BE442253A - - Google Patents

Info

Publication number
BE442253A
BE442253A BE442253DA BE442253A BE 442253 A BE442253 A BE 442253A BE 442253D A BE442253D A BE 442253DA BE 442253 A BE442253 A BE 442253A
Authority
BE
Belgium
Prior art keywords
edges
cutting
cutting edge
cutters
grinding
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE442253A publication Critical patent/BE442253A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill 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)
  • Food-Manufacturing Devices (AREA)
BE442253D BE442253A (en, 2012)

Publications (1)

Publication Number Publication Date
BE442253A true BE442253A (en, 2012)

Family

ID=99501

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442253D BE442253A (en, 2012)

Country Status (1)

Country Link
BE (1) BE442253A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1024247A1 (de) * 1999-01-26 2000-08-02 Plica Werkzeugfabrik Ag Bohrwerkzeug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1024247A1 (de) * 1999-01-26 2000-08-02 Plica Werkzeugfabrik Ag Bohrwerkzeug

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