GB334164A - Improvements in and relating to casings for temperature-sensitive circuit closers for fire alarm systems - Google Patents

Improvements in and relating to casings for temperature-sensitive circuit closers for fire alarm systems

Info

Publication number
GB334164A
GB334164A GB1259230A GB1259230A GB334164A GB 334164 A GB334164 A GB 334164A GB 1259230 A GB1259230 A GB 1259230A GB 1259230 A GB1259230 A GB 1259230A GB 334164 A GB334164 A GB 334164A
Authority
GB
United Kingdom
Prior art keywords
casings
relating
temperature
fire alarm
alarm systems
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
GB1259230A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1259230A priority Critical patent/GB334164A/en
Publication of GB334164A publication Critical patent/GB334164A/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-Detection Mechanisms (AREA)

Abstract

334,164. Brady, G. H. June 11, 1929. Divided on 333,003. Alarms operated by expansion of solids.-A casing for the circuit-closing elements of a firealarm system comprises a trough-like body 1 open at one side and both ends, and a perforated strip 5 which closes the open side of the body, and is bent at each end to provide portions 6 for closing the ends of the body and feet 7 for securing the casing in spaced relation to a ceiling or the like. Flanges 4 on the body retain the strip 5 in position. As shown, the circuit-closing elements are as described in Specification 333,003. Specification 328,154, [Class 38 (i), Electric couplings &c.]. also is referred to.
GB1259230A 1929-06-11 1929-06-11 Improvements in and relating to casings for temperature-sensitive circuit closers for fire alarm systems Expired GB334164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1259230A GB334164A (en) 1929-06-11 1929-06-11 Improvements in and relating to casings for temperature-sensitive circuit closers for fire alarm systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1259230A GB334164A (en) 1929-06-11 1929-06-11 Improvements in and relating to casings for temperature-sensitive circuit closers for fire alarm systems

Publications (1)

Publication Number Publication Date
GB334164A true GB334164A (en) 1930-08-28

Family

ID=10007485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1259230A Expired GB334164A (en) 1929-06-11 1929-06-11 Improvements in and relating to casings for temperature-sensitive circuit closers for fire alarm systems

Country Status (1)

Country Link
GB (1) GB334164A (en)

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