IT1066154B - Punta da roccia per effettuare perforazioni nella crosta terrestre - Google Patents

Punta da roccia per effettuare perforazioni nella crosta terrestre

Info

Publication number
IT1066154B
IT1066154B IT50024/76A IT5002476A IT1066154B IT 1066154 B IT1066154 B IT 1066154B IT 50024/76 A IT50024/76 A IT 50024/76A IT 5002476 A IT5002476 A IT 5002476A IT 1066154 B IT1066154 B IT 1066154B
Authority
IT
Italy
Prior art keywords
rock point
make perforations
ground crust
crust
ground
Prior art date
Application number
IT50024/76A
Other languages
English (en)
Inventor
Bertil Van Nederveen Hans
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
Application granted granted Critical
Publication of IT1066154B publication Critical patent/IT1066154B/it

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)
IT50024/76A 1975-06-20 1976-06-21 Punta da roccia per effettuare perforazioni nella crosta terrestre IT1066154B (it)

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
IT1066154B true IT1066154B (it) 1985-03-04

Family

ID=19823989

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50024/76A IT1066154B (it) 1975-06-20 1976-06-21 Punta da roccia per effettuare perforazioni nella crosta terrestre

Country Status (8)

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

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
DK2427626T3 (en) * 2009-05-08 2019-03-04 Transco Mfg Australia Pty Ltd DRILLING EQUIPMENT AND MOVING PARTS THEREOF
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
DE2627553C3 (de) 1980-01-10
JPS522804A (en) 1977-01-10
NO762130L (it) 1976-12-21
FR2316432B1 (it) 1980-07-25
DE2627553A1 (de) 1977-01-13
DE2627553B2 (de) 1979-05-10
JPS5916070B2 (ja) 1984-04-13
NL7507355A (nl) 1976-12-22
NO152521C (no) 1985-10-09
NO152521B (no) 1985-07-01
FR2316432A1 (fr) 1977-01-28

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