FR2039358B1 - - Google Patents

Info

Publication number
FR2039358B1
FR2039358B1 FR7014641A FR7014641A FR2039358B1 FR 2039358 B1 FR2039358 B1 FR 2039358B1 FR 7014641 A FR7014641 A FR 7014641A FR 7014641 A FR7014641 A FR 7014641A FR 2039358 B1 FR2039358 B1 FR 2039358B1
Authority
FR
France
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
FR7014641A
Other languages
French (fr)
Other versions
FR2039358A1 (de
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.)
Byron Jackson Inc
Original Assignee
Byron Jackson Inc
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 Byron Jackson Inc filed Critical Byron Jackson Inc
Publication of FR2039358A1 publication Critical patent/FR2039358A1/fr
Application granted granted Critical
Publication of FR2039358B1 publication Critical patent/FR2039358B1/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Details Of Valves (AREA)
FR7014641A 1969-04-22 1970-04-22 Expired FR2039358B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81826169A 1969-04-22 1969-04-22

Publications (2)

Publication Number Publication Date
FR2039358A1 FR2039358A1 (de) 1971-01-15
FR2039358B1 true FR2039358B1 (de) 1973-04-06

Family

ID=25225088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7014641A Expired FR2039358B1 (de) 1969-04-22 1970-04-22

Country Status (6)

Country Link
JP (1) JPS5022962B1 (de)
AT (1) AT297628B (de)
DE (1) DE2017939B2 (de)
FR (1) FR2039358B1 (de)
GB (1) GB1266306A (de)
NL (1) NL7005693A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739801A1 (de) * 1977-09-03 1979-03-15 Waletzko Alfred Apparatebau Rueckflussverhinderer, insbesondere fuer rohrtrenner
FR2502683A1 (fr) * 1981-03-24 1982-10-01 Flopetrol Procede et equipement de forage d'une couche souterraine contenant des hydrocarbures, sans utilisation de boue de forage
GB8326961D0 (en) * 1983-10-08 1983-11-09 Hogarth P J M Bore-hole drilling device
DE102011082728A1 (de) * 2011-09-15 2013-03-21 Robert Bosch Gmbh Rückschlagventil, insbesondere für eine Kraftstoffhochdruckpumpe, und Pumpe mit Rückschlagventil
CN103234067B (zh) * 2013-05-10 2015-11-11 四川宏华石油设备有限公司 一种用于井下工具的单向阀

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1592988A (en) * 1926-07-20 Valve
US2023189A (en) * 1932-01-23 1935-12-03 George J Armstrong Float valve
US2289946A (en) * 1940-09-06 1942-07-14 Weatherhead Co Needle check valve
US2977980A (en) * 1958-04-22 1961-04-04 Axel R Scholin Unidirectional valve for metering pumps and the like
BE627369A (de) * 1962-01-22 1900-01-01

Also Published As

Publication number Publication date
FR2039358A1 (de) 1971-01-15
JPS5022962B1 (de) 1975-08-04
DE2017939C3 (de) 1973-10-18
DE2017939A1 (de) 1971-01-14
GB1266306A (de) 1972-03-08
AT297628B (de) 1972-04-10
NL7005693A (de) 1970-10-26
DE2017939B2 (de) 1973-03-22

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Legal Events

Date Code Title Description
ST Notification of lapse