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ZA746696B - Big hole cutter - Google Patents

Big hole cutter

Info

Publication number
ZA746696B
ZA746696B ZA00746696A ZA746696A ZA746696B ZA 746696 B ZA746696 B ZA 746696B ZA 00746696 A ZA00746696 A ZA 00746696A ZA 746696 A ZA746696 A ZA 746696A ZA 746696 B ZA746696 B ZA 746696B
Authority
ZA
South Africa
Prior art keywords
big hole
hole cutter
cutter
big
hole
Prior art date
Application number
ZA00746696A
Inventor
R Goodfellow
Original Assignee
Kennametal Inc
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 Kennametal Inc filed Critical Kennametal Inc
Publication of ZA746696B publication Critical patent/ZA746696B/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
    • E21B10/26—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)
ZA00746696A 1973-11-01 1974-10-22 Big hole cutter ZA746696B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US411743A US3858667A (en) 1973-11-01 1973-11-01 Big hole cutter

Publications (1)

Publication Number Publication Date
ZA746696B true ZA746696B (en) 1975-11-26

Family

ID=23630136

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00746696A ZA746696B (en) 1973-11-01 1974-10-22 Big hole cutter

Country Status (3)

Country Link
US (1) US3858667A (en)
CA (1) CA1010442A (en)
ZA (1) ZA746696B (en)

Families Citing this family (9)

* 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
US4177866A (en) * 1978-05-30 1979-12-11 Dresser Industries, Inc. System for boring raises having portions of different diameters
SE463110B (en) * 1979-02-02 1990-10-08 Sandvik Ab SETTING AND DEVICE FOR STIGORTS DRIVING
US4365677A (en) * 1979-04-20 1982-12-28 The Robbins Company Earth boring apparatus
US4301876A (en) * 1979-08-24 1981-11-24 Smith International, Inc. Non-rotating stabilizer for raise boring
US4832135A (en) * 1988-02-29 1989-05-23 Baker Hughes Incorporated Flow through raise boring bit
US5295735A (en) * 1992-06-10 1994-03-22 Cobbs David C Rock saw
SA108290829B1 (en) * 2007-12-21 2012-01-24 بيكر هوغيس انكوربوريتد Reamer with Balanced Cutting Structure for Use in A Wellbore
EP3101216B1 (en) * 2015-06-01 2018-05-16 Sandvik Intellectual Property AB Boring head for rotary boring

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664273A (en) * 1950-04-28 1953-12-29 Merrick Charles Clark Earth cutting tool
US2823900A (en) * 1955-11-04 1958-02-18 Kandle Charles William Vertical reamer
US3011567A (en) * 1956-11-26 1961-12-05 Gilbert M Turner Method of drilling horizontal bores employing a gel-forming colloidal drilling fluid
US3231029A (en) * 1963-10-28 1966-01-25 Robbins & Assoc James S Articulated drilling shafts for raise drilling
US3675729A (en) * 1970-05-08 1972-07-11 Smith International Bit lubrication system
US3750767A (en) * 1971-05-24 1973-08-07 Hughes Tool Co Rolling cutter mounting in big hole reaming bit

Also Published As

Publication number Publication date
US3858667A (en) 1975-01-07
CA1010442A (en) 1977-05-17

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