ZA200406040B - Drill head. - Google Patents

Drill head.

Info

Publication number
ZA200406040B
ZA200406040B ZA200406040A ZA200406040A ZA200406040B ZA 200406040 B ZA200406040 B ZA 200406040B ZA 200406040 A ZA200406040 A ZA 200406040A ZA 200406040 A ZA200406040 A ZA 200406040A ZA 200406040 B ZA200406040 B ZA 200406040B
Authority
ZA
South Africa
Prior art keywords
drill head
drill
head
Prior art date
Application number
ZA200406040A
Other languages
English (en)
Inventor
Roland Gienau
Erich Leibhard
Wolfgang Ludwig
Original Assignee
Hilti Ag
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 Hilti Ag filed Critical Hilti Ag
Publication of ZA200406040B publication Critical patent/ZA200406040B/xx

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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Earth Drilling (AREA)
ZA200406040A 2003-07-29 2004-07-28 Drill head. ZA200406040B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10334610A DE10334610B4 (de) 2003-07-29 2003-07-29 Bohrkopf

Publications (1)

Publication Number Publication Date
ZA200406040B true ZA200406040B (en) 2005-06-08

Family

ID=32946484

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200406040A ZA200406040B (en) 2003-07-29 2004-07-28 Drill head.

Country Status (7)

Country Link
US (1) US7163070B2 (xx)
CN (1) CN1576512A (xx)
AU (1) AU2004203215B2 (xx)
DE (1) DE10334610B4 (xx)
GB (1) GB2404400B (xx)
PL (1) PL202865B1 (xx)
ZA (1) ZA200406040B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8899358B2 (en) 2010-10-28 2014-12-02 Smith International, Inc. Interface design of TSP shear cutters
CN105922457B (zh) * 2016-05-26 2018-02-09 王军 一种大理石长孔无水自动打孔机

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256092A (en) * 1940-04-06 1941-09-16 J K Smit & Sons Inc Diamond bit
US2252168A (en) * 1940-06-17 1941-08-12 Martha H Wright Well bit
DE913383C (de) * 1948-12-31 1954-06-10 Schmitz & Co J Nischen- oder Kastenfeuerloescheinrichtung
DE913382C (de) * 1949-07-09 1954-06-10 Henri Debray Feuerloescher mit eine Loeschfluessigkeit enthaltender Ampulle
DE913042C (de) * 1951-01-10 1954-06-08 Eisen & Stahlind Ag Gesteinsbohrkrone
US3215215A (en) * 1962-08-27 1965-11-02 Exxon Production Research Co Diamond bit
US3179190A (en) * 1963-03-25 1965-04-20 Howard U Blasi Drill bit with inserts
US3951220A (en) * 1974-08-19 1976-04-20 Vance Industries, Inc. Archimedes spiral drill bit
DE3381941D1 (de) * 1982-06-29 1990-11-22 Gelsen Karl Heinz Bohrgeraet.
US4711312A (en) * 1986-07-22 1987-12-08 The Marmon Group, Inc. Drill bit
US4694916A (en) * 1986-09-22 1987-09-22 R. C. Ltd. Continuous coring drill bit
SU1740610A1 (ru) 1990-04-06 1992-06-15 Кыштымский машиностроительный завод им.М.И.Калинина Бурова коронка
DE4011441A1 (de) * 1990-04-09 1991-10-10 Hilti Ag Gesteinsbohrer
DE9308443U1 (de) * 1993-06-05 1993-08-19 Bilfinger + Berger Bauaktiengesellschaft, 68165 Mannheim Vollbohrkrone zum Herstellen von verrohrten Erdbohrungen
DE4339245A1 (de) * 1993-11-18 1995-05-24 Hilti Ag Spiralbohrer
DE4411441C2 (de) 1994-03-31 2003-07-31 Perkin Elmer Bodenseewerk Zwei Atomabsorptionsspektrometer
FI103430B1 (fi) 1994-10-05 1999-06-30 Valto Ilomaeki Poralaite ja menetelmä reiän poraamiseksi useaan erilaatuiseen maaperään

Also Published As

Publication number Publication date
PL202865B1 (pl) 2009-07-31
GB0416812D0 (en) 2004-09-01
AU2004203215B2 (en) 2009-01-08
GB2404400B (en) 2006-06-28
CN1576512A (zh) 2005-02-09
DE10334610A1 (de) 2005-03-03
AU2004203215A1 (en) 2005-02-17
US20050051365A1 (en) 2005-03-10
GB2404400A (en) 2005-02-02
US7163070B2 (en) 2007-01-16
DE10334610B4 (de) 2006-04-20
PL369323A1 (en) 2005-02-07

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