IS4421A - Borkróna - Google Patents

Borkróna

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
English (en)
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/is

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 Borkróna IS4421A (is)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4430784A DE4430784C1 (de) 1994-08-30 1994-08-30 Bohrkopf
PCT/EP1995/002097 WO1996007011A1 (de) 1994-08-30 1995-06-02 Bohrkopf mit einer pfeilartigen anordnung von schneidkörpern

Publications (1)

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

Family

ID=6526936

Family Applications (1)

Application Number Title Priority Date Filing Date
IS4421A IS4421A (is) 1994-08-30 1997-01-30 Borkróna

Country Status (11)

Country Link
EP (1) EP0777811A1 (no)
JP (1) JPH10504861A (no)
KR (1) KR970705689A (no)
AU (1) AU2673595A (no)
DE (1) DE4430784C1 (no)
FI (1) FI970836A (no)
IS (1) IS4421A (no)
NO (1) NO970908D0 (no)
TW (1) TW276203B (no)
WO (1) WO1996007011A1 (no)
ZA (1) ZA957224B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738762B1 (fr) * 1995-09-18 1997-10-17 Diager Partie coupante d'un foret
DE19835689C2 (de) * 1998-08-07 2003-01-09 Hermann Bentzinger Vorrichtung zur Befestigung von Schneidsegmenten an einem Bohrrohr
DE102006000083A1 (de) 2006-02-20 2007-08-23 Hilti Ag Ankerbohrkopf
EP3523496B1 (de) * 2016-10-10 2020-12-02 TMT - Tapping Measuring Technology Sarl. Bohrkrone
RU183053U1 (ru) * 2017-01-24 2018-09-07 Общество с ограниченной ответственностью "СОБРАНИЕ" Упаковка

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967371C (de) * 1943-07-03 1957-11-07 Boehler & Co Ag Geb Gesteinsschlagbohrer fuer Sprengbohrloecher u. dgl. mit Vorbohrschneide und daran anschliessender Erweiterungsschneide
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 (fr) * 1948-05-13 1951-07-27 Boehler & Co Ag Geb Trépan à outils de taille en métal dur rapportés
AT164908B (de) * 1948-05-13 1949-12-27 Boehler & Co Ag Geb Bohrkrone mit Hartmetallschneiden
DE918741C (de) * 1949-09-03 1954-10-04 Boehler & Co Ag Geb Gesteinsbohrer mit Einfach- oder Mehrfachschneiden
GB981489A (en) * 1962-10-19 1965-01-27 Tungsten Carbide Developments Improvements in or relating to rock bits
DE2116814A1 (de) * 1971-04-06 1972-10-19 Ing. Günter Klemm Spezialunternehmen für Bohrtechnik, 5961 Olpe-Rhode Verfahren und Vorrichtung zum Bohren in von lockerem Erdreich bedeckte Gebirge
US3726351A (en) * 1971-04-26 1973-04-10 E Williams Mill tool
DE2601302A1 (de) * 1976-01-15 1977-07-21 Richard Karnebogen Bohrkrone fuer schlagende gesteinsbohrvorrichtungen
DE2620869A1 (de) * 1976-05-11 1977-12-01 Krupp Gmbh Schlagbohrwerkzeug
AT376765B (de) * 1978-05-16 1984-12-27 Guergen Karlheinz Auswechselbare bohrkrone fuer einen bei allen gesteinsarten anwendbaren gesteindrehschlagbohrer und bohrhammer
SE454196C (sv) * 1983-09-23 1991-11-04 Jan Persson Jord- och bergborrningsanordning foer samtidig borrning och infodring av borrhaalet
DE3820695C2 (de) * 1988-06-18 1996-07-25 Hawera Probst Kg Hartmetall Gesteinsbohrer

Also Published As

Publication number Publication date
ZA957224B (en) 1996-04-01
NO970908L (no) 1997-02-27
DE4430784C1 (de) 1996-01-18
NO970908D0 (no) 1997-02-27
KR970705689A (ko) 1997-10-09
EP0777811A1 (de) 1997-06-11
TW276203B (no) 1996-05-21
FI970836A0 (fi) 1997-02-27
WO1996007011A1 (de) 1996-03-07
FI970836A (fi) 1997-02-27
AU2673595A (en) 1996-03-22
JPH10504861A (ja) 1998-05-12

Similar Documents

Publication Publication Date Title
FI955927A (fi) Substituoidut 1H-imidatsolit
ATA166795A (de) Bis-resorcinyltriazine
ATA147195A (de) Alkoxyphenyl-substituierte bisbenzoylphosphinoxide
ATA163695A (de) 2-hydroxyphenyltriazine
DE69534718D1 (de) Substituierte 9-alkyladenine
BR9507091A (pt) Combinações insecticidamente ativas
ATA108995A (de) Differenzdruckakkumulator
BR9509559A (pt) Azolilulsolfonilfeniluracilas substituídas
BR9509740A (pt) Compostos 18-nor-vitamina d
IS4421A (is) Borkróna
DE59510274D1 (de) Substituierte biphenyloxazoline
BR7400683U (pt) Odontoportátil
FI944403A0 (fi) Stigkaelke II
SE9403034D0 (sv) SIBAB-säkring
KR960002814U (ko) 문제지
FI1748U1 (fi) Portfoelj
ATE197372T1 (de) Vorteig
BR7400242U (pt) Tele-comando
BR7402342U (pt) Hidro-potenciômetro
BR7400062U (pt) Prato-bandeja
BR7400170U (pt) Mouráo
BR7400030U (pt) Numeralfa
BR7400635U (pt) Entopstop
ATA127394A (de) Holografischer neurochip
BR7400865U (pt) Multi-arremate