IS4421A - Bork Róna - Google Patents

Bork Róna

Info

Publication number
IS4421A
IS4421A IS4421A IS4421A IS4421A IS 4421 A IS4421 A IS 4421A IS 4421 A IS4421 A IS 4421A IS 4421 A IS4421 A IS 4421A IS 4421 A IS4421 A IS 4421A
Authority
IS
Iceland
Prior art keywords
róna
bork
bork róna
Prior art date
Application number
IS4421A
Other languages
Icelandic (is)
Inventor
Gruber Heinz
Original Assignee
Reburg Patentverwertungsgesellschaft Mbh
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 Reburg Patentverwertungsgesellschaft Mbh filed Critical Reburg Patentverwertungsgesellschaft Mbh
Publication of IS4421A publication Critical patent/IS4421A/en

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
    • E21B10/58—Chisel-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
    • E21B10/38—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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion

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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
IS4421A 1994-08-30 1997-01-30 Bork Róna IS4421A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4430784A DE4430784C1 (en) 1994-08-30 1994-08-30 Drill head
PCT/EP1995/002097 WO1996007011A1 (en) 1994-08-30 1995-06-02 Drilling head with cutters in arrow-shaped array

Publications (1)

Publication Number Publication Date
IS4421A true IS4421A (en) 1997-01-30

Family

ID=6526936

Family Applications (1)

Application Number Title Priority Date Filing Date
IS4421A IS4421A (en) 1994-08-30 1997-01-30 Bork Róna

Country Status (11)

Country Link
EP (1) EP0777811A1 (en)
JP (1) JPH10504861A (en)
KR (1) KR970705689A (en)
AU (1) AU2673595A (en)
DE (1) DE4430784C1 (en)
FI (1) FI970836A0 (en)
IS (1) IS4421A (en)
NO (1) NO970908L (en)
TW (1) TW276203B (en)
WO (1) WO1996007011A1 (en)
ZA (1) ZA957224B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738762B1 (en) * 1995-09-18 1997-10-17 Diager CUTTING PART OF A FOREST
DE19835689C2 (en) * 1998-08-07 2003-01-09 Hermann Bentzinger Device for fastening cutting segments to a drill pipe
DE102006000083A1 (en) 2006-02-20 2007-08-23 Hilti Ag anchor drill head
WO2018068818A1 (en) * 2016-10-10 2018-04-19 Tmt Tapping-Measuring-Technology Sàrl Drilling crown
RU183053U1 (en) * 2017-01-24 2018-09-07 Общество с ограниченной ответственностью "СОБРАНИЕ" PACKAGING

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967371C (en) * 1943-07-03 1957-11-07 Boehler & Co Ag Geb Rock percussion drill for blast holes u. Like. With a pre-drilling cutting edge and a subsequent extension cutting edge
US2507222A (en) * 1946-08-19 1950-05-09 Phipps Orville Multiple edge percussion bit
GB644145A (en) * 1947-12-09 1950-10-04 Atlas Diesel Ab Improvements in drill bits for hammer drills having hard metal cutting edges and hard metal bodies forming such cutting edges
FR986125A (en) * 1948-05-13 1951-07-27 Boehler & Co Ag Geb Tungsten carbide cutting tool bit
AT164908B (en) * 1948-05-13 1949-12-27 Boehler & Co Ag Geb Core bit with hard metal cutting edges
DE918741C (en) * 1949-09-03 1954-10-04 Boehler & Co Ag Geb Rock drill with single or multiple cutting edges
GB981489A (en) * 1962-10-19 1965-01-27 Tungsten Carbide Developments Improvements in or relating to rock bits
DE2116814A1 (en) * 1971-04-06 1972-10-19 Ing. Günter Klemm Spezialunternehmen für Bohrtechnik, 5961 Olpe-Rhode Method and device for drilling in mountains covered by loose soil
US3726351A (en) * 1971-04-26 1973-04-10 E Williams Mill tool
DE2601302A1 (en) * 1976-01-15 1977-07-21 Richard Karnebogen Percussive rock drill bit - has four cutters along arms of angled cross offset from bit centre and fifth cutter pointed to cross intercept
DE2620869A1 (en) * 1976-05-11 1977-12-01 Krupp Gmbh Rotary percussive drill tool - has radial blade and second blade vertical to outside tool endface centre point
AT376765B (en) * 1978-05-16 1984-12-27 Guergen Karlheinz INTERCHANGEABLE DRILL BIT FOR ONE STONE DRILL DRILL AND DRILL BIT APPLICABLE TO ALL STONES
SE454196C (en) * 1983-09-23 1991-11-04 Jan Persson EARTH AND MOUNTAIN DRILLING DEVICE CONCERNING BORING AND LINING OF THE DRILL
DE3820695C2 (en) * 1988-06-18 1996-07-25 Hawera Probst Kg Hartmetall Rock drill

Also Published As

Publication number Publication date
FI970836A (en) 1997-02-27
DE4430784C1 (en) 1996-01-18
JPH10504861A (en) 1998-05-12
TW276203B (en) 1996-05-21
EP0777811A1 (en) 1997-06-11
FI970836A0 (en) 1997-02-27
NO970908D0 (en) 1997-02-27
ZA957224B (en) 1996-04-01
AU2673595A (en) 1996-03-22
KR970705689A (en) 1997-10-09
NO970908L (en) 1997-02-27
WO1996007011A1 (en) 1996-03-07

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