NL7018994A - - Google Patents

Info

Publication number
NL7018994A
NL7018994A NL7018994A NL7018994A NL7018994A NL 7018994 A NL7018994 A NL 7018994A NL 7018994 A NL7018994 A NL 7018994A NL 7018994 A NL7018994 A NL 7018994A NL 7018994 A NL7018994 A NL 7018994A
Authority
NL
Netherlands
Application number
NL7018994A
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 filed Critical
Publication of NL7018994A publication Critical patent/NL7018994A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/40Flutes, i.e. chip conveying grooves
    • B23B2251/406Flutes, i.e. chip conveying grooves of special form not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
NL7018994A 1969-12-30 1970-12-30 NL7018994A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691965606 DE1965606A1 (de) 1969-12-30 1969-12-30 Gesteinsbohrer

Publications (1)

Publication Number Publication Date
NL7018994A true NL7018994A (xx) 1971-07-02

Family

ID=5755324

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7018994A NL7018994A (xx) 1969-12-30 1970-12-30

Country Status (5)

Country Link
CH (1) CH520262A (xx)
DE (1) DE1965606A1 (xx)
FR (1) FR2074491A5 (xx)
GB (1) GB1338586A (xx)
NL (1) NL7018994A (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131794C2 (de) * 1980-08-29 1986-08-07 Toshiaki Osaka Hosoi Bohrer
US5172775A (en) * 1991-03-06 1992-12-22 Kennametal Inc. Rotary drill bit insert
DE4239311C2 (de) * 1992-11-23 1996-04-18 Guehring Joerg Dr Bohrer, insbesondere Spitzbohrwerkzeug mit austauschbarem Schneideinsatz
DE4407119A1 (de) * 1993-12-11 1995-06-14 Hawera Probst Kg Hartmetall Gesteinsbohrer
DE102006049088A1 (de) * 2006-10-13 2008-04-24 Kennametal Inc. Modulares Bohrwerkzeug und Verfahren zu seiner Herstellung
DE102007020051B4 (de) * 2007-04-27 2013-11-21 Irwin Industrial Tool Company Hartmetallplatte für Gesteinsbohrer und Gesteinsbohrer
US7900721B2 (en) 2008-11-03 2011-03-08 Irwin Industrial Tool Company Hard metal plate for rock drill and rock drill

Also Published As

Publication number Publication date
GB1338586A (en) 1973-11-28
FR2074491A5 (xx) 1971-10-01
CH520262A (de) 1972-03-15
DE1965606A1 (de) 1971-07-15

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