EP1225300A3 - Rock drill bit - Google Patents
Rock drill bit Download PDFInfo
- Publication number
- EP1225300A3 EP1225300A3 EP02405004A EP02405004A EP1225300A3 EP 1225300 A3 EP1225300 A3 EP 1225300A3 EP 02405004 A EP02405004 A EP 02405004A EP 02405004 A EP02405004 A EP 02405004A EP 1225300 A3 EP1225300 A3 EP 1225300A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- rock drill
- drill bit
- cutting edge
- secondary cutting
- arranged radially
- 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.)
- Granted
Links
- 239000011435 rock Substances 0.000 title abstract 2
- 235000002505 Centaurea nigra Nutrition 0.000 abstract 1
- 241001073742 Mylopharodon conocephalus Species 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
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
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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
Ein Gesteinsbohrer für Handwerkzeuggeräte mit einem Vollhartstoffkopf (1) mit einer Hauptschneide (2) und zumindest einer radial ausschliesslich im äusseren Bereich angeordneten Nebenschneide (3a, 3b), welche eine bogenförmig verlaufende Nebenschneidkante (4a, 4b) aufweist. A rock drill for hand tools with a solid hard head (1) with a main cutting edge (2) and at least one secondary cutting edge (3a, 3b) arranged radially exclusively in the outer area, which has an arcuate secondary cutting edge (4a, 4b).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10117262 | 2001-01-17 | ||
DE10117262A DE10117262A1 (en) | 2001-01-17 | 2001-01-17 | Rock drill has head with main and subsidiary blades, curved and diametrically opposite cutting edges, and point |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1225300A2 EP1225300A2 (en) | 2002-07-24 |
EP1225300A3 true EP1225300A3 (en) | 2003-11-19 |
EP1225300B1 EP1225300B1 (en) | 2006-05-10 |
Family
ID=7680683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02405004A Expired - Lifetime EP1225300B1 (en) | 2001-01-17 | 2002-01-08 | Rock drill bit |
Country Status (4)
Country | Link |
---|---|
US (1) | US6843334B2 (en) |
EP (1) | EP1225300B1 (en) |
JP (1) | JP3921089B2 (en) |
DE (2) | DE10117262A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003103914A1 (en) * | 2002-06-06 | 2003-12-18 | 株式会社ミヤナガ | Drill bit |
US6883624B2 (en) * | 2003-01-31 | 2005-04-26 | Smith International, Inc. | Multi-lobed cutter element for drill bit |
DE502004004463D1 (en) * | 2003-11-17 | 2007-09-06 | Bosch Gmbh Robert | DRILLING AND / OR CHISELING TOOL |
US7690442B2 (en) * | 2005-05-17 | 2010-04-06 | Smith International, Inc. | Drill bit and cutting inserts for hard/abrasive formations |
US7624825B2 (en) * | 2005-10-18 | 2009-12-01 | Smith International, Inc. | Drill bit and cutter element having aggressive leading side |
DE102006000083A1 (en) * | 2006-02-20 | 2007-08-23 | Hilti Ag | anchor drill head |
DE102006020538A1 (en) * | 2006-05-03 | 2007-11-15 | Irwin Industrial Tools Gmbh | Drilling head for drilling tool and drilling tool |
DE102006000221A1 (en) * | 2006-05-10 | 2007-11-15 | Hilti Ag | Hard material drilling head |
US7743855B2 (en) * | 2006-09-05 | 2010-06-29 | Smith International, Inc. | Drill bit with cutter element having multifaceted, slanted top cutting surface |
ES2315979T3 (en) | 2006-09-26 | 2009-04-01 | BARO GMBH & CO. KG | LIGHTING INSTALLATION. |
DE102007000534A1 (en) * | 2007-10-19 | 2009-04-23 | Hilti Aktiengesellschaft | percussion |
DE202008014317U1 (en) | 2008-10-28 | 2009-01-29 | BÄRO GmbH & Co. KG | lamp |
US7861807B2 (en) * | 2008-12-03 | 2011-01-04 | Black & Decker Inc. | Drill bit including one piece cutting head |
