FI970836A0 - Drill head - Google Patents

Drill head

Info

Publication number
FI970836A0
FI970836A0 FI970836A FI970836A FI970836A0 FI 970836 A0 FI970836 A0 FI 970836A0 FI 970836 A FI970836 A FI 970836A FI 970836 A FI970836 A FI 970836A FI 970836 A0 FI970836 A0 FI 970836A0
Authority
FI
Finland
Prior art keywords
drill head
drill
head
Prior art date
Application number
FI970836A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI970836A (en
Inventor
Heinz Gruber
Original Assignee
Reburg Patentverwertungs 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 Reburg Patentverwertungs Gmbh filed Critical Reburg Patentverwertungs Gmbh
Publication of FI970836A0 publication Critical patent/FI970836A0/en
Publication of FI970836A publication Critical patent/FI970836A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
FI970836A 1994-08-30 1997-02-27 Drill head FI970836A (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 (2)

Publication Number Publication Date
FI970836A0 true FI970836A0 (en) 1997-02-27
FI970836A FI970836A (en) 1997-02-27

Family

ID=6526936

Family Applications (1)

Application Number Title Priority Date Filing Date
FI970836A FI970836A (en) 1994-08-30 1997-02-27 Drill head

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) FI970836A (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
CN110036175B (en) * 2016-10-10 2020-08-04 Tmt出铁测量技术有限公司 Drill bit
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
AT164908B (en) * 1948-05-13 1949-12-27 Boehler & Co Ag Geb Core bit with hard metal cutting edges
FR986125A (en) * 1948-05-13 1951-07-27 Boehler & Co Ag Geb Tungsten carbide cutting tool bit
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 1991-10-24 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
JPH10504861A (en) 1998-05-12
KR970705689A (en) 1997-10-09
ZA957224B (en) 1996-04-01
DE4430784C1 (en) 1996-01-18
EP0777811A1 (en) 1997-06-11
WO1996007011A1 (en) 1996-03-07
AU2673595A (en) 1996-03-22
IS4421A (en) 1997-01-30
FI970836A (en) 1997-02-27
NO970908D0 (en) 1997-02-27
TW276203B (en) 1996-05-21
NO970908L (en) 1997-02-27

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Legal Events

Date Code Title Description
FD Application lapsed