SE7607742L - Stigborr med utbytbart skaft - Google Patents
Stigborr med utbytbart skaftInfo
- Publication number
- SE7607742L SE7607742L SE7607742A SE7607742A SE7607742L SE 7607742 L SE7607742 L SE 7607742L SE 7607742 A SE7607742 A SE 7607742A SE 7607742 A SE7607742 A SE 7607742A SE 7607742 L SE7607742 L SE 7607742L
- Authority
- SE
- Sweden
- Prior art keywords
- replacable
- shaft
- joint drill
- drill
- joint
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
-
- 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
- E21B10/08—Roller bits
- E21B10/10—Roller bits with roller axle supported at both ends
-
- 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
- E21B10/08—Roller bits
- E21B10/18—Roller 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/593,839 US4007799A (en) | 1975-07-07 | 1975-07-07 | Raise drill with replaceable stem |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7607742L true SE7607742L (sv) | 1977-01-08 |
SE418519B SE418519B (sv) | 1981-06-09 |
Family
ID=24376409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7607742A SE418519B (sv) | 1975-07-07 | 1976-07-06 | Stigborr med utbytbart skaft |
Country Status (6)
Country | Link |
---|---|
US (1) | US4007799A (sv) |
AU (1) | AU504769B2 (sv) |
CA (1) | CA1057275A (sv) |
SE (1) | SE418519B (sv) |
ZA (2) | ZA763605B (sv) |
ZM (1) | ZM7776A1 (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE414955B (sv) * | 1977-09-09 | 1980-08-25 | Sandvik Ab | Upprymningskrona for stigortsdrivning |
US4202417A (en) * | 1977-09-14 | 1980-05-13 | Smith International, Inc. | Raise drill with elastomeric load absorbing means |
US4195701A (en) * | 1978-07-24 | 1980-04-01 | Smith International, Inc. | Raise drill having water passages directed toward the roller cutters |
US4363367A (en) * | 1981-10-26 | 1982-12-14 | Smith International, Inc. | Large diameter drill bit |
SE463724B (sv) * | 1989-05-09 | 1991-01-14 | Atlas Copco Constr & Mining | Bearbetningsverktyg foer tunnelborrningsmaskin |
ATE283963T1 (de) | 1999-05-14 | 2004-12-15 | Allen Kent Rives | Aufweitbohrer mit ersetzbaren armen und schneideelementen in verschiedenen grössen |
GB2372060B (en) | 2001-02-13 | 2004-01-07 | Smith International | Back reaming tool |
GB2385081B (en) * | 2001-02-13 | 2004-06-30 | Smith International | Back reaming tool |
US20100078223A1 (en) * | 2008-09-26 | 2010-04-01 | Buske Robert J | Plate structure for earth-boring tools, tools including plate structures and methods of forming such tools |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2090356A (en) * | 1935-02-23 | 1937-08-17 | Chicago Pneumatic Tool Co | Annular cutting or bore hole enlarging apparatus |
US2239461A (en) * | 1938-08-31 | 1941-04-22 | Mann Reginald William | Rock boring bit |
US3092190A (en) * | 1960-04-04 | 1963-06-04 | Gruere Charles | Large diameter earth drill |
US3384191A (en) * | 1965-08-13 | 1968-05-21 | Reed Roller Bit Co | Drill bit |
US3675729A (en) * | 1970-05-08 | 1972-07-11 | Smith International | Bit lubrication system |
US3866698A (en) * | 1973-11-16 | 1975-02-18 | Reed Tool Co | Raise drilling bit |
US3902562A (en) * | 1974-01-02 | 1975-09-02 | Hughes Tool Co | Segmented earth boring drill bit |
US3920089A (en) * | 1974-03-07 | 1975-11-18 | Dresser Ind | Removable stem for raise bit |
US3917009A (en) * | 1974-09-16 | 1975-11-04 | Dresser Ind | Removable stem for raise bits |
-
1975
- 1975-07-07 US US05/593,839 patent/US4007799A/en not_active Expired - Lifetime
-
1976
- 1976-06-17 ZA ZA00763605A patent/ZA763605B/xx unknown
- 1976-06-17 ZA ZA00777511A patent/ZA777511B/xx unknown
- 1976-06-28 ZM ZM77/76A patent/ZM7776A1/xx unknown
- 1976-06-29 CA CA255,973A patent/CA1057275A/en not_active Expired
- 1976-07-05 AU AU15599/76A patent/AU504769B2/en not_active Expired
- 1976-07-06 SE SE7607742A patent/SE418519B/sv unknown
Also Published As
Publication number | Publication date |
---|---|
AU504769B2 (en) | 1979-10-25 |
CA1057275A (en) | 1979-06-26 |
SE418519B (sv) | 1981-06-09 |
ZA763605B (en) | 1978-02-22 |
AU1559976A (en) | 1978-01-12 |
US4007799A (en) | 1977-02-15 |
ZM7776A1 (en) | 1977-05-23 |
ZA777511B (en) | 1978-04-26 |
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