FR485143A - Debris ejector device for hammer drills - Google Patents

Debris ejector device for hammer drills

Info

Publication number
FR485143A
FR485143A FR485143A FR485143DA FR485143A FR 485143 A FR485143 A FR 485143A FR 485143 A FR485143 A FR 485143A FR 485143D A FR485143D A FR 485143DA FR 485143 A FR485143 A FR 485143A
Authority
FR
France
Prior art keywords
ejector device
hammer drills
debris ejector
debris
drills
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
FR485143A
Other languages
French (fr)
Inventor
Gustave Mairet
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR485143A publication Critical patent/FR485143A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes

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)
FR485143A 1916-06-21 1916-06-21 Debris ejector device for hammer drills Expired FR485143A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR485143T 1916-06-21

Publications (1)

Publication Number Publication Date
FR485143A true FR485143A (en) 1917-12-13

Family

ID=1521873

Family Applications (1)

Application Number Title Priority Date Filing Date
FR485143A Expired FR485143A (en) 1916-06-21 1916-06-21 Debris ejector device for hammer drills

Country Status (1)

Country Link
FR (1) FR485143A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575619A (en) * 1945-11-19 1951-11-20 Ingersoll Rand Co Rock drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575619A (en) * 1945-11-19 1951-11-20 Ingersoll Rand Co Rock drill

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