GB1225564A - - Google Patents

Info

Publication number
GB1225564A
GB1225564A GB1225564DA GB1225564A GB 1225564 A GB1225564 A GB 1225564A GB 1225564D A GB1225564D A GB 1225564DA GB 1225564 A GB1225564 A GB 1225564A
Authority
GB
United Kingdom
Prior art keywords
bit
cutting edges
march
teeth
becker
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)
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 filed Critical
Publication of GB1225564A publication Critical patent/GB1225564A/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
    • E21B10/02—Core 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)
  • Earth Drilling (AREA)
GB1225564D 1968-03-25 1969-03-24 Expired GB1225564A ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA15742 1968-03-25

Publications (1)

Publication Number Publication Date
GB1225564A true GB1225564A ( ) 1971-03-17

Family

ID=4084116

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1225564D Expired GB1225564A ( ) 1968-03-25 1969-03-24

Country Status (1)

Country Link
GB (1) GB1225564A ( )

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee