PL250631A1 - Drill bit - Google Patents
Drill bitInfo
- Publication number
- PL250631A1 PL250631A1 PL25063184A PL25063184A PL250631A1 PL 250631 A1 PL250631 A1 PL 250631A1 PL 25063184 A PL25063184 A PL 25063184A PL 25063184 A PL25063184 A PL 25063184A PL 250631 A1 PL250631 A1 PL 250631A1
- Authority
- PL
- Poland
- Prior art keywords
- drill bit
- drill
- bit
- Prior art date
Links
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
- E21B10/26—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
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)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55600583A | 1983-11-29 | 1983-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
PL250631A1 true PL250631A1 (en) | 1985-08-13 |
Family
ID=24219495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL25063184A PL250631A1 (en) | 1983-11-29 | 1984-11-29 | Drill bit |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0163727A1 (xx) |
KR (1) | KR850004138A (xx) |
AU (1) | AU3743185A (xx) |
CA (1) | CA1240311A (xx) |
IT (1) | IT1178643B (xx) |
PL (1) | PL250631A1 (xx) |
WO (1) | WO1985002442A1 (xx) |
ZA (1) | ZA849207B (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3621414A1 (de) * | 1986-06-26 | 1988-01-07 | Hawera Probst Kg Hartmetall | Bohrwerkzeug |
US5172775A (en) * | 1991-03-06 | 1992-12-22 | Kennametal Inc. | Rotary drill bit insert |
DE19964272C2 (de) * | 1999-09-16 | 2003-05-28 | Heller Dinklage Gmbh Geb | Bohrer, insbesondere Gesteinsbohrer |
US6595305B1 (en) | 2000-02-15 | 2003-07-22 | Kennametal Inc. | Drill bit, hard member, and bit body |
DE10129064A1 (de) | 2001-06-15 | 2002-12-19 | Hilti Ag | Gesteinsbohrwerkzeug |
US6860344B2 (en) | 2001-06-25 | 2005-03-01 | Kennametal Inc. | Monolithic roof cutting bit insert |
US7909547B2 (en) * | 2005-10-08 | 2011-03-22 | Milwaukee Electric Tool Corporation | Replaceable tip for a bit or auger bit |
US8328477B2 (en) | 2006-03-02 | 2012-12-11 | Milwaukee Electric Tool Corporation | Cutting tool |
WO2014121117A1 (en) | 2013-02-01 | 2014-08-07 | Milwaukee Electric Tool Corporation | Auger bit with replaceable cutting bit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2529788A (en) * | 1948-07-06 | 1950-11-14 | Carl A Signell | Drill |
DE803895C (de) * | 1948-12-03 | 1951-04-12 | Herbert Jeschke Dr Ing | Gesteinsschlagbohrer mit Hartmetallschneiden |
US3163246A (en) * | 1963-04-18 | 1964-12-29 | Westinghouse Air Brake Co | Rock drill bit |
US3269471A (en) * | 1963-11-26 | 1966-08-30 | Robert T Alexander | Rock drilling bit |
NL191520C (nl) * | 1980-05-12 | 1995-08-21 | Hoogovens Groep Bv | Tapgatboor voor een hoogoven. |
US4356873A (en) * | 1980-12-08 | 1982-11-02 | Mining Tools, Div. Of Smith Int'l., Inc. | Cutter mounting and apparatus and method for a drill bit |
-
1984
- 1984-11-26 ZA ZA849207A patent/ZA849207B/xx unknown
- 1984-11-28 KR KR1019840007447A patent/KR850004138A/ko not_active Application Discontinuation
- 1984-11-29 PL PL25063184A patent/PL250631A1/xx unknown
- 1984-11-29 AU AU37431/85A patent/AU3743185A/en not_active Abandoned
- 1984-11-29 CA CA000468971A patent/CA1240311A/en not_active Expired
- 1984-11-29 EP EP85900342A patent/EP0163727A1/en not_active Withdrawn
- 1984-11-29 IT IT23810/84A patent/IT1178643B/it active
- 1984-11-29 WO PCT/US1984/001949 patent/WO1985002442A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT8423810A0 (it) | 1984-11-29 |
IT1178643B (it) | 1987-09-09 |
ZA849207B (en) | 1985-07-31 |
EP0163727A1 (en) | 1985-12-11 |
AU3743185A (en) | 1985-06-13 |
WO1985002442A1 (en) | 1985-06-06 |
KR850004138A (ko) | 1985-07-01 |
CA1240311A (en) | 1988-08-09 |
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