US20140182947A1 (en) | 2012-12-28 | 2014-07-03 | Smith International, Inc. | Cutting insert for percussion drill bit |
CN108474239A (en) | 2016-01-13 | 2018-08-31 | 斯伦贝谢技术有限公司 | Angled chisel insertion piece |
EP4375476A1 (en) * | 2022-11-22 | 2024-05-29 | Hilti Aktiengesellschaft | Rock drill with five cutters |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4012772A1 (en) * | 1990-04-21 | 1991-10-24 | Westa Werkzeugbau | Hammer drill bit - has cruciform cutters with notches in two opposite ones |
EP0965405A2 (en) * | 1998-06-20 | 1999-12-22 | HILTI Aktiengesellschaft | Drilling tool |
EP1045112A1 (en) * | 1999-04-15 | 2000-10-18 | HILTI Aktiengesellschaft | Masonry drill |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1812229A1 (en) * | 1968-12-02 | 1971-01-14 | Hilti Ag | Drill or drill holder for hammer drills |
US3647310A (en) * | 1970-04-03 | 1972-03-07 | Mansfield K Morse | Universal hole saw arbor |
DE2129913A1 (en) * | 1971-06-16 | 1972-12-21 | Hilti Ag | Rock drill |
DE2414354A1 (en) * | 1974-03-26 | 1975-10-16 | Heller Geb | ROCK DRILLS |
DE2807156C2 (en) * | 1978-02-20 | 1986-11-20 | Gebrüder Heller Verwaltungsgesellschaft mbH, 2807 Achim | Rock drilling tool |
DE3426977A1 (en) * | 1984-07-21 | 1986-01-30 | Hawera Probst Gmbh + Co, 7980 Ravensburg | ROCK DRILL |
JP2534676Y2 (en) | 1989-04-24 | 1997-05-07 | 仁 下城 | Coverless passenger car |
US5273380A (en) | 1992-07-31 | 1993-12-28 | Musacchia James E | Drill bit point |
DE4339245A1 (en) * | 1993-11-18 | 1995-05-24 | Hilti Ag | Twist drill |
US5466099A (en) * | 1993-12-13 | 1995-11-14 | Tdw Delaware, Inc. | Cutter shell for forming holes of improved cylindricality |
DE4436917A1 (en) * | 1994-10-15 | 1996-04-18 | Hilti Ag | Drilling unit with hollow core bit and centering mandrel |
DE19545647A1 (en) * | 1995-12-07 | 1997-06-12 | Hilti Ag | Rotary impact twist drill |
DE19650487A1 (en) * | 1996-12-05 | 1998-06-10 | Hilti Ag | Drilling tool |
DE19711261A1 (en) * | 1997-03-18 | 1998-09-24 | Hilti Ag | Combi drilling tool |
DE19724373A1 (en) * | 1997-06-10 | 1998-12-17 | Hilti Ag | Rock drill |
DE19740277B4 (en) * | 1997-09-13 | 2012-05-24 | Robert Bosch Gmbh | drilling |
DE19748987B4 (en) * | 1997-11-06 | 2007-11-22 | Robert Bosch Gmbh | Drilling tool, in particular for rotary impact drilling of preferably rock |
DE10006932A1 (en) * | 2000-02-16 | 2001-08-23 | Hilti Ag | Rock drilling tool |
DE10006936A1 (en) * | 2000-02-16 | 2001-08-23 | Hilti Ag | Rock drilling tool |
-
2001
- 2001-01-17 DE DE10117262A patent/DE10117262A1/en not_active Withdrawn
-
2002
- 2002-01-08 EP EP02405004A patent/EP1225300B1/en not_active Expired - Lifetime
- 2002-01-08 DE DE50206710T patent/DE50206710D1/en not_active Expired - Lifetime
- 2002-01-16 US US10/050,223 patent/US6843334B2/en not_active Expired - Lifetime
- 2002-01-16 JP JP2002006989A patent/JP3921089B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4012772A1 (en) * | 1990-04-21 | 1991-10-24 | Westa Werkzeugbau | Hammer drill bit - has cruciform cutters with notches in two opposite ones |
EP0965405A2 (en) * | 1998-06-20 | 1999-12-22 | HILTI Aktiengesellschaft | Drilling tool |
EP1045112A1 (en) * | 1999-04-15 | 2000-10-18 | HILTI Aktiengesellschaft | Masonry drill |
Also Published As
Publication number | Publication date |
---|---|
DE50206710D1 (en) | 2006-06-14 |
US6843334B2 (en) | 2005-01-18 |
DE10117262A1 (en) | 2002-07-18 |
US20020108789A1 (en) | 2002-08-15 |
EP1225300B1 (en) | 2006-05-10 |
JP3921089B2 (en) | 2007-05-30 |
EP1225300A2 (en) | 2002-07-24 |
JP2002273723A (en) | 2002-09-25 |
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