SE415994B - Anordning vid rullborrkronor - Google Patents

Anordning vid rullborrkronor

Info

Publication number
SE415994B
SE415994B SE7500816A SE7500816A SE415994B SE 415994 B SE415994 B SE 415994B SE 7500816 A SE7500816 A SE 7500816A SE 7500816 A SE7500816 A SE 7500816A SE 415994 B SE415994 B SE 415994B
Authority
SE
Sweden
Prior art keywords
drill
roll
roll drill
Prior art date
Application number
SE7500816A
Other languages
English (en)
Other versions
SE7500816L (sv
Inventor
B S Liljekvist
Original Assignee
Sandvik Ab
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 Sandvik Ab filed Critical Sandvik Ab
Priority to SE7500816A priority Critical patent/SE415994B/sv
Priority to ZA279A priority patent/ZA76279B/xx
Priority to AU10457/76A priority patent/AU500414B2/en
Priority to IT19496/76A priority patent/IT1054471B/it
Priority to CA244,239A priority patent/CA1036151A/en
Priority to GB2934/76A priority patent/GB1488231A/en
Priority to DE2602773A priority patent/DE2602773C3/de
Priority to JP51007854A priority patent/JPS5199602A/ja
Priority to FR7601988A priority patent/FR2298679A1/fr
Priority to ZM11/76A priority patent/ZM1176A1/xx
Priority to NO760242A priority patent/NO760242L/no
Priority to US05/652,864 priority patent/US4004644A/en
Priority to FI760182A priority patent/FI760182A/fi
Publication of SE7500816L publication Critical patent/SE7500816L/sv
Publication of SE415994B publication Critical patent/SE415994B/sv

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
    • E21B10/10Roller bits with roller axle supported at both ends
    • 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
    • E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • 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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/28Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
SE7500816A 1975-01-27 1975-01-27 Anordning vid rullborrkronor SE415994B (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE7500816A SE415994B (sv) 1975-01-27 1975-01-27 Anordning vid rullborrkronor
ZA279A ZA76279B (en) 1975-01-27 1976-01-19 Roller cutter
AU10457/76A AU500414B2 (en) 1975-01-27 1976-01-21 Drill bit cutter assembly
IT19496/76A IT1054471B (it) 1975-01-27 1976-01-22 Fresa a rulli
CA244,239A CA1036151A (en) 1975-01-27 1976-01-26 Roller cutter
GB2934/76A GB1488231A (en) 1975-01-27 1976-01-26 Drill bit cutter assemblies
DE2602773A DE2602773C3 (de) 1975-01-27 1976-01-26 Drillbohrschneidenanordnung
JP51007854A JPS5199602A (sv) 1975-01-27 1976-01-26
FR7601988A FR2298679A1 (fr) 1975-01-27 1976-01-26 Trepan a rouleaux
ZM11/76A ZM1176A1 (en) 1975-01-27 1976-01-26 Roller cutters for drill bit assemblies
NO760242A NO760242L (sv) 1975-01-27 1976-01-26
US05/652,864 US4004644A (en) 1975-01-27 1976-01-27 Roller cutter
FI760182A FI760182A (sv) 1975-01-27 1976-01-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7500816A SE415994B (sv) 1975-01-27 1975-01-27 Anordning vid rullborrkronor

Publications (2)

Publication Number Publication Date
SE7500816L SE7500816L (sv) 1976-07-28
SE415994B true SE415994B (sv) 1980-11-17

Family

ID=20323494

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7500816A SE415994B (sv) 1975-01-27 1975-01-27 Anordning vid rullborrkronor

Country Status (13)

Country Link
US (1) US4004644A (sv)
JP (1) JPS5199602A (sv)
AU (1) AU500414B2 (sv)
CA (1) CA1036151A (sv)
DE (1) DE2602773C3 (sv)
FI (1) FI760182A (sv)
FR (1) FR2298679A1 (sv)
GB (1) GB1488231A (sv)
IT (1) IT1054471B (sv)
NO (1) NO760242L (sv)
SE (1) SE415994B (sv)
ZA (1) ZA76279B (sv)
ZM (1) ZM1176A1 (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359114A (en) * 1980-12-10 1982-11-16 Robbins Machine, Inc. Raise drill bit inboard cutter assembly
SE440678B (sv) * 1981-03-31 1985-08-12 Sandvik Ab Festanordning for skerrulle vid borrhuvud for roterande borrning
US5328274A (en) * 1992-06-26 1994-07-12 Vooner Vacuum Pumps, Inc. Liquid ring vacuum pump-compressor with self aligning removable bearing bracket
US5423614A (en) * 1992-06-26 1995-06-13 Vooner Vacuum Pumps, Inc. Self aligning removable bearing carrier for a liquid ring vacuum pump
US5487435A (en) * 1994-07-07 1996-01-30 Baker Hughes Incorporated Mounting system for raise and shaft cutters
GB2314869B (en) * 1996-03-01 2000-08-16 Allen Kent Rives Cantilevered hole opener
US6708786B2 (en) * 2001-05-08 2004-03-23 Smith International, Inc. Mounting attachment and bearing system for an industrial earth-boring cutter
AU782643B2 (en) * 2001-05-08 2005-08-18 Sandvik Intellectual Property Ab Mounting attachment and bearing system for an industrial earth-boring cutter
WO2005014968A1 (en) * 2003-08-11 2005-02-17 Murray & Roberts Ruc Limited Roller cutter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054466A (en) * 1959-09-21 1962-09-18 Drilprodco Inc Roller assemblies
US3612196A (en) * 1970-05-01 1971-10-12 Smith International Rock-boring cutter
US3749188A (en) * 1971-08-20 1973-07-31 G W Murphy Indu Inc Drill bit
US3747999A (en) * 1972-02-09 1973-07-24 Murphy Ind Inc G W Rotary cutter for earth boring bits
US3835944A (en) * 1973-06-12 1974-09-17 Hard Metals Ltd Cutting unit for use on rock boring machines

Also Published As

Publication number Publication date
IT1054471B (it) 1981-11-10
DE2602773B2 (de) 1977-12-01
JPS5199602A (sv) 1976-09-02
AU1045776A (en) 1977-07-28
GB1488231A (en) 1977-10-12
CA1036151A (en) 1978-08-08
US4004644A (en) 1977-01-25
ZM1176A1 (en) 1977-08-22
NO760242L (sv) 1976-07-28
DE2602773A1 (de) 1976-07-29
ZA76279B (en) 1977-01-26
FR2298679A1 (fr) 1976-08-20
AU500414B2 (en) 1979-05-24
SE7500816L (sv) 1976-07-28
FI760182A (sv) 1976-07-28
DE2602773C3 (de) 1978-07-13

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