DE199063C - - Google Patents

Info

Publication number
DE199063C
DE199063C DENDAT199063D DE199063DA DE199063C DE 199063 C DE199063 C DE 199063C DE NDAT199063 D DENDAT199063 D DE NDAT199063D DE 199063D A DE199063D A DE 199063DA DE 199063 C DE199063 C DE 199063C
Authority
DE
Germany
Prior art keywords
chisel
chisels
drill head
cross
conical
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT199063D
Other languages
German (de)
English (en)
Publication of DE199063C publication Critical patent/DE199063C/de
Active legal-status Critical Current

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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)
  • Drilling Tools (AREA)
DENDAT199063D Active DE199063C (it)

Publications (1)

Publication Number Publication Date
DE199063C true DE199063C (it)

Family

ID=461809

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT199063D Active DE199063C (it)

Country Status (1)

Country Link
DE (1) DE199063C (it)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608861A1 (de) * 1986-03-08 1987-09-10 Fischer Artur Werke Gmbh Bohrer
DE8805449U1 (de) * 1988-04-25 1988-06-09 Maier, Wolfgang, 5630 Remscheid Diamant-Kernbohrer
DE3707798A1 (de) * 1987-03-11 1988-09-22 Hawera Probst Kg Hartmetall Gesteinsbohrer
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
US6174111B1 (en) 1994-12-12 2001-01-16 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608861A1 (de) * 1986-03-08 1987-09-10 Fischer Artur Werke Gmbh Bohrer
DE3707798A1 (de) * 1987-03-11 1988-09-22 Hawera Probst Kg Hartmetall Gesteinsbohrer
US4889200A (en) * 1987-03-11 1989-12-26 Hawera Probst Gmbh+Co. Rock drill
DE8805449U1 (de) * 1988-04-25 1988-06-09 Maier, Wolfgang, 5630 Remscheid Diamant-Kernbohrer
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
US6174111B1 (en) 1994-12-12 2001-01-16 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials

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