FR952785A - Foret - Google Patents

Foret

Info

Publication number
FR952785A
FR952785A FR952785DA FR952785A FR 952785 A FR952785 A FR 952785A FR 952785D A FR952785D A FR 952785DA FR 952785 A FR952785 A FR 952785A
Authority
FR
France
Prior art keywords
forest
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
English (en)
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.)
KOEBEL DIAMOND TOOL CO
Original Assignee
KOEBEL DIAMOND TOOL CO
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 KOEBEL DIAMOND TOOL CO filed Critical KOEBEL DIAMOND TOOL CO
Application granted granted Critical
Publication of FR952785A publication Critical patent/FR952785A/fr
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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers

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)
FR952785D 1940-05-29 1947-09-08 Foret Expired FR952785A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA952785X 1940-05-29

Publications (1)

Publication Number Publication Date
FR952785A true FR952785A (fr) 1949-11-23

Family

ID=4173125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952785D Expired FR952785A (fr) 1940-05-29 1947-09-08 Foret

Country Status (1)

Country Link
FR (1) FR952785A (fr)

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