CA1220059A - Outil de foration a deux dents, et ses mises, pour le travail a la remontee verticale - Google Patents

Outil de foration a deux dents, et ses mises, pour le travail a la remontee verticale

Info

Publication number
CA1220059A
CA1220059A CA000461321A CA461321A CA1220059A CA 1220059 A CA1220059 A CA 1220059A CA 000461321 A CA000461321 A CA 000461321A CA 461321 A CA461321 A CA 461321A CA 1220059 A CA1220059 A CA 1220059A
Authority
CA
Canada
Prior art keywords
bit
face
inserts
cutting edges
degrees
Prior art date
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
CA000461321A
Other languages
English (en)
Inventor
Edmund Isakov
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.)
Kennametal Inc
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
Application granted granted Critical
Publication of CA1220059A publication Critical patent/CA1220059A/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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • 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
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • 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
    • E21B10/58—Chisel-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CA000461321A 1983-10-03 1984-08-20 Outil de foration a deux dents, et ses mises, pour le travail a la remontee verticale Expired CA1220059A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53876583A 1983-10-03 1983-10-03
US538,765 1983-10-03

Publications (1)

Publication Number Publication Date
CA1220059A true CA1220059A (fr) 1987-04-07

Family

ID=24148333

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000461321A Expired CA1220059A (fr) 1983-10-03 1984-08-20 Outil de foration a deux dents, et ses mises, pour le travail a la remontee verticale

Country Status (5)

Country Link
AU (1) AU571262B2 (fr)
CA (1) CA1220059A (fr)
DE (1) DE3436128C2 (fr)
GB (1) GB2149329B (fr)
ZA (1) ZA846838B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5180022A (en) * 1991-05-23 1993-01-19 Brady William J Rotary mining tools
DE4134425A1 (de) * 1991-10-18 1993-04-22 Boart Hwf Gmbh Co Kg Drehbohrkopf mit an tragelementen durch loeten befestigten schneidplatten
AU717071B1 (en) * 1999-10-29 2000-03-16 Sandvik Intellectual Property Ab Self drilling roof bolt
US6637521B2 (en) * 2001-07-11 2003-10-28 Hilti Aktiengesellschaft Earth borer
DE102006000085B3 (de) * 2006-02-21 2007-10-11 Hilti Ag Bohrkopf

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1050116A (fr) *
US1858988A (en) * 1928-04-23 1932-05-17 Reed Roller Bit Co Drill bit
DE612147C (de) * 1930-08-29 1935-04-13 Gewerkschaft Wallram Gesteinsbohrer
GB669636A (en) * 1947-07-04 1952-04-09 Louis Camille Andre Gardelle Improvements in or relating to rock drills
GB685967A (en) * 1950-12-02 1953-01-14 Jessop William & Sons Ltd Improvements in or relating to rotary bits for coal and like drilling
GB705020A (en) * 1952-04-28 1954-03-03 Cons Pneumatic Tool Company Lt Improvements relating to rotary bits for wet drilling coal and other hard substances
GB736982A (en) * 1952-10-25 1955-09-14 Howard & Dennis Ltd Improvements in cutters for mowing and like machines
GB822029A (en) * 1956-03-15 1959-10-21 Coal Industry Patents Ltd Improvements in or relating to scroll-type drilling tools
AT223151B (de) * 1960-08-16 1962-09-10 Hard Metals Ltd Drehschneidwerkzeug
FR2194512B3 (fr) * 1972-07-27 1976-07-09 Tarmac Engineering Ltd
DE2718920A1 (de) * 1977-04-28 1978-11-09 Wallram Hartmetall Gmbh Gesteinsbohrkrone
ZA782286B (en) * 1978-04-21 1979-10-31 Christensen Inc Abrasive bodies
FR2479825A1 (fr) * 1980-04-04 1981-10-09 Fabre Sa Pierre Benzodioxanne 1,4 methoxy-2 propanolamines, leur preparation et leur application en tant que medicaments
DE8107329U1 (de) * 1980-05-08 1981-08-13 Marwin Cutting Tools Ltd., Rothley, Leicestershire "maschinen-schneidwerkzeug"

Also Published As

Publication number Publication date
GB2149329B (en) 1987-10-21
DE3436128A1 (de) 1985-04-25
AU3273684A (en) 1985-04-18
GB8421443D0 (en) 1984-09-26
GB2149329A (en) 1985-06-12
AU571262B2 (en) 1988-04-14
ZA846838B (en) 1985-04-24
DE3436128C2 (de) 1986-08-14

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Legal Events

Date Code Title Description
MKEX Expiry