CA981247A - Bit for rock drilling - Google Patents

Bit for rock drilling

Info

Publication number
CA981247A
CA981247A CA195,525A CA195525A CA981247A CA 981247 A CA981247 A CA 981247A CA 195525 A CA195525 A CA 195525A CA 981247 A CA981247 A CA 981247A
Authority
CA
Canada
Prior art keywords
bit
rock drilling
rock
drilling
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
CA195,525A
Other versions
CA195525S (en
Inventor
Harvey R. Norman
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA195,525A priority Critical patent/CA981247A/en
Application granted granted Critical
Publication of CA981247A publication Critical patent/CA981247A/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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core 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)
CA195,525A 1974-03-20 1974-03-20 Bit for rock drilling Expired CA981247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA195,525A CA981247A (en) 1974-03-20 1974-03-20 Bit for rock drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA195,525A CA981247A (en) 1974-03-20 1974-03-20 Bit for rock drilling

Publications (1)

Publication Number Publication Date
CA981247A true CA981247A (en) 1976-01-06

Family

ID=4099530

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,525A Expired CA981247A (en) 1974-03-20 1974-03-20 Bit for rock drilling

Country Status (1)

Country Link
CA (1) CA981247A (en)

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