AU542649B2 - Drill bit with rolling cutters - Google Patents

Drill bit with rolling cutters

Info

Publication number
AU542649B2
AU542649B2 AU20636/83A AU2063683A AU542649B2 AU 542649 B2 AU542649 B2 AU 542649B2 AU 20636/83 A AU20636/83 A AU 20636/83A AU 2063683 A AU2063683 A AU 2063683A AU 542649 B2 AU542649 B2 AU 542649B2
Authority
AU
Australia
Prior art keywords
drill bit
rolling cutters
cutters
rolling
drill
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.)
Ceased
Application number
AU20636/83A
Other versions
AU2063683A (en
Inventor
Sho Takano
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.)
Sumitomo Metal Corp
Original Assignee
Sumitomo Metal Mining Co Ltd
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
Priority claimed from JP57022932A external-priority patent/JPS57149534A/en
Application filed by Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Publication of AU2063683A publication Critical patent/AU2063683A/en
Application granted granted Critical
Publication of AU542649B2 publication Critical patent/AU542649B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement

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)
AU20636/83A 1982-02-17 1983-10-27 Drill bit with rolling cutters Ceased AU542649B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57022932A JPS57149534A (en) 1981-02-17 1982-02-17 Presser foot for knitting machine
JP57-229329 1982-12-28

Publications (2)

Publication Number Publication Date
AU2063683A AU2063683A (en) 1984-07-05
AU542649B2 true AU542649B2 (en) 1985-02-28

Family

ID=12096399

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20636/83A Ceased AU542649B2 (en) 1982-02-17 1983-10-27 Drill bit with rolling cutters

Country Status (1)

Country Link
AU (1) AU542649B2 (en)

Also Published As

Publication number Publication date
AU2063683A (en) 1984-07-05

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