FR754650A - Fire alarm - Google Patents

Fire alarm

Info

Publication number
FR754650A
FR754650A FR754650DA FR754650A FR 754650 A FR754650 A FR 754650A FR 754650D A FR754650D A FR 754650DA FR 754650 A FR754650 A FR 754650A
Authority
FR
France
Prior art keywords
fire alarm
alarm
fire
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
Victor Fellmann
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 FR754650A publication Critical patent/FR754650A/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)
FR754650D 1933-04-24 1933-04-24 Fire alarm Expired FR754650A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR754650T 1933-04-24

Publications (1)

Publication Number Publication Date
FR754650A true FR754650A (en) 1933-11-10

Family

ID=9164618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754650D Expired FR754650A (en) 1933-04-24 1933-04-24 Fire alarm

Country Status (1)

Country Link
FR (1) FR754650A (en)

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