FR1183632A - Roller bit - Google Patents

Roller bit

Info

Publication number
FR1183632A
FR1183632A FR1183632DA FR1183632A FR 1183632 A FR1183632 A FR 1183632A FR 1183632D A FR1183632D A FR 1183632DA FR 1183632 A FR1183632 A FR 1183632A
Authority
FR
France
Prior art keywords
roller bit
bit
roller
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.)
Aktiengesellschaft fuer Unternehmungen der Eisen und Stahlindustrie
Original Assignee
Aktiengesellschaft fuer Unternehmungen der Eisen und Stahlindustrie
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 Aktiengesellschaft fuer Unternehmungen der Eisen und Stahlindustrie filed Critical Aktiengesellschaft fuer Unternehmungen der Eisen und Stahlindustrie
Application granted granted Critical
Publication of FR1183632A publication Critical patent/FR1183632A/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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type

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)
FR1183632D 1956-10-01 1957-10-01 Roller bit Expired FR1183632A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1183632X 1956-10-01

Publications (1)

Publication Number Publication Date
FR1183632A true FR1183632A (en) 1959-07-09

Family

ID=7730551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1183632D Expired FR1183632A (en) 1956-10-01 1957-10-01 Roller bit

Country Status (1)

Country Link
FR (1) FR1183632A (en)

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