SE448015B - Borrkrona med utspridda skerelement samt metod for placering av skerelementen - Google Patents
Borrkrona med utspridda skerelement samt metod for placering av skerelementenInfo
- Publication number
- SE448015B SE448015B SE8102397A SE8102397A SE448015B SE 448015 B SE448015 B SE 448015B SE 8102397 A SE8102397 A SE 8102397A SE 8102397 A SE8102397 A SE 8102397A SE 448015 B SE448015 B SE 448015B
- Authority
- SE
- Sweden
- Prior art keywords
- drill
- drill bit
- row
- drill bits
- area
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 title claims description 102
- 238000000034 method Methods 0.000 title claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 description 45
- 239000010959 steel Substances 0.000 description 45
- 238000005553 drilling Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- 102100025535 Delta(14)-sterol reductase TM7SF2 Human genes 0.000 description 3
- 101000924552 Homo sapiens Angiopoietin-1 Proteins 0.000 description 3
- 101001056901 Homo sapiens Delta(14)-sterol reductase TM7SF2 Proteins 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 102100033903 Isoaspartyl peptidase/L-asparaginase Human genes 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004181 pedogenesis Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- LCXOEQDSHXTPFA-UHFFFAOYSA-N 2-[(1-aminonaphthalen-2-yl)disulfanyl]naphthalen-1-amine Chemical compound C1=CC2=CC=CC=C2C(N)=C1SSC1=CC=C(C=CC=C2)C2=C1N LCXOEQDSHXTPFA-UHFFFAOYSA-N 0.000 description 1
- UEUIKXVPXLWUDU-UHFFFAOYSA-N 4-diazoniobenzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=C([N+]#N)C=C1 UEUIKXVPXLWUDU-UHFFFAOYSA-N 0.000 description 1
- 101100490659 Arabidopsis thaliana AGP17 gene Proteins 0.000 description 1
- 101100342337 Caenorhabditis elegans klf-1 gene Proteins 0.000 description 1
- 241000905957 Channa melasoma Species 0.000 description 1
- 241000283715 Damaliscus lunatus Species 0.000 description 1
- 241001446459 Heia Species 0.000 description 1
- 101000785414 Homo sapiens Ankyrin repeat, SAM and basic leucine zipper domain-containing protein 1 Proteins 0.000 description 1
- 101000925453 Homo sapiens Isoaspartyl peptidase/L-asparaginase Proteins 0.000 description 1
- 241001446467 Mama Species 0.000 description 1
- 241001325209 Nama Species 0.000 description 1
- 101100049938 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) exr-1 gene Proteins 0.000 description 1
- 241000782624 Zema Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 101150101384 rat1 gene Proteins 0.000 description 1
- 102220278745 rs1554306608 Human genes 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 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
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-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
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
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)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16197780A | 1980-06-23 | 1980-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8102397L SE8102397L (sv) | 1981-12-24 |
| SE448015B true SE448015B (sv) | 1987-01-12 |
Family
ID=22583644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8102397A SE448015B (sv) | 1980-06-23 | 1981-04-14 | Borrkrona med utspridda skerelement samt metod for placering av skerelementen |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5715796A (no) |
| AU (1) | AU543784B2 (no) |
| CA (1) | CA1154752A (no) |
| DE (1) | DE3117268A1 (no) |
| GB (1) | GB2078826B (no) |
| NO (1) | NO156952C (no) |
| SE (1) | SE448015B (no) |
| ZA (1) | ZA812521B (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29907492U1 (de) * | 1999-04-29 | 2000-09-28 | Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 41812 Erkelenz | Werkzeug zum Lösen von Erdreich |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2230569A (en) * | 1939-12-20 | 1941-02-04 | Globe Oil Tools Co | Roller cutter |
| US2774571A (en) * | 1954-07-06 | 1956-12-18 | Hughes Tool Co | Cone type well drill |
| US3726350A (en) * | 1971-05-24 | 1973-04-10 | Hughes Tool Co | Anti-tracking earth boring drill |
| US3871488A (en) * | 1974-02-13 | 1975-03-18 | Daniel R Sabre | Rock drilling |
| US4187922A (en) * | 1978-05-12 | 1980-02-12 | Dresser Industries, Inc. | Varied pitch rotary rock bit |
-
1981
- 1981-02-27 CA CA000371949A patent/CA1154752A/en not_active Expired
- 1981-04-14 SE SE8102397A patent/SE448015B/sv not_active IP Right Cessation
- 1981-04-15 ZA ZA00812521A patent/ZA812521B/xx unknown
- 1981-04-16 AU AU69615/81A patent/AU543784B2/en not_active Expired
- 1981-04-21 GB GB8112352A patent/GB2078826B/en not_active Expired
- 1981-04-22 NO NO811356A patent/NO156952C/no unknown
- 1981-04-30 JP JP6614481A patent/JPS5715796A/ja active Granted
- 1981-04-30 DE DE19813117268 patent/DE3117268A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2078826B (en) | 1983-12-07 |
| CA1154752A (en) | 1983-10-04 |
| AU543784B2 (en) | 1985-05-02 |
| ZA812521B (en) | 1982-04-28 |
| NO811356L (no) | 1981-12-28 |
| JPS5715796A (en) | 1982-01-27 |
| AU6961581A (en) | 1982-01-07 |
| DE3117268C2 (no) | 1991-06-06 |
| SE8102397L (sv) | 1981-12-24 |
| GB2078826A (en) | 1982-01-13 |
| NO156952C (no) | 1987-12-23 |
| NO156952B (no) | 1987-09-14 |
| JPH0258433B2 (no) | 1990-12-07 |
| DE3117268A1 (de) | 1982-04-15 |
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| SE448015B (sv) | Borrkrona med utspridda skerelement samt metod for placering av skerelementen | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 8102397-0 Format of ref document f/p: F |
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| NUG | Patent has lapsed |
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