FR2298679A1 - Trepan a rouleaux - Google Patents

Trepan a rouleaux

Info

Publication number
FR2298679A1
FR2298679A1 FR7601988A FR7601988A FR2298679A1 FR 2298679 A1 FR2298679 A1 FR 2298679A1 FR 7601988 A FR7601988 A FR 7601988A FR 7601988 A FR7601988 A FR 7601988A FR 2298679 A1 FR2298679 A1 FR 2298679A1
Authority
FR
France
Prior art keywords
trepan
roller
roller trepan
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7601988A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandco Ltd
Original Assignee
Sandco Ltd
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 Sandco Ltd filed Critical Sandco Ltd
Publication of FR2298679A1 publication Critical patent/FR2298679A1/fr
Withdrawn legal-status Critical Current

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
    • E21B10/10—Roller bits with roller axle supported at both ends
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill 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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging 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)
FR7601988A 1975-01-27 1976-01-26 Trepan a rouleaux Withdrawn FR2298679A1 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2298679A1 true FR2298679A1 (fr) 1976-08-20

Family

ID=20323494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601988A Withdrawn FR2298679A1 (fr) 1975-01-27 1976-01-26 Trepan a rouleaux

Country Status (13)

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

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
WO1997034071A1 (fr) * 1996-03-01 1997-09-18 Allen Kent Rives Elargisseur de trous monte en porte a faux
AU782643B2 (en) * 2001-05-08 2005-08-18 Sandvik Intellectual Property Ab Mounting attachment and bearing system for an industrial earth-boring cutter
ZA200203609B (en) * 2001-05-08 2002-12-12 Smith International Mounting attachment and bearing system for an industrial earth-boring cutter.
WO2005014968A1 (fr) * 2003-08-11 2005-02-17 Murray & Roberts Ruc Limited Trepan a molettes

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
AU500414B2 (en) 1979-05-24
SE7500816L (sv) 1976-07-28
ZM1176A1 (en) 1977-08-22
DE2602773C3 (de) 1978-07-13
US4004644A (en) 1977-01-25
AU1045776A (en) 1977-07-28
DE2602773A1 (de) 1976-07-29
GB1488231A (en) 1977-10-12
DE2602773B2 (de) 1977-12-01
JPS5199602A (fr) 1976-09-02
ZA76279B (en) 1977-01-26
FI760182A (fr) 1976-07-28
SE415994B (sv) 1980-11-17
IT1054471B (it) 1981-11-10
NO760242L (fr) 1976-07-28
CA1036151A (fr) 1978-08-08

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Legal Events

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CL Concession to grant licences
ST Notification of lapse
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