DE9203914U1 - - Google Patents

Info

Publication number
DE9203914U1
DE9203914U1 DE9203914U DE9203914U DE9203914U1 DE 9203914 U1 DE9203914 U1 DE 9203914U1 DE 9203914 U DE9203914 U DE 9203914U DE 9203914 U DE9203914 U DE 9203914U DE 9203914 U1 DE9203914 U1 DE 9203914U1
Authority
DE
Germany
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.)
Expired - Lifetime
Application number
DE9203914U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Willi Wader 5608 Radevormwald De GmbH
Original Assignee
Willi Wader 5608 Radevormwald De 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 Willi Wader 5608 Radevormwald De GmbH filed Critical Willi Wader 5608 Radevormwald De GmbH
Priority to DE9203914U priority Critical patent/DE9203914U1/de
Publication of DE9203914U1 publication Critical patent/DE9203914U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/12—Opening or sealing the tap holes
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • 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)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
DE9203914U 1992-03-24 1992-03-24 Expired - Lifetime DE9203914U1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9203914U DE9203914U1 (zh) 1992-03-24 1992-03-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9203914U DE9203914U1 (zh) 1992-03-24 1992-03-24

Publications (1)

Publication Number Publication Date
DE9203914U1 true DE9203914U1 (zh) 1992-05-07

Family

ID=6877587

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9203914U Expired - Lifetime DE9203914U1 (zh) 1992-03-24 1992-03-24

Country Status (1)

Country Link
DE (1) DE9203914U1 (zh)

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