AT329486B - Schlagbohrkrone - Google Patents

Schlagbohrkrone

Info

Publication number
AT329486B
AT329486B AT261474A AT261474A AT329486B AT 329486 B AT329486 B AT 329486B AT 261474 A AT261474 A AT 261474A AT 261474 A AT261474 A AT 261474A AT 329486 B AT329486 B AT 329486B
Authority
AT
Austria
Prior art keywords
drill bit
impact drill
impact
bit
drill
Prior art date
Application number
AT261474A
Other languages
English (en)
Other versions
ATA261474A (de
Original Assignee
Krupp 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 Krupp Gmbh filed Critical Krupp Gmbh
Publication of ATA261474A publication Critical patent/ATA261474A/de
Application granted granted Critical
Publication of AT329486B publication Critical patent/AT329486B/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
    • E21B10/58—Chisel-type inserts
    • 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)
AT261474A 1973-04-14 1974-03-29 Schlagbohrkrone AT329486B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732318928 DE2318928A1 (de) 1973-04-14 1973-04-14 Schlagbohrkrone

Publications (2)

Publication Number Publication Date
ATA261474A ATA261474A (de) 1975-08-15
AT329486B true AT329486B (de) 1976-05-10

Family

ID=5878113

Family Applications (1)

Application Number Title Priority Date Filing Date
AT261474A AT329486B (de) 1973-04-14 1974-03-29 Schlagbohrkrone

Country Status (5)

Country Link
AT (1) AT329486B (de)
BE (1) BE812832A (de)
DE (1) DE2318928A1 (de)
FR (1) FR2225613B1 (de)
IT (1) IT1009747B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19811887A1 (de) * 1998-03-18 1999-09-23 Plica Werkzeugfabrik Ag Mollis Hammerbohrwerkzeug

Also Published As

Publication number Publication date
IT1009747B (it) 1976-12-20
FR2225613A1 (de) 1974-11-08
DE2318928A1 (de) 1974-10-24
ATA261474A (de) 1975-08-15
FR2225613B1 (de) 1977-10-07
BE812832A (fr) 1974-07-15

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Legal Events

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