JPS5936076B2 - ボ−リング用ビツト - Google Patents

ボ−リング用ビツト

Info

Publication number
JPS5936076B2
JPS5936076B2 JP52041023A JP4102377A JPS5936076B2 JP S5936076 B2 JPS5936076 B2 JP S5936076B2 JP 52041023 A JP52041023 A JP 52041023A JP 4102377 A JP4102377 A JP 4102377A JP S5936076 B2 JPS5936076 B2 JP S5936076B2
Authority
JP
Japan
Prior art keywords
bit
bearing
duct
journal
space
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
JP52041023A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52145302A (en
Inventor
ヨハンソン・カ−ル・エリツク
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.)
ESU KEE EFU IND TOREEDEINGU ANDO DEV CO BV
Original Assignee
ESU KEE EFU IND TOREEDEINGU ANDO DEV 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 ESU KEE EFU IND TOREEDEINGU ANDO DEV CO BV filed Critical ESU KEE EFU IND TOREEDEINGU ANDO DEV CO BV
Publication of JPS52145302A publication Critical patent/JPS52145302A/ja
Publication of JPS5936076B2 publication Critical patent/JPS5936076B2/ja
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • E21B10/246Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/20Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24Roller 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)
JP52041023A 1976-04-12 1977-04-12 ボ−リング用ビツト Expired JPS5936076B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7603835,A NL179409C (nl) 1976-04-12 1976-04-12 Boorbeitel voor gesteente.
NL000007603835 1976-04-12

Publications (2)

Publication Number Publication Date
JPS52145302A JPS52145302A (en) 1977-12-03
JPS5936076B2 true JPS5936076B2 (ja) 1984-09-01

Family

ID=19826003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52041023A Expired JPS5936076B2 (ja) 1976-04-12 1977-04-12 ボ−リング用ビツト

Country Status (12)

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

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
NL179409C (nl) 1986-09-01
JPS52145302A (en) 1977-12-03
FR2348358B3 (pt) 1980-01-18
GB1563533A (en) 1980-03-26
CA1064014A (en) 1979-10-09
NO771246L (no) 1977-10-13
AU2359777A (en) 1978-09-28
IT1076714B (it) 1985-04-27
SE7703246L (sv) 1977-10-13
SE433958B (sv) 1984-06-25
DE2715788A1 (de) 1977-10-20
AU514631B2 (en) 1981-02-19
FR2348358A1 (fr) 1977-11-10
NL7603835A (nl) 1977-10-14
ZA772203B (en) 1978-03-29
DE2715788C2 (de) 1986-06-26
NL179409B (nl) 1986-04-01

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