CS272904B1 - Drilling tool - Google Patents

Drilling tool Download PDF

Info

Publication number
CS272904B1
CS272904B1 CS609388A CS609388A CS272904B1 CS 272904 B1 CS272904 B1 CS 272904B1 CS 609388 A CS609388 A CS 609388A CS 609388 A CS609388 A CS 609388A CS 272904 B1 CS272904 B1 CS 272904B1
Authority
CS
Czechoslovakia
Prior art keywords
tool
flat bar
reinforcement
cross
tool according
Prior art date
Application number
CS609388A
Other languages
Czech (cs)
English (en)
Other versions
CS609388A1 (en
Inventor
Vladislav Ing Stary
Vladislav Ml Ing Stary
Original Assignee
Vladislav Ing Stary
Vladislav Ml Ing Stary
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 Vladislav Ing Stary, Vladislav Ml Ing Stary filed Critical Vladislav Ing Stary
Priority to CS609388A priority Critical patent/CS272904B1/cs
Priority to EP89116760A priority patent/EP0361189A1/de
Priority to DK447689A priority patent/DK447689A/da
Publication of CS609388A1 publication Critical patent/CS609388A1/cs
Publication of CS272904B1 publication Critical patent/CS272904B1/cs

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
    • E21B10/58—Chisel-type inserts
    • 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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
CS609388A 1988-09-12 1988-09-12 Drilling tool CS272904B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CS609388A CS272904B1 (en) 1988-09-12 1988-09-12 Drilling tool
EP89116760A EP0361189A1 (de) 1988-09-12 1989-09-11 Bohrwerkzeug mit schraubenförmigem Schaft
DK447689A DK447689A (da) 1988-09-12 1989-09-11 Borevaerktoej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS609388A CS272904B1 (en) 1988-09-12 1988-09-12 Drilling tool

Publications (2)

Publication Number Publication Date
CS609388A1 CS609388A1 (en) 1990-03-14
CS272904B1 true CS272904B1 (en) 1991-02-12

Family

ID=5407170

Family Applications (1)

Application Number Title Priority Date Filing Date
CS609388A CS272904B1 (en) 1988-09-12 1988-09-12 Drilling tool

Country Status (3)

Country Link
EP (1) EP0361189A1 (de)
CS (1) CS272904B1 (de)
DK (1) DK447689A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314868C2 (de) * 1993-05-05 2002-05-16 Hawera Probst Kg Hartmetall Bohrwerkzeug
EP0730509A1 (de) * 1994-09-06 1996-09-11 Karl Metzger Verfahren zur herstellung eines mehrschneiden-werkzeuges
DE19650487A1 (de) * 1996-12-05 1998-06-10 Hilti Ag Bohrwerkzeug
DE19722518A1 (de) 1997-05-30 1998-12-03 Hawera Probst Gmbh Bohrwerkzeug, insbesondere Gesteinsbohrer
DE19722519A1 (de) 1997-05-30 1998-12-03 Hawera Probst Gmbh Bohrwerkzeug
DE19722517A1 (de) 1997-05-30 1998-12-03 Hawera Probst Gmbh Bohrwerkzeug
DE19859885B4 (de) * 1998-05-20 2005-06-16 Robert Bosch Gmbh Verfahren zur Herstellung eines Bohrwerkzeugs
DE19915304B4 (de) * 1999-03-22 2006-07-27 Robert Bosch Gmbh Bohrwerkzeug
DE19915305C2 (de) * 1999-04-03 2003-11-20 Hawera Probst Gmbh Bohrwerkzeug
DE10009732A1 (de) * 2000-03-02 2001-09-06 Hawera Probst Gmbh Gesteinsbohrer
DE10047332A1 (de) 2000-09-25 2002-04-11 Hilti Ag Werkzeug mit Wendel
DE602006016587D1 (de) * 2005-04-28 2010-10-14 Irwin Ind Tool Company As Bohrwerkzeug
DE102009055748A1 (de) * 2009-11-26 2011-06-09 Südsta AG Verfahren zur Herstellung eines Bohrers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB567028A (de) * 1900-01-01
FR408276A (de) * 1900-01-01
DE493860C (de) * 1930-03-12 Siemens Schuckertwerke Akt Ges Verfahren zur Herstellung von Bohrern mit Schneidentraegern aus Hartmetall
FR356051A (fr) * 1905-07-11 1905-11-20 Johann Fischer Fer de mine rotatif
US2504601A (en) * 1947-12-30 1950-04-18 Earl M Spry Auger drill
DE887631C (de) * 1951-05-23 1953-08-24 Alfred Kunkel Steinbohrer
CH331438A (de) * 1955-02-02 1958-07-31 Kunkel Alfred Gesteinsbohrer
DE3317989A1 (de) * 1983-05-18 1984-11-22 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrwerkzeug

Also Published As

Publication number Publication date
CS609388A1 (en) 1990-03-14
DK447689D0 (da) 1989-09-11
DK447689A (da) 1990-03-13
EP0361189A1 (de) 1990-04-04

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