FR1368548A - Vanne à papillon - Google Patents

Vanne à papillon

Info

Publication number
FR1368548A
FR1368548A FR946840A FR946840A FR1368548A FR 1368548 A FR1368548 A FR 1368548A FR 946840 A FR946840 A FR 946840A FR 946840 A FR946840 A FR 946840A FR 1368548 A FR1368548 A FR 1368548A
Authority
FR
France
Prior art keywords
butterfly valve
butterfly
valve
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
FR946840A
Other languages
English (en)
Inventor
Lapray
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
Priority to FR946840A priority Critical patent/FR1368548A/fr
Application granted granted Critical
Publication of FR1368548A publication Critical patent/FR1368548A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/001—Drilling a non circular hole
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
    • E02B13/02—Closures for irrigation conduits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR946840A 1963-09-06 1963-09-06 Vanne à papillon Expired FR1368548A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR946840A FR1368548A (fr) 1963-09-06 1963-09-06 Vanne à papillon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946840A FR1368548A (fr) 1963-09-06 1963-09-06 Vanne à papillon

Publications (1)

Publication Number Publication Date
FR1368548A true FR1368548A (fr) 1964-07-31

Family

ID=8811926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946840A Expired FR1368548A (fr) 1963-09-06 1963-09-06 Vanne à papillon

Country Status (1)

Country Link
FR (1) FR1368548A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319701A1 (de) * 1983-05-31 1984-12-13 Theodor Dipl.-Ing. 4000 Düsseldorf Enache Selbstregelnde bewaesserungsschleuse mit senkrechten symmetrischen drehsegmenten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319701A1 (de) * 1983-05-31 1984-12-13 Theodor Dipl.-Ing. 4000 Düsseldorf Enache Selbstregelnde bewaesserungsschleuse mit senkrechten symmetrischen drehsegmenten

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