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DK1029622T3 - Rock drills - Google Patents

Rock drills

Info

Publication number
DK1029622T3
DK1029622T3 DK00102777T DK00102777T DK1029622T3 DK 1029622 T3 DK1029622 T3 DK 1029622T3 DK 00102777 T DK00102777 T DK 00102777T DK 00102777 T DK00102777 T DK 00102777T DK 1029622 T3 DK1029622 T3 DK 1029622T3
Authority
DK
Denmark
Prior art keywords
tip
plate
degrees
hard metal
envelope curve
Prior art date
Application number
DK00102777T
Other languages
Danish (da)
Inventor
Klaus Dreps
Klemens Uebele
Original Assignee
Drebo Werkzeugfab Gmbh
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 Drebo Werkzeugfab Gmbh filed Critical Drebo Werkzeugfab Gmbh
Application granted granted Critical
Publication of DK1029622T3 publication Critical patent/DK1029622T3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
    • B23B2222/28—Details of hard metal, i.e. cemented carbide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/75—Stone, rock or concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
  • Steroid Compounds (AREA)
  • Earth Drilling (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The drill bit has a hard metal plate (12) extending through a slot in the drill bit tip, where it is anchored. This plate has an envelope curve (20) with a tip angle of about 130 degrees and a hard metal tip (28) lying within the envelope curve. The tip angle of the hard metal tip is considerably less than 130 degrees , in the region of 90 degrees . The main cutting edge (30) of the plate extends across the tip. The plate has a necking towards the tip springing back from the envelope curve.
DK00102777T 1999-02-15 2000-02-10 Rock drills DK1029622T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29902665U DE29902665U1 (en) 1999-02-15 1999-02-15 Stone drill

Publications (1)

Publication Number Publication Date
DK1029622T3 true DK1029622T3 (en) 2007-01-02

Family

ID=8069414

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00102777T DK1029622T3 (en) 1999-02-15 2000-02-10 Rock drills

Country Status (4)

Country Link
EP (1) EP1029622B1 (en)
AT (1) ATE337124T1 (en)
DE (2) DE29902665U1 (en)
DK (1) DK1029622T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10024433A1 (en) * 2000-05-19 2001-11-29 Hawera Probst Gmbh Rock drill
DE202006003539U1 (en) 2006-03-03 2006-05-04 Illinois Tool Works Inc., Glenview rock drill

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921677U (en) 1965-05-18 1965-08-19 Frank & Co Profilzieherei U Me PROFILE ANGLE BAR FOR KITCHEN FURNITURE, REFRIGERATOR, LOCKER OD. DGL.
DE1921677B2 (en) * 1969-04-28 1977-09-29 Hilti Ag, Schaan (Liechtenstein) ROTARY TURN DRILL
DE4442266A1 (en) 1994-11-28 1996-05-30 Hilti Ag Tool with carrier body and cutting body
GB2303810A (en) * 1995-07-29 1997-03-05 Black & Decker Inc Masonry drill bit
GB2318072A (en) * 1996-09-21 1998-04-15 Plansee Tizit Gmbh Masonry bit

Also Published As

Publication number Publication date
DE29902665U1 (en) 1999-04-29
ATE337124T1 (en) 2006-09-15
DE50013341D1 (en) 2006-10-05
EP1029622A2 (en) 2000-08-23
EP1029622B1 (en) 2006-08-23
EP1029622A3 (en) 2003-07-30

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