CS272904B1 - Drilling tool - Google Patents
Drilling tool Download PDFInfo
- Publication number
- CS272904B1 CS272904B1 CS609388A CS609388A CS272904B1 CS 272904 B1 CS272904 B1 CS 272904B1 CS 609388 A CS609388 A CS 609388A CS 609388 A CS609388 A CS 609388A CS 272904 B1 CS272904 B1 CS 272904B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- tool
- flat bar
- reinforcement
- cross
- tool according
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims description 18
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS609388A CS272904B1 (en) | 1988-09-12 | 1988-09-12 | Drilling tool |
EP89116760A EP0361189A1 (de) | 1988-09-12 | 1989-09-11 | Bohrwerkzeug mit schraubenförmigem Schaft |
DK447689A DK447689A (da) | 1988-09-12 | 1989-09-11 | Borevaerktoej |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS609388A CS272904B1 (en) | 1988-09-12 | 1988-09-12 | Drilling tool |
Publications (2)
Publication Number | Publication Date |
---|---|
CS609388A1 CS609388A1 (en) | 1990-03-14 |
CS272904B1 true CS272904B1 (en) | 1991-02-12 |
Family
ID=5407170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS609388A CS272904B1 (en) | 1988-09-12 | 1988-09-12 | Drilling tool |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0361189A1 (da) |
CS (1) | CS272904B1 (da) |
DK (1) | DK447689A (da) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4314868C2 (de) * | 1993-05-05 | 2002-05-16 | Hawera Probst Kg Hartmetall | Bohrwerkzeug |
EP0730509A1 (de) * | 1994-09-06 | 1996-09-11 | Karl Metzger | Verfahren zur herstellung eines mehrschneiden-werkzeuges |
DE19650487A1 (de) * | 1996-12-05 | 1998-06-10 | Hilti Ag | Bohrwerkzeug |
DE19722518A1 (de) * | 1997-05-30 | 1998-12-03 | Hawera Probst Gmbh | Bohrwerkzeug, insbesondere Gesteinsbohrer |
DE19722519A1 (de) | 1997-05-30 | 1998-12-03 | Hawera Probst Gmbh | Bohrwerkzeug |
DE19722517A1 (de) | 1997-05-30 | 1998-12-03 | Hawera Probst Gmbh | Bohrwerkzeug |
DE19859885B4 (de) * | 1998-05-20 | 2005-06-16 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Bohrwerkzeugs |
DE19915304B4 (de) * | 1999-03-22 | 2006-07-27 | Robert Bosch Gmbh | Bohrwerkzeug |
DE19915305C2 (de) * | 1999-04-03 | 2003-11-20 | Hawera Probst Gmbh | Bohrwerkzeug |
DE10009732A1 (de) * | 2000-03-02 | 2001-09-06 | Hawera Probst Gmbh | Gesteinsbohrer |
DE10047332A1 (de) | 2000-09-25 | 2002-04-11 | Hilti Ag | Werkzeug mit Wendel |
DK1875032T3 (da) * | 2005-04-28 | 2011-01-10 | Irwin Ind Tool Company As | Boreværktøj |
DE102009055748A1 (de) * | 2009-11-26 | 2011-06-09 | Südsta AG | Verfahren zur Herstellung eines Bohrers |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR408276A (da) * | 1900-01-01 | |||
DE493860C (de) * | 1930-03-12 | Siemens Schuckertwerke Akt Ges | Verfahren zur Herstellung von Bohrern mit Schneidentraegern aus Hartmetall | |
GB567028A (da) * | 1900-01-01 | |||
FR356051A (fr) * | 1905-07-11 | 1905-11-20 | Johann Fischer | Fer de mine rotatif |
US2504601A (en) * | 1947-12-30 | 1950-04-18 | Earl M Spry | Auger drill |
DE887631C (de) * | 1951-05-23 | 1953-08-24 | Alfred Kunkel | Steinbohrer |
CH331438A (de) * | 1955-02-02 | 1958-07-31 | Kunkel Alfred | Gesteinsbohrer |
DE3317989A1 (de) * | 1983-05-18 | 1984-11-22 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Bohrwerkzeug |
-
1988
- 1988-09-12 CS CS609388A patent/CS272904B1/cs unknown
-
1989
- 1989-09-11 EP EP89116760A patent/EP0361189A1/de not_active Withdrawn
- 1989-09-11 DK DK447689A patent/DK447689A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CS609388A1 (en) | 1990-03-14 |
EP0361189A1 (de) | 1990-04-04 |
DK447689A (da) | 1990-03-13 |
DK447689D0 (da) | 1989-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4579180A (en) | Drilling bit | |
CS272904B1 (en) | Drilling tool | |
RU2455127C2 (ru) | Сверло для вырезания отверстия с плоским основанием | |
US6021857A (en) | Drill bit | |
US2600286A (en) | Drill bit | |
US6116361A (en) | Boring tool | |
US6981496B2 (en) | Point chisel | |
US20010000224A1 (en) | Cutting tools for drilling concrete, aggregate, masonry or the like materials | |
US4776413A (en) | Button insert for rock drill bits | |
EP0177467B1 (en) | Drill steel | |
US7137462B2 (en) | Drill bit | |
AU631054B2 (en) | Rock drill | |
US6675917B2 (en) | Twist drill bit for rock drilling | |
AU2008249187A1 (en) | Drill bit | |
US20020170752A1 (en) | Twist drill | |
US20220339715A1 (en) | Drill bit | |
EP0843772B1 (en) | Cutting tool for drilling concrete, aggregate or masonry | |
US5893688A (en) | Masonry drill bit | |
EP1923159A1 (de) | Bohrwerkzeug mit Hartstoffkopf | |
CA2430516C (en) | Shank for a rotary and/or percussive tool | |
US6571890B2 (en) | Twist drill | |
CA1324013C (en) | Masonary drill tip with strong and chamfered cutting edges | |
US2876995A (en) | Percussion drills | |
CN1259189A (zh) | 一种钻具 | |
US20020129807A1 (en) | Tubular carrier for a core drill |