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 (enrdf_load_stackoverflow
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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 1974-07-17
JPS5611838B2 JPS5611838B2 (enrdf_load_stackoverflow) 1981-03-17

Family

ID=23158746

Family Applications (1)

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

Country Status (5)

Country Link
US (1) US3921734A (enrdf_load_stackoverflow)
JP (1) JPS5611838B2 (enrdf_load_stackoverflow)
CA (1) CA1010019A (enrdf_load_stackoverflow)
GB (2) GB1421259A (enrdf_load_stackoverflow)
ZA (1) ZA737797B (enrdf_load_stackoverflow)

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 (11)

* 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
US4508184A (en) 1983-05-27 1985-04-02 Hansen Michael S Roller reamer/stabilizer
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
US6708786B2 (en) * 2001-05-08 2004-03-23 Smith International, Inc. 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 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 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
AU6125973A (en) 1975-04-17
US3921734A (en) 1975-11-25
JPS5611838B2 (enrdf_load_stackoverflow) 1981-03-17
GB1421260A (en) 1976-01-14
CA1010019A (en) 1977-05-10
GB1421259A (en) 1976-01-14
USB300353I5 (enrdf_load_stackoverflow) 1975-01-28

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