ATA205090A - Bohrkrone mit umfangsverteilt angeordneten zaehnen fuer bohrrohre - Google Patents

Bohrkrone mit umfangsverteilt angeordneten zaehnen fuer bohrrohre

Info

Publication number
ATA205090A
ATA205090A AT205090A AT205090A ATA205090A AT A205090 A ATA205090 A AT A205090A AT 205090 A AT205090 A AT 205090A AT 205090 A AT205090 A AT 205090A AT A205090 A ATA205090 A AT A205090A
Authority
AT
Austria
Prior art keywords
drill
circumferently
distributed teeth
pipes
drill bit
Prior art date
Application number
AT205090A
Other languages
English (en)
Other versions
AT394246B (de
Inventor
Theo Dipl Ing Fromme
Original Assignee
Hartfuss Michael
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 Hartfuss Michael filed Critical Hartfuss Michael
Publication of ATA205090A publication Critical patent/ATA205090A/de
Application granted granted Critical
Publication of AT394246B publication Critical patent/AT394246B/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
    • E21B10/48—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
    • 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)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (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)
AT205090A 1989-10-11 1990-10-11 Bohrkrone mit umfangsverteilt angeordneten zaehnen fuer bohrrohre AT394246B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893933867 DE3933867C2 (de) 1989-10-11 1989-10-11 Bohrkrone mit umfangsverteilt angeordneten Zähnen für Bohrrohre

Publications (2)

Publication Number Publication Date
ATA205090A true ATA205090A (de) 1991-08-15
AT394246B AT394246B (de) 1992-02-25

Family

ID=6391226

Family Applications (1)

Application Number Title Priority Date Filing Date
AT205090A AT394246B (de) 1989-10-11 1990-10-11 Bohrkrone mit umfangsverteilt angeordneten zaehnen fuer bohrrohre

Country Status (3)

Country Link
AT (1) AT394246B (de)
CH (1) CH682584A5 (de)
DE (2) DE8915905U1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226363C2 (de) * 1992-08-10 1995-07-06 Bauer Spezialtiefbau Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern
DE10205643C1 (de) * 2002-02-12 2003-10-16 Betek Bergbau & Hartmetall Bohrkrone mit lösbaren Schneidzähnen
DE10205644B4 (de) * 2002-02-12 2006-03-02 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Bohrwerkzeug
DE102008053276A1 (de) * 2008-10-27 2010-05-20 Tracto-Technik Gmbh & Co. Kg Bohrkrone
DE102011090063B4 (de) * 2011-10-13 2024-07-04 Robert Bosch Gmbh Hammerbohrkrone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1558958B2 (de) * 1966-02-02 1970-08-27 Becker Drilling Alberta Ltd Bohrkrone fuer ein schlagend oder stossend arbeitendes Kernbohrgeraet
DE6807089U (de) * 1968-11-15 1969-03-13 Stihl Maschf Andreas Steinbohrer
DE3240263A1 (de) * 1982-10-30 1984-05-03 Fa. Siegfried Maas, 7157 Murrhardt Bohrwerkzeug
DE3825220A1 (de) * 1988-07-25 1990-02-08 Hilti Ag Hohlbohrwerkzeug

Also Published As

Publication number Publication date
DE3933867A1 (de) 1991-04-18
DE8915905U1 (de) 1992-01-09
DE3933867C2 (de) 1995-08-17
CH682584A5 (de) 1993-10-15
AT394246B (de) 1992-02-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification