EP0326176A3 - Verstärkter Drehbohrmeissel - Google Patents

Verstärkter Drehbohrmeissel Download PDF

Info

Publication number
EP0326176A3
EP0326176A3 EP89101527A EP89101527A EP0326176A3 EP 0326176 A3 EP0326176 A3 EP 0326176A3 EP 89101527 A EP89101527 A EP 89101527A EP 89101527 A EP89101527 A EP 89101527A EP 0326176 A3 EP0326176 A3 EP 0326176A3
Authority
EP
European Patent Office
Prior art keywords
bit
drill bit
rotary drill
protrusion
main body
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.)
Withdrawn
Application number
EP89101527A
Other languages
English (en)
French (fr)
Other versions
EP0326176A2 (de
Inventor
Royce A. Anthon
Dewayne C. Fox
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.)
Norton Christensen Inc
Original Assignee
Norton Christensen 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 Norton Christensen Inc filed Critical Norton Christensen Inc
Publication of EP0326176A2 publication Critical patent/EP0326176A2/de
Publication of EP0326176A3 publication Critical patent/EP0326176A3/de
Withdrawn legal-status Critical Current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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
EP89101527A 1988-01-28 1989-01-30 Verstärkter Drehbohrmeissel Withdrawn EP0326176A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14937488A 1988-01-28 1988-01-28
US149374 1988-01-28

Publications (2)

Publication Number Publication Date
EP0326176A2 EP0326176A2 (de) 1989-08-02
EP0326176A3 true EP0326176A3 (de) 1990-03-21

Family

ID=22529996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89101527A Withdrawn EP0326176A3 (de) 1988-01-28 1989-01-30 Verstärkter Drehbohrmeissel

Country Status (3)

Country Link
EP (1) EP0326176A3 (de)
AU (1) AU612224B2 (de)
CA (1) CA1314866C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1314866C (en) * 1988-01-28 1993-03-23 Royce A. Anthon Reinforced rotary drill bit
US5007493A (en) * 1990-02-23 1991-04-16 Dresser Industries, Inc. Drill bit having improved cutting element retention system
US5213171A (en) * 1991-09-23 1993-05-25 Smith International, Inc. Diamond drag bit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0032428A1 (de) * 1980-01-10 1981-07-22 Stonehouse U.K. Limited Drehbohrmeissel
EP0145421A2 (de) * 1983-12-03 1985-06-19 Reed Tool Company Limited Herstellung von Drehbohrwerkzeugen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397361A (en) * 1981-06-01 1983-08-09 Dresser Industries, Inc. Abradable cutter protection
US4787466A (en) * 1986-10-06 1988-11-29 Tomlinson Peter N Cutting component
CA1314866C (en) * 1988-01-28 1993-03-23 Royce A. Anthon Reinforced rotary drill bit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0032428A1 (de) * 1980-01-10 1981-07-22 Stonehouse U.K. Limited Drehbohrmeissel
EP0145421A2 (de) * 1983-12-03 1985-06-19 Reed Tool Company Limited Herstellung von Drehbohrwerkzeugen

Also Published As

Publication number Publication date
EP0326176A2 (de) 1989-08-02
CA1314866C (en) 1993-03-23
AU2887589A (en) 1989-08-03
AU612224B2 (en) 1991-07-04

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