NL147357B - Steenboor. - Google Patents

Steenboor.

Info

Publication number
NL147357B
NL147357B NL6603310A NL6603310A NL147357B NL 147357 B NL147357 B NL 147357B NL 6603310 A NL6603310 A NL 6603310A NL 6603310 A NL6603310 A NL 6603310A NL 147357 B NL147357 B NL 147357B
Authority
NL
Netherlands
Prior art keywords
stone drill
drill
stone
Prior art date
Application number
NL6603310A
Other languages
English (en)
Other versions
NL6603310A (nl
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 NL6603310A publication Critical patent/NL6603310A/xx
Publication of NL147357B publication Critical patent/NL147357B/nl

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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
NL6603310A 1965-03-13 1966-03-14 Steenboor. NL147357B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH55459A DE1291707B (de) 1965-03-13 1965-03-13 Gesteinsbohrer

Publications (2)

Publication Number Publication Date
NL6603310A NL6603310A (nl) 1966-09-14
NL147357B true NL147357B (nl) 1975-10-15

Family

ID=7159043

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6603310A NL147357B (nl) 1965-03-13 1966-03-14 Steenboor.

Country Status (5)

Country Link
AT (1) AT263594B (nl)
CH (1) CH446240A (nl)
DE (1) DE1291707B (nl)
GB (1) GB1144331A (nl)
NL (1) NL147357B (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735227C2 (de) * 1977-08-04 1983-10-27 Hawera Probst Gmbh + Co, 7980 Ravensburg Gesteinsbohrer
DE2808885C2 (de) * 1978-03-02 1986-11-20 Hawera Probst Gmbh + Co, 7980 Ravensburg Drehschlagbohrer für Gestein und dergleichen
CH626557A5 (nl) * 1978-09-28 1981-11-30 Guex Philippe & Fils Sa
DE3834675A1 (de) * 1988-10-12 1990-04-19 Hawera Probst Kg Hartmetall Bohrwerkzeug
US5040620A (en) * 1990-10-11 1991-08-20 Nunley Dwight S Methods and apparatus for drilling subterranean wells
US5641028A (en) * 1995-08-10 1997-06-24 Black & Decker Inc. Drill bit with debris conveying flute

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE291398C (nl) *
DE1819813U (de) * 1960-01-22 1960-10-20 Schmidt Kranz & Co Maschb G M Bohrgestaenge.
DE1784215A1 (de) * 1968-07-18 1971-07-29 Fritz Feise Verwaltungs Gmbh Fenster mit einem Metall- oder Kunststoffprofilrahmen

Also Published As

Publication number Publication date
NL6603310A (nl) 1966-09-14
CH446240A (de) 1967-11-15
DE1291707B (de) 1969-04-03
GB1144331A (en) 1969-03-05
AT263594B (de) 1968-07-25

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HAWERA

V4 Lapsed because of reaching the maxim lifetime of a patent