FR1472750A - Quick closing device - Google Patents

Quick closing device

Info

Publication number
FR1472750A
FR1472750A FR55358A FR55358A FR1472750A FR 1472750 A FR1472750 A FR 1472750A FR 55358 A FR55358 A FR 55358A FR 55358 A FR55358 A FR 55358A FR 1472750 A FR1472750 A FR 1472750A
Authority
FR
France
Prior art keywords
closing device
quick closing
quick
closing
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
FR55358A
Other languages
French (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.)
Luwa Ltd
Original Assignee
Luwa 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 Luwa Ltd filed Critical Luwa Ltd
Priority to FR55358A priority Critical patent/FR1472750A/en
Application granted granted Critical
Publication of FR1472750A publication Critical patent/FR1472750A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/006—Safety valves; Equalising valves, e.g. pressure relief valves specially adapted for shelters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR55358A 1966-03-29 1966-03-29 Quick closing device Expired FR1472750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR55358A FR1472750A (en) 1966-03-29 1966-03-29 Quick closing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR55358A FR1472750A (en) 1966-03-29 1966-03-29 Quick closing device

Publications (1)

Publication Number Publication Date
FR1472750A true FR1472750A (en) 1967-03-10

Family

ID=8604917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR55358A Expired FR1472750A (en) 1966-03-29 1966-03-29 Quick closing device

Country Status (1)

Country Link
FR (1) FR1472750A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0336909A2 (en) * 1988-04-05 1989-10-11 ITALARMS S.r.l. A valve for protecting ventilation openings of closed environments from explosion waves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0336909A2 (en) * 1988-04-05 1989-10-11 ITALARMS S.r.l. A valve for protecting ventilation openings of closed environments from explosion waves
EP0336909A3 (en) * 1988-04-05 1990-10-31 ITALARMS S.r.l. A valve for protecting ventilation openings of closed environments from explosion waves

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