BR7702233A - Broca de perfuracao de rocha - Google Patents

Broca de perfuracao de rocha

Info

Publication number
BR7702233A
BR7702233A BR7702233A BR7702233A BR7702233A BR 7702233 A BR7702233 A BR 7702233A BR 7702233 A BR7702233 A BR 7702233A BR 7702233 A BR7702233 A BR 7702233A BR 7702233 A BR7702233 A BR 7702233A
Authority
BR
Brazil
Prior art keywords
rock drilling
drilling drill
drill
rock
drilling
Prior art date
Application number
BR7702233A
Other languages
English (en)
Portuguese (pt)
Inventor
C Johansson
Original Assignee
Skf Ind Trading & Dev
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 Ind Trading & Dev filed Critical Skf Ind Trading & Dev
Publication of BR7702233A publication Critical patent/BR7702233A/pt

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)
BR7702233A 1976-04-12 1977-04-06 Broca de perfuracao de rocha BR7702233A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7702233A true BR7702233A (pt) 1977-12-13

Family

ID=19826003

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7702233A BR7702233A (pt) 1976-04-12 1977-04-06 Broca de perfuracao de rocha

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
SE7703246L (sv) 1977-10-13
NL179409C (nl) 1986-09-01
SE433958B (sv) 1984-06-25
AU514631B2 (en) 1981-02-19
ZA772203B (en) 1978-03-29
AU2359777A (en) 1978-09-28
JPS5936076B2 (ja) 1984-09-01
FR2348358B3 (nl) 1980-01-18
NL7603835A (nl) 1977-10-14
DE2715788C2 (de) 1986-06-26
IT1076714B (it) 1985-04-27
NO771246L (no) 1977-10-13
NL179409B (nl) 1986-04-01
FR2348358A1 (fr) 1977-11-10
GB1563533A (en) 1980-03-26
DE2715788A1 (de) 1977-10-20
CA1064014A (en) 1979-10-09
JPS52145302A (en) 1977-12-03

Similar Documents

Publication Publication Date Title
MX143362A (es) Broca de diamante mejorada para perforar la tierra
PL202404A1 (pl) Koronka wiertnicza
NO152346C (no) Offshore-system for boring av borehull
NO151168C (no) Borkrone
AT356611B (de) Bohrmeissel
PL199630A1 (pl) Wiertnica do otworow kwadratowych
NO153742C (no) Rotasjons-borkrone.
AT369505B (de) Gesteinsbohrer
AT371563B (de) Gesteinsbohrer
NO151511C (no) Borkrone for fjellboring
AT373360B (de) Gesteinsbohrer
NL7706233A (nl) Grondboorbeitel.
BR8205983A (pt) Perfuratriz para rocha
JPS5329203A (en) Rock drilling bit
SE423253B (sv) Bergborranordning
AT383182B (de) Gesteinsbohrer
MX143147A (es) Broca de barrena mejorada
BR7901267A (pt) Perfuratriz para rocha
BR7702233A (pt) Broca de perfuracao de rocha
ATA359178A (de) Bohrkrone
MX148836A (es) Broca mejorada para la perforacion de tierra
SE7713089L (sv) Bergborrverktyg
ZA761651B (en) Rock drilling rigs
BR7700553A (pt) Aperfeicoamento em broca para perfuracao de terra
BR7701800A (pt) Aperfeicoamentos em broca para perfuracao do solo