FR2469816B1 - - Google Patents
Info
- Publication number
- FR2469816B1 FR2469816B1 FR7928176A FR7928176A FR2469816B1 FR 2469816 B1 FR2469816 B1 FR 2469816B1 FR 7928176 A FR7928176 A FR 7928176A FR 7928176 A FR7928176 A FR 7928176A FR 2469816 B1 FR2469816 B1 FR 2469816B1
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
- G01M3/2838—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 cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
- H02G15/28—Cable fittings for cables filled with or surrounded by gas or oil structurally associated with devices for indicating the presence or location of non-electric faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7928176A FR2469816A1 (fr) | 1979-11-15 | 1979-11-15 | Dispositif de surveillance simultanee de l'etancheite d'une pluralite d'enceintes, et application au controle de l'etancheite d'un reseau de cables de telecommunication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7928176A FR2469816A1 (fr) | 1979-11-15 | 1979-11-15 | Dispositif de surveillance simultanee de l'etancheite d'une pluralite d'enceintes, et application au controle de l'etancheite d'un reseau de cables de telecommunication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2469816A1 FR2469816A1 (fr) | 1981-05-22 |
| FR2469816B1 true FR2469816B1 (Direct) | 1982-10-29 |
Family
ID=9231713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7928176A Granted FR2469816A1 (fr) | 1979-11-15 | 1979-11-15 | Dispositif de surveillance simultanee de l'etancheite d'une pluralite d'enceintes, et application au controle de l'etancheite d'un reseau de cables de telecommunication |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2469816A1 (Direct) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK146455A (en) * | 1981-05-06 | 1900-01-01 | Method and plant for monitoring and detecting possible leak in a piping system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3689908A (en) * | 1971-01-04 | 1972-09-05 | Jimmy C Ray | Rate of flow alarm |
| DE2721711A1 (de) * | 1977-05-12 | 1978-11-16 | Siemens Ag | Einrichtung zur ueberwachung des isoliermitteldruckes in gekapselten, druckgasisolierten hochspannungsleitungen und -schaltanlagen |
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1979
- 1979-11-15 FR FR7928176A patent/FR2469816A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2469816A1 (fr) | 1981-05-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |