JPS4911704A - - Google Patents

Info

Publication number
JPS4911704A
JPS4911704A JP48026494A JP2649473A JPS4911704A JP S4911704 A JPS4911704 A JP S4911704A JP 48026494 A JP48026494 A JP 48026494A JP 2649473 A JP2649473 A JP 2649473A JP S4911704 A JPS4911704 A JP S4911704A
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.)
Pending
Application number
JP48026494A
Other languages
Japanese (ja)
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 JPS4911704A publication Critical patent/JPS4911704A/ja
Pending 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
    • E21B12/00—Accessories for drilling tools
    • E21B12/06—Mechanical cleaning devices
    • 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

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)
JP48026494A 1972-03-06 1973-03-06 Pending JPS4911704A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23215972A 1972-03-06 1972-03-06

Publications (1)

Publication Number Publication Date
JPS4911704A true JPS4911704A (de) 1974-02-01

Family

ID=22872104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48026494A Pending JPS4911704A (de) 1972-03-06 1973-03-06

Country Status (6)

Country Link
US (1) US3762486A (de)
JP (1) JPS4911704A (de)
AU (1) AU463698B2 (de)
DE (1) DE2311088A1 (de)
FR (1) FR2175080B1 (de)
GB (1) GB1390738A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51103604A (ja) * 1975-03-07 1976-09-13 Kato Seisakusho Kk Tatekokutsusakuhoho
US5450184A (en) * 1990-06-07 1995-09-12 Canon Kabushiki Kaisha Cleaning blade for electrophotography, cleaning device for electrophotography, apparatus unit, electrophotographic apparatus and facsimile apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125167A (en) * 1977-06-06 1978-11-14 Smith International, Inc. Big hole bit
US4248314A (en) * 1979-05-29 1981-02-03 Hughes Tool Company Shaft drill bit with overlapping cutter arrangement
NO921357L (no) * 1992-04-07 1993-10-08 Narvestad As Stein Anordning ved borhode paa en tunnellboremaskin
US20100078223A1 (en) * 2008-09-26 2010-04-01 Buske Robert J Plate structure for earth-boring tools, tools including plate structures and methods of forming such tools

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1686957A (en) * 1928-10-09 A cobpobatioef
US1391626A (en) * 1920-04-27 1921-09-20 Richard J Bequette Drill-head for well-driling apparatus
US1657608A (en) * 1925-09-14 1928-01-31 Guiberson Corp Well-drilling bit
US2041467A (en) * 1932-11-18 1936-05-19 Sara R Lorraine Bit cleaner
US2644671A (en) * 1947-03-04 1953-07-07 Martell D Ingram Rock drilling bit
US2654578A (en) * 1949-11-28 1953-10-06 William L Pearce Earth formation disintegrating drill
US3583503A (en) * 1969-03-12 1971-06-08 Lawrence Mfg Co Mounting head assembly
US3674314A (en) * 1970-01-07 1972-07-04 Jarva Inc Gage scraper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51103604A (ja) * 1975-03-07 1976-09-13 Kato Seisakusho Kk Tatekokutsusakuhoho
US5450184A (en) * 1990-06-07 1995-09-12 Canon Kabushiki Kaisha Cleaning blade for electrophotography, cleaning device for electrophotography, apparatus unit, electrophotographic apparatus and facsimile apparatus

Also Published As

Publication number Publication date
US3762486A (en) 1973-10-02
FR2175080A1 (de) 1973-10-19
DE2311088A1 (de) 1973-09-20
AU463698B2 (en) 1975-07-31
GB1390738A (en) 1975-04-16
AU5292373A (en) 1974-09-12
FR2175080B1 (de) 1977-08-12

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