FR702267A - Rotary rock drill auger - Google Patents

Rotary rock drill auger

Info

Publication number
FR702267A
FR702267A FR702267DA FR702267A FR 702267 A FR702267 A FR 702267A FR 702267D A FR702267D A FR 702267DA FR 702267 A FR702267 A FR 702267A
Authority
FR
France
Prior art keywords
rock drill
rotary rock
drill auger
auger
rotary
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens AG
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 Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR702267A publication Critical patent/FR702267A/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits

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)
FR702267D 1929-09-18 1930-09-16 Rotary rock drill auger Expired FR702267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE702267X 1929-09-18

Publications (1)

Publication Number Publication Date
FR702267A true FR702267A (en) 1931-04-03

Family

ID=6612403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702267D Expired FR702267A (en) 1929-09-18 1930-09-16 Rotary rock drill auger

Country Status (1)

Country Link
FR (1) FR702267A (en)

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