FR1245946A - Avertisseur sonore à commande par pression de fluide - Google Patents

Avertisseur sonore à commande par pression de fluide

Info

Publication number
FR1245946A
FR1245946A FR816154A FR816154A FR1245946A FR 1245946 A FR1245946 A FR 1245946A FR 816154 A FR816154 A FR 816154A FR 816154 A FR816154 A FR 816154A FR 1245946 A FR1245946 A FR 1245946A
Authority
FR
France
Prior art keywords
fluid pressure
pressure controlled
controlled horn
horn
fluid
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
FR816154A
Other languages
English (en)
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.)
Normalair Ltd
Original Assignee
Normalair 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 Normalair Ltd filed Critical Normalair Ltd
Application granted granted Critical
Publication of FR1245946A publication Critical patent/FR1245946A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/009—Methods or equipment not provided for in groups A62C99/0009 - A62C99/0081
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/06—Audible signalling systems; Audible personal calling systems using hydraulic transmission; using pneumatic transmission

Landscapes

  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
FR816154A 1959-01-22 1960-01-20 Avertisseur sonore à commande par pression de fluide Expired FR1245946A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB239359A GB862781A (en) 1959-01-22 1959-01-22 Improvements in or relating to fluid pressure operated warning devices

Publications (1)

Publication Number Publication Date
FR1245946A true FR1245946A (fr) 1960-11-10

Family

ID=9738764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816154A Expired FR1245946A (fr) 1959-01-22 1960-01-20 Avertisseur sonore à commande par pression de fluide

Country Status (2)

Country Link
FR (1) FR1245946A (fr)
GB (1) GB862781A (fr)

Also Published As

Publication number Publication date
GB862781A (en) 1961-03-15

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