DE105607C - - Google Patents

Info

Publication number
DE105607C
DE105607C DENDAT105607D DE105607DA DE105607C DE 105607 C DE105607 C DE 105607C DE NDAT105607 D DENDAT105607 D DE NDAT105607D DE 105607D A DE105607D A DE 105607DA DE 105607 C DE105607 C DE 105607C
Authority
DE
Germany
Prior art keywords
drill
cutting edge
dovetail
recess
pin
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
DENDAT105607D
Other languages
German (de)
English (en)
Publication of DE105607C publication Critical patent/DE105607C/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts

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)
DENDAT105607D Active DE105607C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE105607C true DE105607C (enrdf_load_stackoverflow)

Family

ID=375877

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT105607D Active DE105607C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE105607C (enrdf_load_stackoverflow)

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