EP0778390A3 - Perceuse rotative hélicoidale à percussion - Google Patents
Perceuse rotative hélicoidale à percussion Download PDFInfo
- Publication number
- EP0778390A3 EP0778390A3 EP96810629A EP96810629A EP0778390A3 EP 0778390 A3 EP0778390 A3 EP 0778390A3 EP 96810629 A EP96810629 A EP 96810629A EP 96810629 A EP96810629 A EP 96810629A EP 0778390 A3 EP0778390 A3 EP 0778390A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- twist drill
- jacket
- pin
- longitudinal axis
- 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
- 238000005520 cutting process Methods 0.000 abstract 4
- 238000005553 drilling Methods 0.000 abstract 1
- 239000002184 metal 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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
-
- 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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19545646 | 1995-12-07 | ||
DE19545646A DE19545646A1 (de) | 1995-12-07 | 1995-12-07 | Drehschlag-Wendelbohrer |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0778390A2 EP0778390A2 (fr) | 1997-06-11 |
EP0778390A3 true EP0778390A3 (fr) | 1998-07-01 |
EP0778390B1 EP0778390B1 (fr) | 2003-10-01 |
Family
ID=7779437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96810629A Expired - Lifetime EP0778390B1 (fr) | 1995-12-07 | 1996-09-25 | Perceuse rotative hélicoidale à percussion |
Country Status (6)
Country | Link |
---|---|
US (1) | US5836408A (fr) |
EP (1) | EP0778390B1 (fr) |
JP (1) | JP3907756B2 (fr) |
CN (1) | CN1079045C (fr) |
DE (2) | DE19545646A1 (fr) |
DK (1) | DK0778390T3 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004016087A1 (de) * | 2004-04-01 | 2005-10-20 | Hilti Ag | Bohrwerkzeug |
SE533277C2 (sv) * | 2008-12-19 | 2010-08-10 | Sandvik Intellectual Property | Borrkropp samt stödlist härför |
EP2682211A1 (fr) * | 2011-02-28 | 2014-01-08 | Tungaloy Corporation | Plot de guidage, corps d'outil de coupe et outil de coupe |
JP5679042B2 (ja) * | 2011-02-28 | 2015-03-04 | 株式会社タンガロイ | ガイドパッド、切削工具本体および切削工具 |
CN102635309B (zh) * | 2012-04-19 | 2017-10-17 | 平阳县鹏伟机械有限责任公司 | 一种冲击钻机的锤头 |
CN105750596B (zh) * | 2015-12-08 | 2018-06-05 | 博世电动工具(中国)有限公司 | 钻头 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0226537A2 (fr) * | 1985-12-16 | 1987-06-24 | HILTI Aktiengesellschaft | Trépan de roche |
DE3740692A1 (de) * | 1987-09-18 | 1989-04-06 | Hawera Probst Kg Hartmetall | Gesteinsbohrer |
DE3825107A1 (de) * | 1988-07-23 | 1990-01-25 | Hilti Ag | Gesteinsbohrer mit schneidplatte |
EP0452255A2 (fr) * | 1990-04-09 | 1991-10-16 | HILTI Aktiengesellschaft | Trépan de roche |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2776819A (en) * | 1953-10-09 | 1957-01-08 | Philip B Brown | Rock drill bit |
US3858671A (en) * | 1973-04-23 | 1975-01-07 | Kennametal Inc | Excavating tool |
DE3919095A1 (de) * | 1988-07-16 | 1990-01-18 | Hawera Probst Kg Hartmetall | Bohrwerkzeug |
US5265688A (en) * | 1990-04-09 | 1993-11-30 | Hilti Aktiengesellschaft | Rock drill |
-
1995
- 1995-12-07 DE DE19545646A patent/DE19545646A1/de not_active Withdrawn
-
1996
- 1996-09-25 EP EP96810629A patent/EP0778390B1/fr not_active Expired - Lifetime
- 1996-09-25 DK DK96810629T patent/DK0778390T3/da active
- 1996-09-25 DE DE59610747T patent/DE59610747D1/de not_active Expired - Fee Related
- 1996-11-26 CN CN96121775A patent/CN1079045C/zh not_active Expired - Fee Related
- 1996-12-09 US US08/762,182 patent/US5836408A/en not_active Expired - Fee Related
- 1996-12-09 JP JP32869196A patent/JP3907756B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0226537A2 (fr) * | 1985-12-16 | 1987-06-24 | HILTI Aktiengesellschaft | Trépan de roche |
DE3740692A1 (de) * | 1987-09-18 | 1989-04-06 | Hawera Probst Kg Hartmetall | Gesteinsbohrer |
DE3825107A1 (de) * | 1988-07-23 | 1990-01-25 | Hilti Ag | Gesteinsbohrer mit schneidplatte |
EP0452255A2 (fr) * | 1990-04-09 | 1991-10-16 | HILTI Aktiengesellschaft | Trépan de roche |
Also Published As
Publication number | Publication date |
---|---|
EP0778390A2 (fr) | 1997-06-11 |
EP0778390B1 (fr) | 2003-10-01 |
DE59610747D1 (de) | 2003-11-06 |
US5836408A (en) | 1998-11-17 |
JPH09177466A (ja) | 1997-07-08 |
JP3907756B2 (ja) | 2007-04-18 |
DE19545646A1 (de) | 1997-06-12 |
CN1079045C (zh) | 2002-02-13 |
CN1159382A (zh) | 1997-09-17 |
DK0778390T3 (da) | 2004-02-09 |
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