NL6603310A - - Google Patents

Info

Publication number
NL6603310A
NL6603310A NL6603310A NL6603310A NL6603310A NL 6603310 A NL6603310 A NL 6603310A NL 6603310 A NL6603310 A NL 6603310A NL 6603310 A NL6603310 A NL 6603310A NL 6603310 A NL6603310 A NL 6603310A
Authority
NL
Netherlands
Application number
NL6603310A
Other versions
NL147357B (nl
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 NL6603310A publication Critical patent/NL6603310A/xx
Publication of NL147357B publication Critical patent/NL147357B/xx

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 true NL6603310A (de) 1966-09-14
NL147357B 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 (de)
CH (1) CH446240A (de)
DE (1) DE1291707B (de)
GB (1) GB1144331A (de)
NL (1) NL147357B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210215A (en) * 1977-08-04 1980-07-01 Hawera Probst Gmbh & Co. Rock drill with helical dust conveying groove
US5641028A (en) * 1995-08-10 1997-06-24 Black & Decker Inc. Drill bit with debris conveying flute

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808885C2 (de) * 1978-03-02 1986-11-20 Hawera Probst Gmbh + Co, 7980 Ravensburg Drehschlagbohrer für Gestein und dergleichen
CH626557A5 (de) * 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE291398C (de) *
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210215A (en) * 1977-08-04 1980-07-01 Hawera Probst Gmbh & Co. Rock drill with helical dust conveying groove
US5641028A (en) * 1995-08-10 1997-06-24 Black & Decker Inc. Drill bit with debris conveying flute

Also Published As

Publication number Publication date
NL147357B (nl) 1975-10-15
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