JPS4974101A - - Google Patents

Info

Publication number
JPS4974101A
JPS4974101A JP48116275A JP11627573A JPS4974101A JP S4974101 A JPS4974101 A JP S4974101A JP 48116275 A JP48116275 A JP 48116275A JP 11627573 A JP11627573 A JP 11627573A JP S4974101 A JPS4974101 A JP S4974101A
Authority
JP
Japan
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.)
Granted
Application number
JP48116275A
Other languages
Japanese (ja)
Other versions
JPS5611838B2 (e
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 filed Critical
Publication of JPS4974101A publication Critical patent/JPS4974101A/ja
Publication of JPS5611838B2 publication Critical patent/JPS5611838B2/ja
Expired 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

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)
  • Drilling And Boring (AREA)
JP11627573A 1972-10-17 1973-10-16 Expired JPS5611838B2 (e)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US300353A US3921734A (en) 1972-10-17 1972-10-17 Raise boring head and rolling cutter arrangement therefor

Publications (2)

Publication Number Publication Date
JPS4974101A true JPS4974101A (e) 1974-07-17
JPS5611838B2 JPS5611838B2 (e) 1981-03-17

Family

ID=23158746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11627573A Expired JPS5611838B2 (e) 1972-10-17 1973-10-16

Country Status (5)

Country Link
US (1) US3921734A (e)
JP (1) JPS5611838B2 (e)
CA (1) CA1010019A (e)
GB (2) GB1421260A (e)
ZA (1) ZA737797B (e)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017143479A (ja) * 2016-02-12 2017-08-17 シャープ株式会社 音声信号送信装置、音声信号送信方法、制御プログラム、およびコンピュータ読み取り可能な記録媒体

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049067A (en) * 1975-11-05 1977-09-20 Ingersoll-Rand Company Cutter mounting extension apparatus
US4142593A (en) * 1977-10-25 1979-03-06 Smith International, Inc. Raise drill inner yoke bridge
US4241799A (en) * 1979-10-17 1980-12-30 Hughes Tool Company Protected cutter mounting for drill bits
US4630693A (en) * 1985-04-15 1986-12-23 Goodfellow Robert D Rotary cutter assembly
US4760890A (en) * 1987-05-18 1988-08-02 Tamrock Inc. Cutter assembly for rotary boring of earth
ZA200203609B (en) * 2001-05-08 2002-12-12 Smith International Mounting attachment and bearing system for an industrial earth-boring cutter.
US9279232B2 (en) * 2012-10-12 2016-03-08 Caterpillar Inc. Front head nut pocket configuration for hydraulic hammer
US8973909B2 (en) 2013-08-01 2015-03-10 Hendrickson Usa, L.L.C. Cross arm bushing assembly useful for vehicle suspension
CN106440548A (zh) * 2016-11-11 2017-02-22 珠海格力电器股份有限公司 一种分液头及空调
USD934056S1 (en) * 2017-11-21 2021-10-26 Iron Grip Holdings Pty Limited Stabilisation ring segment for an underground reamer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017001A (e) * 1973-06-12 1975-02-22

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695771A (en) * 1951-05-04 1954-11-30 Grant Oil Tool Company Tool for removing material from well bore walls
US3385385A (en) * 1966-04-01 1968-05-28 Reed Roller Bit Co Drill bit
US3461983A (en) * 1967-06-28 1969-08-19 Dresser Ind Cutting tool having hard insert in hole surrounded by hard facing
US3601207A (en) * 1969-05-19 1971-08-24 Lawrence Mfg Co Cutter assembly
US3638740A (en) * 1970-03-30 1972-02-01 Murphy Ind Inc G W Raise drilling bit
US3705635A (en) * 1971-01-13 1972-12-12 Dresser Ind Large diameter earth boring bit
ZA714204B (en) * 1971-06-28 1972-03-29 Mcdonnell P Ltd Improvements in or relating to rotary cutters
US3749188A (en) * 1971-08-20 1973-07-31 G W Murphy Indu Inc Drill bit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017001A (e) * 1973-06-12 1975-02-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017143479A (ja) * 2016-02-12 2017-08-17 シャープ株式会社 音声信号送信装置、音声信号送信方法、制御プログラム、およびコンピュータ読み取り可能な記録媒体

Also Published As

Publication number Publication date
ZA737797B (en) 1974-08-28
JPS5611838B2 (e) 1981-03-17
AU6125973A (en) 1975-04-17
USB300353I5 (e) 1975-01-28
GB1421260A (en) 1976-01-14
CA1010019A (en) 1977-05-10
US3921734A (en) 1975-11-25
GB1421259A (en) 1976-01-14

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