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DK447689D0 - DRILLING TOOL - Google Patents

DRILLING TOOL

Info

Publication number
DK447689D0
DK447689D0 DK447689A DK447689A DK447689D0 DK 447689 D0 DK447689 D0 DK 447689D0 DK 447689 A DK447689 A DK 447689A DK 447689 A DK447689 A DK 447689A DK 447689 D0 DK447689 D0 DK 447689D0
Authority
DK
Denmark
Prior art keywords
drilling tool
drilling
tool
Prior art date
Application number
DK447689A
Other languages
Danish (da)
Other versions
DK447689A (en
Inventor
Vladislav Stary
Original Assignee
Narex Praha Statni Podnik
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 Narex Praha Statni Podnik filed Critical Narex Praha Statni Podnik
Publication of DK447689D0 publication Critical patent/DK447689D0/en
Publication of DK447689A publication Critical patent/DK447689A/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
    • E21B10/46—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)
DK447689A 1988-09-12 1989-09-11 DRILLING TOOL DK447689A (en)

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
DK447689D0 true DK447689D0 (en) 1989-09-11
DK447689A DK447689A (en) 1990-03-13

Family

ID=5407170

Family Applications (1)

Application Number Title Priority Date Filing Date
DK447689A DK447689A (en) 1988-09-12 1989-09-11 DRILLING TOOL

Country Status (3)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314868C2 (en) * 1993-05-05 2002-05-16 Hawera Probst Kg Hartmetall drilling
WO1996007504A1 (en) * 1994-09-06 1996-03-14 Karl Metzger Process for producing a multi-blade tool
DE19650487A1 (en) * 1996-12-05 1998-06-10 Hilti Ag Drilling tool
DE19722518A1 (en) 1997-05-30 1998-12-03 Hawera Probst Gmbh Drilling tool, in particular rock drill
DE19722517A1 (en) 1997-05-30 1998-12-03 Hawera Probst Gmbh Drilling tool
DE19722519A1 (en) * 1997-05-30 1998-12-03 Hawera Probst Gmbh Drilling tool
DE19859885B4 (en) * 1998-05-20 2005-06-16 Robert Bosch Gmbh Method for producing a drilling tool
DE19915304B4 (en) * 1999-03-22 2006-07-27 Robert Bosch Gmbh drilling
DE19915305C2 (en) * 1999-04-03 2003-11-20 Hawera Probst Gmbh drilling
DE10009732A1 (en) * 2000-03-02 2001-09-06 Hawera Probst Gmbh Rock drill has drill head, spiral conveyor with main and subsidiary webs, conveyor edges, main and subsidiary cutter-blades.
DE10047332A1 (en) 2000-09-25 2002-04-11 Hilti Ag Tool with helix
PL1875032T3 (en) * 2005-04-28 2011-02-28 Irwin Ind Tool Company A/S A drilling tool
DE102009055748A1 (en) 2009-11-26 2011-06-09 Südsta AG Method of making a drill

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE493860C (en) * 1930-03-12 Siemens Schuckertwerke Akt Ges Process for the production of drills with cutting carriers made of hard metal
GB567028A (en) * 1900-01-01
FR408276A (en) * 1900-01-01
FR356051A (en) * 1905-07-11 1905-11-20 Johann Fischer Rotary mine iron
US2504601A (en) * 1947-12-30 1950-04-18 Earl M Spry Auger drill
DE887631C (en) * 1951-05-23 1953-08-24 Alfred Kunkel Masonry drill
CH331438A (en) * 1955-02-02 1958-07-31 Kunkel Alfred Rock drill
DE3317989A1 (en) * 1983-05-18 1984-11-22 Hawera Probst Gmbh + Co, 7980 Ravensburg DRILLING TOOL

Also Published As

Publication number Publication date
CS272904B1 (en) 1991-02-12
EP0361189A1 (en) 1990-04-04
CS609388A1 (en) 1990-03-14
DK447689A (en) 1990-03-13

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
AHB Application shelved due to non-payment