GB776456A - Automatic fire alarm - Google Patents

Automatic fire alarm

Info

Publication number
GB776456A
GB776456A GB3123654A GB3123654A GB776456A GB 776456 A GB776456 A GB 776456A GB 3123654 A GB3123654 A GB 3123654A GB 3123654 A GB3123654 A GB 3123654A GB 776456 A GB776456 A GB 776456A
Authority
GB
United Kingdom
Prior art keywords
automatic fire
fire alarm
wire
oct
bell
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
GB3123654A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEORGE ALFRED SAMSON
Original Assignee
GEORGE ALFRED SAMSON
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 by GEORGE ALFRED SAMSON filed Critical GEORGE ALFRED SAMSON
Priority to GB3123654A priority Critical patent/GB776456A/en
Publication of GB776456A publication Critical patent/GB776456A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)

Abstract

776,456. Automatic fire alarms. SAMSON, G. A. Oct. 27, 1955 [Oct. 29, 1954], No. 31236/54. Class 118 (1). A fire alarm comprises a copper wire A spring- tensioned at B, which wire when heated expands to make contact with a post F and complete an alarm bell circuit. A ball G on the wire A may be used to operate a clockwork bell.
GB3123654A 1954-10-29 1954-10-29 Automatic fire alarm Expired GB776456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3123654A GB776456A (en) 1954-10-29 1954-10-29 Automatic fire alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3123654A GB776456A (en) 1954-10-29 1954-10-29 Automatic fire alarm

Publications (1)

Publication Number Publication Date
GB776456A true GB776456A (en) 1957-06-05

Family

ID=10320084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3123654A Expired GB776456A (en) 1954-10-29 1954-10-29 Automatic fire alarm

Country Status (1)

Country Link
GB (1) GB776456A (en)

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