IT962730B - DRILL WITH REVOLVING KNIVES - Google Patents

DRILL WITH REVOLVING KNIVES

Info

Publication number
IT962730B
IT962730B IT26881/72A IT2688172A IT962730B IT 962730 B IT962730 B IT 962730B IT 26881/72 A IT26881/72 A IT 26881/72A IT 2688172 A IT2688172 A IT 2688172A IT 962730 B IT962730 B IT 962730B
Authority
IT
Italy
Prior art keywords
drill
revolving knives
knives
revolving
Prior art date
Application number
IT26881/72A
Other languages
Italian (it)
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of IT962730B publication Critical patent/IT962730B/en

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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • 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

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)
IT26881/72A 1971-07-12 1972-07-12 DRILL WITH REVOLVING KNIVES IT962730B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US161453A US3905432A (en) 1971-07-12 1971-07-12 Auger with rotatable cutters

Publications (1)

Publication Number Publication Date
IT962730B true IT962730B (en) 1973-12-31

Family

ID=22581231

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26881/72A IT962730B (en) 1971-07-12 1972-07-12 DRILL WITH REVOLVING KNIVES

Country Status (7)

Country Link
US (1) US3905432A (en)
AU (1) AU476723B2 (en)
CA (1) CA1002512A (en)
FR (1) FR2151834A5 (en)
GB (1) GB1399633A (en)
IT (1) IT962730B (en)
ZA (1) ZA722999B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998283A (en) * 1975-12-15 1976-12-21 Reed Tool Company Earth boring auger
US3998282A (en) * 1975-12-15 1976-12-21 Reed Tool Company Earth boring auger
ES488902A0 (en) * 1980-02-25 1980-12-01 Pellicer Carlos F IMPROVEMENTS IN THE TOOLS FOR DRILLING MATERIALS PETREAS
DE10158603C1 (en) * 2001-11-29 2003-06-05 Man Takraf Foerdertechnik Gmbh Mini Diskmeissel
US8418784B2 (en) * 2010-05-11 2013-04-16 David R. Hall Central cutting region of a drilling head assembly
RU2689966C1 (en) * 2015-06-22 2019-05-29 Сандвик Интеллекчуал Проперти Аб Cutting assembly with rolling elements and disassembly method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US893950A (en) * 1908-03-17 1908-07-21 William H C Jaques Mining-tool.
US1747908A (en) * 1923-08-11 1930-02-18 Universal Rotary Bit Company Rotary drill bit
US2085336A (en) * 1932-12-21 1937-06-29 Harvey D Sandstone Rotary excavator
US2184108A (en) * 1935-12-20 1939-12-19 Swan M Akeyson Reamer
US3024856A (en) * 1957-11-25 1962-03-13 Frederick E Henning Rock and earth-drilling auger with interchangeable cutting inserts
US3043383A (en) * 1959-05-28 1962-07-10 Trainer Associates Inc Ground-drilling auger
US3094179A (en) * 1960-02-11 1963-06-18 Lines Raydon Ayers Device for dry boring soil or the like
US3092190A (en) * 1960-04-04 1963-06-04 Gruere Charles Large diameter earth drill
US3172489A (en) * 1963-11-20 1965-03-09 Hughes Tool Co Earth boring drill with cutting remover

Also Published As

Publication number Publication date
AU4198272A (en) 1973-12-20
GB1399633A (en) 1975-07-02
FR2151834A5 (en) 1973-04-20
AU476723B2 (en) 1976-09-30
CA1002512A (en) 1976-12-28
US3905432A (en) 1975-09-16
ZA722999B (en) 1973-02-28

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