DE233184C - - Google Patents

Info

Publication number
DE233184C
DE233184C DENDAT233184D DE233184DA DE233184C DE 233184 C DE233184 C DE 233184C DE NDAT233184 D DENDAT233184 D DE NDAT233184D DE 233184D A DE233184D A DE 233184DA DE 233184 C DE233184 C DE 233184C
Authority
DE
Germany
Prior art keywords
chisel
bit
radial
central
drill rod
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
DENDAT233184D
Other languages
German (de)
English (en)
Publication of DE233184C publication Critical patent/DE233184C/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)
  • Earth Drilling (AREA)
DENDAT233184D Active DE233184C (sv)

Publications (1)

Publication Number Publication Date
DE233184C true DE233184C (sv)

Family

ID=493143

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT233184D Active DE233184C (sv)

Country Status (1)

Country Link
DE (1) DE233184C (sv)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929966A1 (de) * 1979-07-24 1981-02-12 Muellenberg Ralph Meissel- oder messertraegerbefestigung
DE3119911A1 (de) * 1980-05-27 1982-04-29 Sandvik AB, 81181 Sandviken Bohrkopf

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929966A1 (de) * 1979-07-24 1981-02-12 Muellenberg Ralph Meissel- oder messertraegerbefestigung
DE3119911A1 (de) * 1980-05-27 1982-04-29 Sandvik AB, 81181 Sandviken Bohrkopf

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