FR635091A - Boring bits - Google Patents

Boring bits

Info

Publication number
FR635091A
FR635091A FR635091DA FR635091A FR 635091 A FR635091 A FR 635091A FR 635091D A FR635091D A FR 635091DA FR 635091 A FR635091 A FR 635091A
Authority
FR
France
Prior art keywords
boring bits
boring
bits
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
Clarence Edw Reed
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 FR635091A publication Critical patent/FR635091A/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
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

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)
FR635091D 1927-01-12 1927-05-27 Boring bits Expired FR635091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US635091XA 1927-01-12 1927-01-12

Publications (1)

Publication Number Publication Date
FR635091A true FR635091A (en) 1928-03-07

Family

ID=22049677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR635091D Expired FR635091A (en) 1927-01-12 1927-05-27 Boring bits

Country Status (1)

Country Link
FR (1) FR635091A (en)

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