FR2311291B1 - - Google Patents
Info
- Publication number
- FR2311291B1 FR2311291B1 FR7514748A FR7514748A FR2311291B1 FR 2311291 B1 FR2311291 B1 FR 2311291B1 FR 7514748 A FR7514748 A FR 7514748A FR 7514748 A FR7514748 A FR 7514748A FR 2311291 B1 FR2311291 B1 FR 2311291B1
- 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
-
- 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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
-
- 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
- G01M3/005—Investigating fluid-tightness of structures using pigs or moles
-
- 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
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB565674A GB1485152A (en) | 1975-04-29 | 1975-04-29 | Systems and apparatus for gas detection |
| FR7514748A FR2311291A1 (fr) | 1975-04-29 | 1975-05-12 | Procede et appareil de detection de gaz |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB565674A GB1485152A (en) | 1975-04-29 | 1975-04-29 | Systems and apparatus for gas detection |
| FR7514748A FR2311291A1 (fr) | 1975-04-29 | 1975-05-12 | Procede et appareil de detection de gaz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2311291A1 FR2311291A1 (fr) | 1976-12-10 |
| FR2311291B1 true FR2311291B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-12-05 |
Family
ID=26218865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7514748A Granted FR2311291A1 (fr) | 1975-04-29 | 1975-05-12 | Procede et appareil de detection de gaz |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2311291A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| GB (1) | GB1485152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8311474D0 (en) * | 1983-04-27 | 1983-06-02 | Dunlop Ltd | Leak detectors |
| GB2138956B (en) * | 1983-04-27 | 1986-12-10 | Dunlop Ltd | Improvements in or relating to leak detectors |
| CA1258508A (en) * | 1986-03-31 | 1989-08-15 | David N. Kempf | Hydrocarbon probe and method of installation |
| CN110823480B (zh) * | 2019-10-31 | 2022-02-01 | 湖南国奥电力设备有限公司 | 基于气体检测的地下电缆故障预警方法和装置 |
| CN112377818B (zh) * | 2020-11-13 | 2023-01-17 | 江苏杰霸物联网科技有限公司 | 一种基于智慧燃气的燃气泄漏监控装置及其使用方法 |
| CN115728012A (zh) * | 2022-11-21 | 2023-03-03 | 青海中利光纤技术有限公司 | 马弗管裂纹检测装置、方法、设备及存储介质 |
-
1975
- 1975-04-29 GB GB565674A patent/GB1485152A/en not_active Expired
- 1975-05-12 FR FR7514748A patent/FR2311291A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2311291A1 (fr) | 1976-12-10 |
| GB1485152A (en) | 1977-09-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |