AU514631B2 - Rock drill bit - Google Patents

Rock drill bit

Info

Publication number
AU514631B2
AU514631B2 AU23597/77A AU2359777A AU514631B2 AU 514631 B2 AU514631 B2 AU 514631B2 AU 23597/77 A AU23597/77 A AU 23597/77A AU 2359777 A AU2359777 A AU 2359777A AU 514631 B2 AU514631 B2 AU 514631B2
Authority
AU
Australia
Prior art keywords
drill bit
rock drill
rock
bit
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.)
Expired
Application number
AU23597/77A
Other languages
English (en)
Other versions
AU2359777A (en
Inventor
C. E Johansson
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.)
SKF Industrial Trading and Development Co BV
Original Assignee
SKF Industrial Trading and Development Co BV
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 SKF Industrial Trading and Development Co BV filed Critical SKF Industrial Trading and Development Co BV
Publication of AU2359777A publication Critical patent/AU2359777A/en
Application granted granted Critical
Publication of AU514631B2 publication Critical patent/AU514631B2/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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
    • 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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details

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)
  • Rolling Contact Bearings (AREA)
AU23597/77A 1976-04-12 1977-03-24 Rock drill bit Expired AU514631B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7603835,A NL179409C (nl) 1976-04-12 1976-04-12 Boorbeitel voor gesteente.
NLNL7603835 1976-04-12

Publications (2)

Publication Number Publication Date
AU2359777A AU2359777A (en) 1978-09-28
AU514631B2 true AU514631B2 (en) 1981-02-19

Family

ID=19826003

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23597/77A Expired AU514631B2 (en) 1976-04-12 1977-03-24 Rock drill bit

Country Status (12)

Country Link
JP (1) JPS5936076B2 (nl)
AU (1) AU514631B2 (nl)
BR (1) BR7702233A (nl)
CA (1) CA1064014A (nl)
DE (1) DE2715788C2 (nl)
FR (1) FR2348358A1 (nl)
GB (1) GB1563533A (nl)
IT (1) IT1076714B (nl)
NL (1) NL179409C (nl)
NO (1) NO771246L (nl)
SE (1) SE433958B (nl)
ZA (1) ZA772203B (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755591C2 (de) * 1977-12-14 1985-11-07 SKF GmbH, 8720 Schweinfurt Rollenmeißel mit kegelig ausgebildeten Schneidrollen
DE2824202A1 (de) * 1978-06-02 1979-12-06 Sandvik Gmbh Rollenmeissel mit mehreren kegeligen schneidrollen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1010406A (en) * 1909-07-15 1911-11-28 Howard Robard Hughes Roller-drill.
US1973975A (en) * 1933-07-25 1934-09-18 Anthony E Carlson Rotary rock bit construction
US2292036A (en) * 1940-06-28 1942-08-04 Chicago Pneumatic Tool Co Bearing for drill bits
US2339161A (en) * 1942-07-21 1944-01-11 Reed Roller Bit Co Cone bit construction
FR1053319A (fr) * 1952-04-02 1954-02-02 Materiel De Forage Soc De Fab Dispositif de montage pour outils à molettes
US2831660A (en) * 1956-04-16 1958-04-22 Nat Oil Tool Co Inc Lubricated well drill
US3307645A (en) * 1964-10-20 1967-03-07 Exxon Production Research Co Reverse bearing bit
NL179154C (nl) 1975-02-17 1986-07-16 Skf Ind Trading & Dev Rotary boorkop.
US3921735A (en) * 1975-02-27 1975-11-25 Dresser Ind Rotary rock bit with cone mouth air screen

Also Published As

Publication number Publication date
BR7702233A (pt) 1977-12-13
NL179409B (nl) 1986-04-01
JPS5936076B2 (ja) 1984-09-01
GB1563533A (en) 1980-03-26
DE2715788C2 (de) 1986-06-26
DE2715788A1 (de) 1977-10-20
SE433958B (sv) 1984-06-25
NL7603835A (nl) 1977-10-14
AU2359777A (en) 1978-09-28
CA1064014A (en) 1979-10-09
NL179409C (nl) 1986-09-01
FR2348358A1 (fr) 1977-11-10
SE7703246L (sv) 1977-10-13
NO771246L (no) 1977-10-13
ZA772203B (en) 1978-03-29
JPS52145302A (en) 1977-12-03
IT1076714B (it) 1985-04-27
FR2348358B3 (nl) 1980-01-18

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