FR509039A - Obturateur automatique - Google Patents

Obturateur automatique

Info

Publication number
FR509039A
FR509039A FR509039A FR509039DA FR509039A FR 509039 A FR509039 A FR 509039A FR 509039 A FR509039 A FR 509039A FR 509039D A FR509039D A FR 509039DA FR 509039 A FR509039 A FR 509039A
Authority
FR
France
Prior art keywords
automatic shutter
shutter
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
FR509039A
Other languages
English (en)
Inventor
Joseph Bonnefille
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.)
JOSEPH BONNEFILLE
Original Assignee
JOSEPH BONNEFILLE
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 JOSEPH BONNEFILLE filed Critical JOSEPH BONNEFILLE
Application granted granted Critical
Publication of FR509039A publication Critical patent/FR509039A/fr
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
    • F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
    • F16K43/005—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose an auxiliary valve closing automatically when the main valve is being disassembled

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR509039A 1920-01-10 1920-01-10 Obturateur automatique Expired FR509039A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR509039T 1920-01-10

Publications (1)

Publication Number Publication Date
FR509039A true FR509039A (fr) 1920-10-29

Family

ID=8910781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR509039A Expired FR509039A (fr) 1920-01-10 1920-01-10 Obturateur automatique

Country Status (1)

Country Link
FR (1) FR509039A (fr)

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