FR761537A - Fire alarm device - Google Patents

Fire alarm device

Info

Publication number
FR761537A
FR761537A FR761537DA FR761537A FR 761537 A FR761537 A FR 761537A FR 761537D A FR761537D A FR 761537DA FR 761537 A FR761537 A FR 761537A
Authority
FR
France
Prior art keywords
alarm device
fire alarm
fire
alarm
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
Albert Isler
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 FR761537A publication Critical patent/FR761537A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
FR761537D 1933-10-04 1933-10-04 Fire alarm device Expired FR761537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR761537T 1933-10-04

Publications (1)

Publication Number Publication Date
FR761537A true FR761537A (en) 1934-03-21

Family

ID=9173462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR761537D Expired FR761537A (en) 1933-10-04 1933-10-04 Fire alarm device

Country Status (1)

Country Link
FR (1) FR761537A (en)

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