JPH0258433B2 - - Google Patents

Info

Publication number
JPH0258433B2
JPH0258433B2 JP56066144A JP6614481A JPH0258433B2 JP H0258433 B2 JPH0258433 B2 JP H0258433B2 JP 56066144 A JP56066144 A JP 56066144A JP 6614481 A JP6614481 A JP 6614481A JP H0258433 B2 JPH0258433 B2 JP H0258433B2
Authority
JP
Japan
Prior art keywords
insert
cutter
inserts
row
axis
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 - Lifetime
Application number
JP56066144A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5715796A (en
Inventor
Kaaru Otsutoo Peshia Rudorufu
Emu Ihorito Rodorufuo
Ii Beikaa Birii
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.)
BEIKAA HYUUZU Inc
Original Assignee
BEIKAA HYUUZU Inc
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 BEIKAA HYUUZU Inc filed Critical BEIKAA HYUUZU Inc
Publication of JPS5715796A publication Critical patent/JPS5715796A/ja
Publication of JPH0258433B2 publication Critical patent/JPH0258433B2/ja
Granted 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
    • 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)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP6614481A 1980-06-23 1981-04-30 Cutter for underground drill bit Granted JPS5715796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16197780A 1980-06-23 1980-06-23

Publications (2)

Publication Number Publication Date
JPS5715796A JPS5715796A (en) 1982-01-27
JPH0258433B2 true JPH0258433B2 (cs) 1990-12-07

Family

ID=22583644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6614481A Granted JPS5715796A (en) 1980-06-23 1981-04-30 Cutter for underground drill bit

Country Status (8)

Country Link
JP (1) JPS5715796A (cs)
AU (1) AU543784B2 (cs)
CA (1) CA1154752A (cs)
DE (1) DE3117268A1 (cs)
GB (1) GB2078826B (cs)
NO (1) NO156952C (cs)
SE (1) SE448015B (cs)
ZA (1) ZA812521B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29907492U1 (de) * 1999-04-29 2000-09-28 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 41812 Erkelenz Werkzeug zum Lösen von Erdreich

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2230569A (en) * 1939-12-20 1941-02-04 Globe Oil Tools Co Roller cutter
US2774571A (en) * 1954-07-06 1956-12-18 Hughes Tool Co Cone type well drill
US3726350A (en) * 1971-05-24 1973-04-10 Hughes Tool Co Anti-tracking earth boring drill
US3871488A (en) * 1974-02-13 1975-03-18 Daniel R Sabre Rock drilling
US4187922A (en) * 1978-05-12 1980-02-12 Dresser Industries, Inc. Varied pitch rotary rock bit

Also Published As

Publication number Publication date
NO156952C (no) 1987-12-23
CA1154752A (en) 1983-10-04
GB2078826B (en) 1983-12-07
ZA812521B (en) 1982-04-28
DE3117268C2 (cs) 1991-06-06
GB2078826A (en) 1982-01-13
NO811356L (no) 1981-12-28
DE3117268A1 (de) 1982-04-15
SE8102397L (sv) 1981-12-24
NO156952B (no) 1987-09-14
AU543784B2 (en) 1985-05-02
AU6961581A (en) 1982-01-07
JPS5715796A (en) 1982-01-27
SE448015B (sv) 1987-01-12

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