FR752184A - Automatic shut-off device for compressed air in the pipes - Google Patents

Automatic shut-off device for compressed air in the pipes

Info

Publication number
FR752184A
FR752184A FR752184DA FR752184A FR 752184 A FR752184 A FR 752184A FR 752184D A FR752184D A FR 752184DA FR 752184 A FR752184 A FR 752184A
Authority
FR
France
Prior art keywords
pipes
compressed air
automatic shut
shut
automatic
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
Other languages
French (fr)
Inventor
Fernand Eloy
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 filed Critical
Application granted granted Critical
Publication of FR752184A publication Critical patent/FR752184A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • 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
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
    • F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
    • F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR752184D 1932-03-16 1933-03-09 Automatic shut-off device for compressed air in the pipes Expired FR752184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE752184X 1932-03-16

Publications (1)

Publication Number Publication Date
FR752184A true FR752184A (en) 1933-09-18

Family

ID=3879664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR752184D Expired FR752184A (en) 1932-03-16 1933-03-09 Automatic shut-off device for compressed air in the pipes

Country Status (1)

Country Link
FR (1) FR752184A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498721A1 (en) * 1981-01-27 1982-07-30 Aro Distributor for pressurised hydraulic fluid - has push button which actuates ball to cut off exhaust port

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498721A1 (en) * 1981-01-27 1982-07-30 Aro Distributor for pressurised hydraulic fluid - has push button which actuates ball to cut off exhaust port

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