DK0439821T3 - Skærekrone for borerør med let udskiftelige tænder - Google Patents

Skærekrone for borerør med let udskiftelige tænder

Info

Publication number
DK0439821T3
DK0439821T3 DK90125346.8T DK90125346T DK0439821T3 DK 0439821 T3 DK0439821 T3 DK 0439821T3 DK 90125346 T DK90125346 T DK 90125346T DK 0439821 T3 DK0439821 T3 DK 0439821T3
Authority
DK
Denmark
Prior art keywords
teeth
drill bit
easily replaceable
cutting drill
cutting
Prior art date
Application number
DK90125346.8T
Other languages
Danish (da)
English (en)
Inventor
Kurt Blaschke
Original Assignee
Leffer Stahl & App
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 Leffer Stahl & App filed Critical Leffer Stahl & App
Application granted granted Critical
Publication of DK0439821T3 publication Critical patent/DK0439821T3/da

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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • E21B10/485—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type with inserts in form of chisels, blades or the like
    • 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)
  • 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)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Component Parts Of Construction Machinery (AREA)
DK90125346.8T 1990-02-01 1990-12-22 Skærekrone for borerør med let udskiftelige tænder DK0439821T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4002907A DE4002907A1 (de) 1990-02-01 1990-02-01 Schneidkrone fuer bohrrohre mit einfach auswechselbaren zaehnen

Publications (1)

Publication Number Publication Date
DK0439821T3 true DK0439821T3 (da) 1994-03-07

Family

ID=6399180

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90125346.8T DK0439821T3 (da) 1990-02-01 1990-12-22 Skærekrone for borerør med let udskiftelige tænder

Country Status (5)

Country Link
EP (1) EP0439821B1 (enrdf_load_stackoverflow)
AT (1) ATE95889T1 (enrdf_load_stackoverflow)
DE (2) DE4002907A1 (enrdf_load_stackoverflow)
DK (1) DK0439821T3 (enrdf_load_stackoverflow)
ES (1) ES2047236T3 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9206657U1 (de) * 1992-05-15 1993-09-16 Töpfer, Rainer, 28870 Ottersberg Rotationswerkzeug mit Hartmetalleinsätzen
DE29612342U1 (de) 1996-07-16 1996-09-12 Bauer Spezialtiefbau Gmbh, 86529 Schrobenhausen Progressivschnecken-Bohrer
DE20100550U1 (de) 2001-01-12 2001-04-19 Bauer Spezialtiefbau Gmbh, 86529 Schrobenhausen Schneidzahnanordnung
DE10205644B4 (de) * 2002-02-12 2006-03-02 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Bohrwerkzeug
DE10205643C1 (de) 2002-02-12 2003-10-16 Betek Bergbau & Hartmetall Bohrkrone mit lösbaren Schneidzähnen
JP4211541B2 (ja) 2003-09-01 2009-01-21 ソニー株式会社 記録制御システム、記録予約処理方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE537686C (de) * 1930-08-14 1931-11-09 Haniel & Lueg Gmbh Drehbohrkrone mit nachstellbaren Messern
US3072205A (en) * 1960-02-26 1963-01-08 Salem Tool Co Auger reaming head
US3749449A (en) * 1971-10-13 1973-07-31 Cincinnati Mine Machinery Co Means for removably affixing cutter bit and lug assemblies to driven elements of a mining machine or the like
DE2349711A1 (de) * 1972-10-12 1974-05-02 Austin Hoy & Co Ltd Pickenhalterung fuer kutter fuer mineralische stoffe
DE2539707A1 (de) * 1975-09-06 1977-03-17 Marks & Co Fraeswalze
DE3637456A1 (de) * 1986-06-09 1988-05-11 Erich Wezel Hohlbohrkrone
GB8622605D0 (en) * 1986-09-19 1986-10-22 Wimet Mining Ltd Mineral cutting

Also Published As

Publication number Publication date
DE4002907A1 (de) 1991-08-08
ATE95889T1 (de) 1993-10-15
ES2047236T3 (es) 1994-02-16
EP0439821B1 (de) 1993-10-13
DE59003087D1 (de) 1993-11-18
EP0439821A1 (de) 1991-08-07
DE4002907C2 (enrdf_load_stackoverflow) 1992-01-02

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