ATA779178A - Schlagbohrkrone - Google Patents

Schlagbohrkrone

Info

Publication number
ATA779178A
ATA779178A AT779178A AT779178A ATA779178A AT A779178 A ATA779178 A AT A779178A AT 779178 A AT779178 A AT 779178A AT 779178 A AT779178 A AT 779178A AT A779178 A ATA779178 A AT A779178A
Authority
AT
Austria
Prior art keywords
drill bit
impact drill
impact
bit
drill
Prior art date
Application number
AT779178A
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
Publication of ATA779178A publication Critical patent/ATA779178A/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
    • E21B10/56—Button-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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion

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)
  • Percussive Tools And Related Accessories (AREA)
AT779178A 1977-11-05 1978-10-31 Schlagbohrkrone ATA779178A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2749613A DE2749613B2 (de) 1977-11-05 1977-11-05 Schlagbohrkrone für Gesteinsbohrungen

Publications (1)

Publication Number Publication Date
ATA779178A true ATA779178A (de) 1980-07-15

Family

ID=6023121

Family Applications (1)

Application Number Title Priority Date Filing Date
AT779178A ATA779178A (de) 1977-11-05 1978-10-31 Schlagbohrkrone

Country Status (6)

Country Link
US (1) US4202421A (de)
AT (1) ATA779178A (de)
DE (1) DE2749613B2 (de)
FR (1) FR2408029A1 (de)
GB (1) GB2008172A (de)
SE (1) SE7810995L (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE421551B (sv) * 1980-03-26 1982-01-04 Sandvik Ab Borrverktyg for rotations- och/eller slagborrning
CA1205620A (en) * 1981-06-25 1986-06-10 David T. Allan Scabbler bits
SE452636B (sv) * 1983-09-20 1987-12-07 Santrade Ltd Bergborrkrona
DE3510048C1 (de) * 1985-03-20 1986-04-10 Siegfried 5883 Kierspe Treitz Schlagbohrkrone fuer Gesteinsbohrmaschinen
US4694918A (en) * 1985-04-29 1987-09-22 Smith International, Inc. Rock bit with diamond tip inserts
DE4101458A1 (de) * 1991-01-19 1992-07-23 Wolf Thomas Fuer einen mit axialem druck und schlaegen arbeitenden, umlaufenden gesteinsbohrer bestimmter bohrmeissel
GB2448358B (en) * 2007-04-12 2009-07-08 Tidal Generation Ltd Installation of underwater ground anchorages
US20090184564A1 (en) * 2008-01-22 2009-07-23 The William J. Brady Loving Trust Pcd percussion drill bit
US20100025114A1 (en) * 2008-01-22 2010-02-04 Brady William J PCD Percussion Drill Bit
NL2008279C2 (en) * 2012-02-13 2013-08-14 Ihc Holland Ie Bv A template for and method of installing a plurality of foundation elements in an underwater ground formation.
PL2865843T3 (pl) * 2013-10-28 2016-07-29 Sandvik Intellectual Property Udarowy świder wiertniczy ze zoptymalizowanymi słupkami zewnętrznymi
EP3960981B1 (de) * 2020-08-26 2023-06-07 Sandvik Mining and Construction Tools AB Ausgehöhlter bohrer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357507A (en) * 1965-10-24 1967-12-12 Mission Mfg Co Percussion bit
US3385385A (en) * 1966-04-01 1968-05-28 Reed Roller Bit Co Drill bit
US3583504A (en) * 1969-02-24 1971-06-08 Mission Mfg Co Gauge cutting bit
US3726350A (en) * 1971-05-24 1973-04-10 Hughes Tool Co Anti-tracking earth boring drill
US4106578A (en) * 1976-05-04 1978-08-15 Leaman Rex Beyer Percussion drill bit

Also Published As

Publication number Publication date
DE2749613B2 (de) 1979-12-20
SE7810995L (sv) 1979-05-06
DE2749613A1 (de) 1979-05-10
FR2408029A1 (fr) 1979-06-01
GB2008172A (en) 1979-05-31
US4202421A (en) 1980-05-13

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Legal Events

Date Code Title Description
A1Z Withdrawn