NL7507355A - Boorkop. - Google Patents

Boorkop.

Info

Publication number
NL7507355A
NL7507355A NL7507355A NL7507355A NL7507355A NL 7507355 A NL7507355 A NL 7507355A NL 7507355 A NL7507355 A NL 7507355A NL 7507355 A NL7507355 A NL 7507355A NL 7507355 A NL7507355 A NL 7507355A
Authority
NL
Netherlands
Prior art keywords
drill chuck
chuck
drill
Prior art date
Application number
NL7507355A
Other languages
English (en)
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 NL7507355A priority Critical patent/NL7507355A/nl
Priority to US05/693,508 priority patent/US4084649A/en
Priority to JP51067815A priority patent/JPS5916070B2/ja
Priority to FR7618702A priority patent/FR2316432A1/fr
Priority to NO762130A priority patent/NO152521C/no
Priority to GB25443/76A priority patent/GB1555251A/en
Priority to DE2627553A priority patent/DE2627553C3/de
Priority to IT50024/76A priority patent/IT1066154B/it
Publication of NL7507355A publication Critical patent/NL7507355A/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
    • E21B10/20—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

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NL7507355A 1975-06-20 1975-06-20 Boorkop. NL7507355A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL7507355A NL7507355A (nl) 1975-06-20 1975-06-20 Boorkop.
US05/693,508 US4084649A (en) 1975-06-20 1976-06-07 Rock bit
JP51067815A JPS5916070B2 (ja) 1975-06-20 1976-06-11 鑿岩用ビツト
FR7618702A FR2316432A1 (fr) 1975-06-20 1976-06-18 Trepan a molettes pour forage dans la croute terrestre
NO762130A NO152521C (no) 1975-06-20 1976-06-18 Fjellboreverktoey.
GB25443/76A GB1555251A (en) 1975-06-20 1976-06-18 Roller drill bit
DE2627553A DE2627553C3 (de) 1975-06-20 1976-06-19 Gesteinsbohrwerkzeug
IT50024/76A IT1066154B (it) 1975-06-20 1976-06-21 Punta da roccia per effettuare perforazioni nella crosta terrestre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7507355A NL7507355A (nl) 1975-06-20 1975-06-20 Boorkop.

Publications (1)

Publication Number Publication Date
NL7507355A true NL7507355A (nl) 1976-12-22

Family

ID=19823989

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7507355A NL7507355A (nl) 1975-06-20 1975-06-20 Boorkop.

Country Status (8)

Country Link
US (1) US4084649A (nl)
JP (1) JPS5916070B2 (nl)
DE (1) DE2627553C3 (nl)
FR (1) FR2316432A1 (nl)
GB (1) GB1555251A (nl)
IT (1) IT1066154B (nl)
NL (1) NL7507355A (nl)
NO (1) NO152521C (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO176528C (no) * 1992-02-17 1995-04-19 Kverneland Klepp As Anordning ved borekroner
EP2427626B1 (en) * 2009-05-08 2019-01-02 Transco Manufacturing Australia Pty Ltd Drilling equipment and attachment means for the same
US9234390B2 (en) * 2009-06-30 2016-01-12 Aktiebolaget Skf Bearing assembly for rotary drills
HUE047276T2 (hu) 2015-06-26 2020-04-28 Forum Us Inc Kosár kétsoros golyóscsapágyhoz
DE102016201703B4 (de) 2016-02-04 2022-02-10 Ford Global Technologies, Llc Verfahren zur Begrenzung und Verringerung einer mechanischen Belastung einer Dichtung einer selbstzündenden Brennkraftmaschine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB287040A (en) * 1927-03-12 1928-08-27 Bridgeport Machine Company Improvements in and relating to earth boring drills
US1792608A (en) * 1929-10-10 1931-02-17 Frederick H Schulenberg Violin-string tightener
US1961819A (en) * 1932-12-15 1934-06-05 Costa John B De Renewable rotary bit
US2065743A (en) * 1935-03-26 1936-12-29 Chicago Pneumatic Tool Co Roller bit
US2075997A (en) * 1935-06-25 1937-04-06 Chicago Pneumatic Tool Co Roller cutter, spindle and bearing assembly for earth boring drills
US2151347A (en) * 1938-02-14 1939-03-21 Rudolph Pageman Rotary drill bit
DE726937C (de) * 1940-05-09 1942-10-23 Soeding & Halbach J C Bohrer fuer Tiefbohrungen
US2339161A (en) * 1942-07-21 1944-01-11 Reed Roller Bit Co Cone bit construction
GB610917A (en) * 1946-04-09 1948-10-22 George Herbert Lanchester Improvements in rotary earth boring bits
GB725381A (en) * 1952-05-14 1955-03-02 Guszstahlwerk Bochumer Ver A G An improved drill head for boring earth and rock
DE1019623B (de) * 1956-02-13 1957-11-21 Dipl Berging Albrecht Graefer Bohrkopf
GB932205A (en) * 1959-08-28 1963-07-24 Padley & Venables Ltd Improvements in or relating to earth and rock drilling bits
US3550972A (en) * 1968-11-12 1970-12-29 Lawrence Mfg Co Rock bit assembly
US3601429A (en) * 1969-06-19 1971-08-24 Lawrence Mfg Co Pilot cutter mounting assembly

Also Published As

Publication number Publication date
US4084649A (en) 1978-04-18
GB1555251A (en) 1979-11-07
NO762130L (nl) 1976-12-21
JPS5916070B2 (ja) 1984-04-13
FR2316432A1 (fr) 1977-01-28
FR2316432B1 (nl) 1980-07-25
JPS522804A (en) 1977-01-10
NO152521C (no) 1985-10-09
DE2627553A1 (de) 1977-01-13
IT1066154B (it) 1985-03-04
DE2627553B2 (de) 1979-05-10
DE2627553C3 (de) 1980-01-10
NO152521B (no) 1985-07-01

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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
BI The patent application has been withdrawn