NL7603835A - Boorbeitel voor gesteente. - Google Patents

Boorbeitel voor gesteente.

Info

Publication number
NL7603835A
NL7603835A NL7603835A NL7603835A NL7603835A NL 7603835 A NL7603835 A NL 7603835A NL 7603835 A NL7603835 A NL 7603835A NL 7603835 A NL7603835 A NL 7603835A NL 7603835 A NL7603835 A NL 7603835A
Authority
NL
Netherlands
Prior art keywords
stone
drilling chisel
chisel
drilling
Prior art date
Application number
NL7603835A
Other languages
English (en)
Other versions
NL179409C (nl
NL179409B (nl
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
Priority to NLAANVRAGE7603835,A priority Critical patent/NL179409C/nl
Priority to SE7703246A priority patent/SE433958B/xx
Priority to AU23597/77A priority patent/AU514631B2/en
Priority to NO771246A priority patent/NO771246L/no
Priority to BR7702233A priority patent/BR7702233A/pt
Priority to DE2715788A priority patent/DE2715788C2/de
Priority to FR7710618A priority patent/FR2348358A1/fr
Priority to CA275,858A priority patent/CA1064014A/en
Priority to JP52041023A priority patent/JPS5936076B2/ja
Priority to IT22349/77A priority patent/IT1076714B/it
Priority to GB15169/77A priority patent/GB1563533A/en
Priority to ZA00772203A priority patent/ZA772203B/xx
Publication of NL7603835A publication Critical patent/NL7603835A/nl
Priority to US05/968,273 priority patent/US4211453A/en
Publication of NL179409B publication Critical patent/NL179409B/nl
Application granted granted Critical
Publication of NL179409C publication Critical patent/NL179409C/nl

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)
NLAANVRAGE7603835,A 1976-04-12 1976-04-12 Boorbeitel voor gesteente. NL179409C (nl)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NLAANVRAGE7603835,A NL179409C (nl) 1976-04-12 1976-04-12 Boorbeitel voor gesteente.
SE7703246A SE433958B (sv) 1976-04-12 1977-03-22 Bergborrkrona
AU23597/77A AU514631B2 (en) 1976-04-12 1977-03-24 Rock drill bit
BR7702233A BR7702233A (pt) 1976-04-12 1977-04-06 Broca de perfuracao de rocha
NO771246A NO771246L (no) 1976-04-12 1977-04-06 Borekrone.
FR7710618A FR2348358A1 (fr) 1976-04-12 1977-04-07 Trepan de forage
DE2715788A DE2715788C2 (de) 1976-04-12 1977-04-07 Bohrkrone
CA275,858A CA1064014A (en) 1976-04-12 1977-04-07 Rock drill bit
JP52041023A JPS5936076B2 (ja) 1976-04-12 1977-04-12 ボ−リング用ビツト
IT22349/77A IT1076714B (it) 1976-04-12 1977-04-12 Scalpello perforatore per eseguire fori nella roccia della crostra terrestre
GB15169/77A GB1563533A (en) 1976-04-12 1977-04-12 Drill bit
ZA00772203A ZA772203B (en) 1976-04-12 1977-04-12 Rock drill bit
US05/968,273 US4211453A (en) 1976-04-12 1978-12-11 Rock drill bit lubrication system

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 (3)

Publication Number Publication Date
NL7603835A true NL7603835A (nl) 1977-10-14
NL179409B NL179409B (nl) 1986-04-01
NL179409C NL179409C (nl) 1986-09-01

Family

ID=19826003

Family Applications (1)

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

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249781A (en) * 1977-12-14 1981-02-10 Skf Kugellagerfabriken Gmbh Rotary drilling bit with conically shaped rotary cutters

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249781A (en) * 1977-12-14 1981-02-10 Skf Kugellagerfabriken Gmbh Rotary drilling bit with conically shaped rotary cutters

Also Published As

Publication number Publication date
ZA772203B (en) 1978-03-29
NL179409C (nl) 1986-09-01
JPS5936076B2 (ja) 1984-09-01
DE2715788A1 (de) 1977-10-20
AU514631B2 (en) 1981-02-19
DE2715788C2 (de) 1986-06-26
FR2348358B3 (nl) 1980-01-18
FR2348358A1 (fr) 1977-11-10
NO771246L (no) 1977-10-13
NL179409B (nl) 1986-04-01
SE433958B (sv) 1984-06-25
JPS52145302A (en) 1977-12-03
CA1064014A (en) 1979-10-09
BR7702233A (pt) 1977-12-13
IT1076714B (it) 1985-04-27
GB1563533A (en) 1980-03-26
AU2359777A (en) 1978-09-28
SE7703246L (sv) 1977-10-13

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee