FR1069889A - Apparatus for testing detectors or indicators for the presence of flammable vapors or gases - Google Patents

Apparatus for testing detectors or indicators for the presence of flammable vapors or gases

Info

Publication number
FR1069889A
FR1069889A FR1069889DA FR1069889A FR 1069889 A FR1069889 A FR 1069889A FR 1069889D A FR1069889D A FR 1069889DA FR 1069889 A FR1069889 A FR 1069889A
Authority
FR
France
Prior art keywords
indicators
gases
flammable vapors
detectors
testing
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
Application number
Other languages
French (fr)
Inventor
Henry Thomas Ringrose
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 filed Critical
Application granted granted Critical
Publication of FR1069889A publication Critical patent/FR1069889A/en
Expired legal-status Critical Current

Links

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)
FR1069889D 1947-04-11 1953-01-16 Apparatus for testing detectors or indicators for the presence of flammable vapors or gases Expired FR1069889A (en)

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
FR1069889A true FR1069889A (en) 1954-07-13

Family

ID=9875851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1069889D Expired FR1069889A (en) 1947-04-11 1953-01-16 Apparatus for testing detectors or indicators for the presence of flammable vapors or gases

Country Status (3)

Country Link
BE (1) BE517158A (en)
FR (1) FR1069889A (en)
GB (1) GB686091A (en)

Also Published As

Publication number Publication date
BE517158A (en) 1953-02-14
GB686091A (en) 1953-01-14

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