GB686091A - Improvements in or relating to testing apparatus for detectors or indicators of inflammable vapours or gases - Google Patents
Improvements in or relating to testing apparatus for detectors or indicators of inflammable vapours or gasesInfo
- Publication number
- GB686091A GB686091A GB963847A GB963847A GB686091A GB 686091 A GB686091 A GB 686091A GB 963847 A GB963847 A GB 963847A GB 963847 A GB963847 A GB 963847A GB 686091 A GB686091 A GB 686091A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gauge
- gases
- detectors
- indicators
- relating
- 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.)
- Expired
Links
- 239000007789 gas Substances 0.000 title abstract 4
- 238000001514 detection method Methods 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
- G01N7/12—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference the diffusion being followed by combustion or catalytic oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB963847A GB686091A (en) | 1947-04-11 | 1947-04-11 | Improvements in or relating to testing apparatus for detectors or indicators of inflammable vapours or gases |
FR1069889D FR1069889A (fr) | 1947-04-11 | 1953-01-16 | Appareil pour essayer les détecteurs ou indicateurs de la présence de vapeurs ou de gaz inflammables |
BE517158D BE517158A (enrdf_load_stackoverflow) | 1947-04-11 | 1953-01-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB963847A GB686091A (en) | 1947-04-11 | 1947-04-11 | Improvements in or relating to testing apparatus for detectors or indicators of inflammable vapours or gases |
Publications (1)
Publication Number | Publication Date |
---|---|
GB686091A true GB686091A (en) | 1953-01-14 |
Family
ID=9875851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB963847A Expired GB686091A (en) | 1947-04-11 | 1947-04-11 | Improvements in or relating to testing apparatus for detectors or indicators of inflammable vapours or gases |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE517158A (enrdf_load_stackoverflow) |
FR (1) | FR1069889A (enrdf_load_stackoverflow) |
GB (1) | GB686091A (enrdf_load_stackoverflow) |
-
1947
- 1947-04-11 GB GB963847A patent/GB686091A/en not_active Expired
-
1953
- 1953-01-16 FR FR1069889D patent/FR1069889A/fr not_active Expired
- 1953-01-24 BE BE517158D patent/BE517158A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE517158A (enrdf_load_stackoverflow) | 1953-02-14 |
FR1069889A (fr) | 1954-07-13 |
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