AT289683B - Schlagbohrkrone - Google Patents

Schlagbohrkrone

Info

Publication number
AT289683B
AT289683B AT690669A AT690669A AT289683B AT 289683 B AT289683 B AT 289683B AT 690669 A AT690669 A AT 690669A AT 690669 A AT690669 A AT 690669A AT 289683 B AT289683 B AT 289683B
Authority
AT
Austria
Prior art keywords
drill bit
percussion drill
percussion
bit
drill
Prior art date
Application number
AT690669A
Other languages
English (en)
Inventor
Richard Karnebogen
Original Assignee
Richard Karnebogen
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
Priority claimed from DE19691911188 external-priority patent/DE1911188A1/de
Application filed by Richard Karnebogen filed Critical Richard Karnebogen
Application granted granted Critical
Publication of AT289683B publication Critical patent/AT289683B/de

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
    • E21B10/56—Button-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)
  • Earth Drilling (AREA)
AT690669A 1968-11-12 1969-07-17 Schlagbohrkrone AT289683B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1808318 1968-11-12
DE19691911188 DE1911188A1 (de) 1969-03-05 1969-03-05 Hartmetallbestueckte Schlagbohrkrone Kennwort: Doppeltangentenschneiden

Publications (1)

Publication Number Publication Date
AT289683B true AT289683B (de) 1971-05-10

Family

ID=25756389

Family Applications (1)

Application Number Title Priority Date Filing Date
AT690669A AT289683B (de) 1968-11-12 1969-07-17 Schlagbohrkrone

Country Status (2)

Country Link
AT (1) AT289683B (de)
CH (1) CH492867A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2158628B1 (de) * 1971-11-26 1973-05-03 Waiiram-Hartmetall GmbH, 4300 Essen Bohrschneide

Also Published As

Publication number Publication date
CH492867A (de) 1970-06-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee