FR68485E - Refinement of jetted knurled tools - Google Patents

Refinement of jetted knurled tools

Info

Publication number
FR68485E
FR68485E FR68485DA FR68485E FR 68485 E FR68485 E FR 68485E FR 68485D A FR68485D A FR 68485DA FR 68485 E FR68485 E FR 68485E
Authority
FR
France
Prior art keywords
jetted
refinement
knurled
tools
knurled tools
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)
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.)
MATERIEL DE FORAGE SOC DE FAB
Original Assignee
MATERIEL DE FORAGE SOC DE FAB
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 MATERIEL DE FORAGE SOC DE FAB filed Critical MATERIEL DE FORAGE SOC DE FAB
Application granted granted Critical
Publication of FR68485E publication Critical patent/FR68485E/en
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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR68485D 1955-06-27 1955-06-27 Refinement of jetted knurled tools Expired FR68485E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR68485T 1955-06-27

Publications (1)

Publication Number Publication Date
FR68485E true FR68485E (en) 1958-04-30

Family

ID=8700522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR68485D Expired FR68485E (en) 1955-06-27 1955-06-27 Refinement of jetted knurled tools

Country Status (1)

Country Link
FR (1) FR68485E (en)

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