EP2775090A3 - Bohrkrone - Google Patents
Bohrkrone Download PDFInfo
- Publication number
- EP2775090A3 EP2775090A3 EP14450008.9A EP14450008A EP2775090A3 EP 2775090 A3 EP2775090 A3 EP 2775090A3 EP 14450008 A EP14450008 A EP 14450008A EP 2775090 A3 EP2775090 A3 EP 2775090A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- drill bit
- cutting edge
- face
- over
- cutting
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 230000001154 acute effect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- 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
-
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- 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
-
- 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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- 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
- E21B10/60—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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
-
- 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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATGM72/2013U AT13738U1 (de) | 2013-03-05 | 2013-03-05 | Bohrkrone |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2775090A2 EP2775090A2 (de) | 2014-09-10 |
EP2775090A3 true EP2775090A3 (de) | 2016-05-18 |
Family
ID=51176839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14450008.9A Withdrawn EP2775090A3 (de) | 2013-03-05 | 2014-03-05 | Bohrkrone |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2775090A3 (de) |
AT (1) | AT13738U1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106907112B (zh) * | 2017-05-05 | 2023-06-20 | 宜昌神达科技有限公司 | 一种钻井用pdc钻头 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1169369A (en) * | 1916-01-25 | Samuel Peck | Drill. | |
DE865874C (de) * | 1941-05-09 | 1953-02-05 | Wengeler & Kalthoff | Gesteinschlagbohrer mit hartmetallbestueckter Meisselschneide |
DE937101C (de) * | 1949-03-11 | 1955-12-29 | Gerhard Kuehne | Gesteinsbohrer fuer drehendes Bohren |
DE941182C (de) * | 1952-03-18 | 1956-04-05 | Wilhelm Steinkopf | Schlagbohrkrone fuer Gesteinsbohrer |
FR1265943A (fr) * | 1960-05-25 | 1961-07-07 | Europ De Turboforage Soc | Trépan pour le forage du sol |
US3339649A (en) * | 1965-01-19 | 1967-09-05 | Atlas Copco Ab | Rock drill bits |
DE2701044A1 (de) * | 1976-01-12 | 1977-07-21 | Reed Tool Co | Erdbohrvorrichtung |
DE4012772A1 (de) * | 1990-04-21 | 1991-10-24 | Westa Werkzeugbau | Bohrer fuer bohrhaemmer, insbesondere zum bohren im gestein, beton o. dgl. |
DE29611966U1 (de) * | 1996-07-10 | 1997-11-13 | Friedr. Ischebeck Gmbh, 58256 Ennepetal | Bohrkrone |
AT12096U1 (de) * | 2009-12-23 | 2011-10-15 | Dywidag Systems Int Gmbh | Bohrkrone zum bohren, insbesondere schlag- oder drehschlagbohren von löchern in boden- oder gesteinsmaterial |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19545648A1 (de) * | 1995-12-07 | 1997-06-12 | Hilti Ag | Drehschlag-Wendelbohrer |
DE19724373A1 (de) * | 1997-06-10 | 1998-12-17 | Hilti Ag | Gesteinsbohrer |
DE19916975A1 (de) | 1999-04-15 | 2000-10-19 | Hilti Ag | Gesteinsbohrer |
DE10053344A1 (de) * | 2000-10-27 | 2002-05-08 | Hilti Ag | Gesteinsbohrer |
DE102008043999A1 (de) * | 2008-11-24 | 2010-05-27 | Robert Bosch Gmbh | Bohrwerkzeug insbesondere für Bohr- und/oder Meißelgeräte |
-
2013
- 2013-03-05 AT ATGM72/2013U patent/AT13738U1/de not_active IP Right Cessation
-
2014
- 2014-03-05 EP EP14450008.9A patent/EP2775090A3/de not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1169369A (en) * | 1916-01-25 | Samuel Peck | Drill. | |
DE865874C (de) * | 1941-05-09 | 1953-02-05 | Wengeler & Kalthoff | Gesteinschlagbohrer mit hartmetallbestueckter Meisselschneide |
DE937101C (de) * | 1949-03-11 | 1955-12-29 | Gerhard Kuehne | Gesteinsbohrer fuer drehendes Bohren |
DE941182C (de) * | 1952-03-18 | 1956-04-05 | Wilhelm Steinkopf | Schlagbohrkrone fuer Gesteinsbohrer |
FR1265943A (fr) * | 1960-05-25 | 1961-07-07 | Europ De Turboforage Soc | Trépan pour le forage du sol |
US3339649A (en) * | 1965-01-19 | 1967-09-05 | Atlas Copco Ab | Rock drill bits |
DE2701044A1 (de) * | 1976-01-12 | 1977-07-21 | Reed Tool Co | Erdbohrvorrichtung |
DE4012772A1 (de) * | 1990-04-21 | 1991-10-24 | Westa Werkzeugbau | Bohrer fuer bohrhaemmer, insbesondere zum bohren im gestein, beton o. dgl. |
DE29611966U1 (de) * | 1996-07-10 | 1997-11-13 | Friedr. Ischebeck Gmbh, 58256 Ennepetal | Bohrkrone |
AT12096U1 (de) * | 2009-12-23 | 2011-10-15 | Dywidag Systems Int Gmbh | Bohrkrone zum bohren, insbesondere schlag- oder drehschlagbohren von löchern in boden- oder gesteinsmaterial |
Also Published As
Publication number | Publication date |
---|---|
EP2775090A2 (de) | 2014-09-10 |
AT13738U1 (de) | 2014-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20140305 |
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AX | Request for extension of the european patent |
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AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: E21B 10/62 20060101ALI20160414BHEP Ipc: E21B 10/36 20060101AFI20160414BHEP Ipc: E21B 10/58 20060101ALI20160414BHEP Ipc: E21B 10/60 20060101ALI20160414BHEP Ipc: E21B 10/38 20060101ALI20160414BHEP |
|
R17P | Request for examination filed (corrected) |
Effective date: 20161024 |
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RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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17Q | First examination report despatched |
Effective date: 20180111 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20180523 |