CA1087276A - Fire sensing device - Google Patents

Fire sensing device

Info

Publication number
CA1087276A
CA1087276A CA277,009A CA277009A CA1087276A CA 1087276 A CA1087276 A CA 1087276A CA 277009 A CA277009 A CA 277009A CA 1087276 A CA1087276 A CA 1087276A
Authority
CA
Canada
Prior art keywords
plate member
fins
groups
heat receiving
receiving plate
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
CA277,009A
Other languages
English (en)
French (fr)
Inventor
Yasuyoshi Kameyama
Satoru Suzaki
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Application granted granted Critical
Publication of CA1087276A publication Critical patent/CA1087276A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
CA277,009A 1976-07-30 1977-04-26 Fire sensing device Expired CA1087276A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91822/1976 1976-07-30
JP9182276A JPS5317096A (en) 1976-07-30 1976-07-30 Fire sensor

Publications (1)

Publication Number Publication Date
CA1087276A true CA1087276A (en) 1980-10-07

Family

ID=14037302

Family Applications (1)

Application Number Title Priority Date Filing Date
CA277,009A Expired CA1087276A (en) 1976-07-30 1977-04-26 Fire sensing device

Country Status (8)

Country Link
US (1) US4112407A (2)
JP (1) JPS5317096A (2)
CA (1) CA1087276A (2)
DE (1) DE2719025C3 (2)
FR (1) FR2360141A1 (2)
GB (1) GB1579221A (2)
IT (1) IT1081476B (2)
SE (1) SE411692B (2)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4623866A (en) * 1985-07-02 1986-11-18 Elmwood Sensors, Inc. Cap and bracket assembly for thermostatic switch and method of manufacturing same
JPH0755674Y2 (ja) * 1988-02-02 1995-12-20 ニッタン株式会社 火災感知器
AU102934S (en) 1988-03-22 1989-02-09 Delta Elettr S P A Siren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1117347A (en) * 1912-12-26 1914-11-17 Franklin Dwight Curtis Electric thermostatic fire-alarm contacts.
US1179276A (en) * 1915-09-14 1916-04-11 Bullock Safety Appliance Company Fire-alarm system including a thermal circuit-closer.
US2824300A (en) * 1956-07-11 1958-02-18 Rand Samuel Closure alarm device
US3391402A (en) * 1966-11-16 1968-07-02 Arnold L. Lucas Fire alarm
US3605057A (en) * 1968-11-25 1971-09-14 Matsushita Electric Works Ltd Heat detection unit
GB1267554A (en) * 1968-11-25 1972-03-22 Matsushita Electric Works Ltd Heat detection electric switch
JPS4827776B1 (2) * 1969-03-05 1973-08-25
JPS4827777A (2) * 1971-08-11 1973-04-12
JPS5615673Y2 (2) * 1975-06-30 1981-04-13

Also Published As

Publication number Publication date
GB1579221A (en) 1980-11-12
FR2360141A1 (fr) 1978-02-24
DE2719025B2 (de) 1978-07-06
SE411692B (sv) 1980-01-28
IT1081476B (it) 1985-05-21
SE7705161L (sv) 1978-01-31
US4112407A (en) 1978-09-05
DE2719025C3 (de) 1982-03-25
DE2719025A1 (de) 1978-02-02
FR2360141B1 (2) 1981-07-31
JPS5317096A (en) 1978-02-16

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Legal Events

Date Code Title Description
MKEX Expiry