FR2175080B1 - - Google Patents

Info

Publication number
FR2175080B1
FR2175080B1 FR7307950A FR7307950A FR2175080B1 FR 2175080 B1 FR2175080 B1 FR 2175080B1 FR 7307950 A FR7307950 A FR 7307950A FR 7307950 A FR7307950 A FR 7307950A FR 2175080 B1 FR2175080 B1 FR 2175080B1
Authority
FR
France
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.)
Expired
Application number
FR7307950A
Other languages
French (fr)
Other versions
FR2175080A1 (de
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.)
US Atomic Energy Commission (AEC)
Original Assignee
US Atomic Energy Commission (AEC)
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 US Atomic Energy Commission (AEC) filed Critical US Atomic Energy Commission (AEC)
Publication of FR2175080A1 publication Critical patent/FR2175080A1/fr
Application granted granted Critical
Publication of FR2175080B1 publication Critical patent/FR2175080B1/fr
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
    • 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)
FR7307950A 1972-03-06 1973-03-06 Expired FR2175080B1 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2175080A1 FR2175080A1 (de) 1973-10-19
FR2175080B1 true FR2175080B1 (de) 1977-08-12

Family

ID=22872104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7307950A Expired FR2175080B1 (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)

Families Citing this family (6)

* 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
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
JP2962843B2 (ja) * 1990-06-07 1999-10-12 キヤノン株式会社 クリーニングブレード及びこれを用いた装置
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

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
JPS4911704A (de) 1974-02-01

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Legal Events

Date Code Title Description
ST Notification of lapse