FR2335894A2 - Barrage de securite - Google Patents

Barrage de securite

Info

Publication number
FR2335894A2
FR2335894A2 FR7538744A FR7538744A FR2335894A2 FR 2335894 A2 FR2335894 A2 FR 2335894A2 FR 7538744 A FR7538744 A FR 7538744A FR 7538744 A FR7538744 A FR 7538744A FR 2335894 A2 FR2335894 A2 FR 2335894A2
Authority
FR
France
Prior art keywords
pressure
safety barrier
chamber
chamber connected
pressure chamber
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.)
Granted
Application number
FR7538744A
Other languages
English (en)
Other versions
FR2335894B1 (fr
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.)
COGNY ETS P
Original Assignee
COGNY ETS P
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 COGNY ETS P filed Critical COGNY ETS P
Priority to FR7538744A priority Critical patent/FR2335894A2/fr
Publication of FR2335894A2 publication Critical patent/FR2335894A2/fr
Application granted granted Critical
Publication of FR2335894B1 publication Critical patent/FR2335894B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/20—Actuation by change of fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
FR7538744A 1975-12-17 1975-12-17 Barrage de securite Granted FR2335894A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7538744A FR2335894A2 (fr) 1975-12-17 1975-12-17 Barrage de securite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7538744A FR2335894A2 (fr) 1975-12-17 1975-12-17 Barrage de securite

Publications (2)

Publication Number Publication Date
FR2335894A2 true FR2335894A2 (fr) 1977-07-15
FR2335894B1 FR2335894B1 (fr) 1982-01-22

Family

ID=9163866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538744A Granted FR2335894A2 (fr) 1975-12-17 1975-12-17 Barrage de securite

Country Status (1)

Country Link
FR (1) FR2335894A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0031345A4 (fr) * 1979-07-02 1982-12-09 Millar Frederick W Appareil de securite.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0031345A4 (fr) * 1979-07-02 1982-12-09 Millar Frederick W Appareil de securite.

Also Published As

Publication number Publication date
FR2335894B1 (fr) 1982-01-22

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse