IT1009747B - Corona per trivellazione a percus sione - Google Patents

Corona per trivellazione a percus sione

Info

Publication number
IT1009747B
IT1009747B IT2111674A IT2111674A IT1009747B IT 1009747 B IT1009747 B IT 1009747B IT 2111674 A IT2111674 A IT 2111674A IT 2111674 A IT2111674 A IT 2111674A IT 1009747 B IT1009747 B IT 1009747B
Authority
IT
Italy
Prior art keywords
sione
percus
crown
drilling
percus sione
Prior art date
Application number
IT2111674A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1009747B publication Critical patent/IT1009747B/it

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)
IT2111674A 1973-04-14 1974-04-09 Corona per trivellazione a percus sione IT1009747B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1009747B true IT1009747B (it) 1976-12-20

Family

ID=5878113

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2111674A IT1009747B (it) 1973-04-14 1974-04-09 Corona per trivellazione a percus sione

Country Status (5)

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

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
FR2225613A1 (it) 1974-11-08
AT329486B (de) 1976-05-10
DE2318928A1 (de) 1974-10-24
ATA261474A (de) 1975-08-15
FR2225613B1 (it) 1977-10-07
BE812832A (fr) 1974-07-15

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