CH520262A - Rock drill - Google Patents

Rock drill

Info

Publication number
CH520262A
CH520262A CH1855170A CH1855170A CH520262A CH 520262 A CH520262 A CH 520262A CH 1855170 A CH1855170 A CH 1855170A CH 1855170 A CH1855170 A CH 1855170A CH 520262 A CH520262 A CH 520262A
Authority
CH
Switzerland
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
CH1855170A
Other languages
German (de)
Inventor
Kuch Josef
Original Assignee
Hawera Probst Kg Hartmetall
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 Hawera Probst Kg Hartmetall filed Critical Hawera Probst Kg Hartmetall
Publication of CH520262A publication Critical patent/CH520262A/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
    • E21B10/36—Percussion drill bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, 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)
CH1855170A 1969-12-30 1970-12-16 Rock drill CH520262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691965606 DE1965606A1 (en) 1969-12-30 1969-12-30 Rock drill

Publications (1)

Publication Number Publication Date
CH520262A true CH520262A (en) 1972-03-15

Family

ID=5755324

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1855170A CH520262A (en) 1969-12-30 1970-12-16 Rock drill

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131794C2 (en) * 1980-08-29 1986-08-07 Toshiaki Osaka Hosoi drill
US5172775A (en) * 1991-03-06 1992-12-22 Kennametal Inc. Rotary drill bit insert
DE4239311C2 (en) * 1992-11-23 1996-04-18 Guehring Joerg Dr Drills, especially pointed drilling tools with exchangeable cutting inserts
DE4407119A1 (en) * 1993-12-11 1995-06-14 Hawera Probst Kg Hartmetall Rock drill
DE102006049088A1 (en) * 2006-10-13 2008-04-24 Kennametal Inc. Modular drilling tool and method for its manufacture
DE102007020051B4 (en) * 2007-04-27 2013-11-21 Irwin Industrial Tool Company Hard metal plate for rock drills and rock drills
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
NL7018994A (en) 1971-07-02
FR2074491A5 (en) 1971-10-01
DE1965606A1 (en) 1971-07-15

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Legal Events

Date Code Title Description
PL Patent ceased