-11 1990-05-23 Junkosha Co. Ltd. Conductive resin structure for connecting metal conductors
DE4239495A1 (de) * 1992-11-25 1994-05-26 Luber Willibald Vorrichtung zur zerstörungsfreien Aufdeckung von Schäden an flächenhaften Abdichtungen wie auf Brücken, Wannen, Deponiesohlen und Flachdächern
WO2004038357A1 (de) * 2002-10-24 2004-05-06 Körber, Karin System mit sensoren zur detektion und ortung einer benetzung von flächen mit flüssigen medien

Also Published As

Publication number Publication date
JPS60338A (ja) 1985-01-05
DE3422394C2 (enExample) 1989-09-14
JPH032256B2 (enExample) 1991-01-14

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8380 Miscellaneous part iii

Free format text: KLUNKER, H., DIPL.-ING. DR.RER.NAT. SCHMITT-NILSON, G., DIPL.-ING. DR.-ING. HIRSCH, P., DIPL.-ING.,PAT.-ANWAELTE, 8000 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee