CA1178944A - Extension coupling for rock drilling equipment - Google Patents
Extension coupling for rock drilling equipmentInfo
- Publication number
- CA1178944A CA1178944A CA000400710A CA400710A CA1178944A CA 1178944 A CA1178944 A CA 1178944A CA 000400710 A CA000400710 A CA 000400710A CA 400710 A CA400710 A CA 400710A CA 1178944 A CA1178944 A CA 1178944A
- Authority
- CA
- Canada
- Prior art keywords
- coupling
- sleeve
- rod
- coupling rod
- screw
- 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.)
- Expired
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 51
- 238000010168 coupling process Methods 0.000 title claims abstract description 51
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 51
- 238000005553 drilling Methods 0.000 title claims abstract description 13
- 239000011435 rock Substances 0.000 title claims abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 12
- 230000008093 supporting effect Effects 0.000 abstract description 4
- 238000009527 percussion Methods 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE81.02626-2 | 1981-04-24 | ||
| SE8102626A SE426089B (sv) | 1981-04-24 | 1981-04-24 | Skarvforband vid bergborrutrustning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1178944A true CA1178944A (en) | 1984-12-04 |
Family
ID=20343676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000400710A Expired CA1178944A (en) | 1981-04-24 | 1982-04-08 | Extension coupling for rock drilling equipment |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0077336B1 (sv) |
| AU (1) | AU547091B2 (sv) |
| CA (1) | CA1178944A (sv) |
| DE (1) | DE3264233D1 (sv) |
| FI (1) | FI77303C (sv) |
| IE (1) | IE52613B1 (sv) |
| SE (1) | SE426089B (sv) |
| WO (1) | WO1982003653A1 (sv) |
| ZA (1) | ZA822203B (sv) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2553171B1 (fr) * | 1983-10-03 | 1988-04-08 | Dril Quip Inc | Appareil et procede pour raccorder notamment des elements cylindriques tels que des tubes |
| SE8600199L (sv) * | 1986-01-17 | 1987-07-18 | Loevab Loef Och Oestlund Ab | Borrverktyg |
| US5622820A (en) * | 1988-03-10 | 1997-04-22 | City Of Hope | Method for amplification and detection of RNA and DNA sequences |
| SE522221C2 (sv) * | 2001-10-12 | 2004-01-27 | Sandvik Ab | Gängförband för slående bergborrning |
| JP4954542B2 (ja) | 2005-12-09 | 2012-06-20 | 三菱マテリアル株式会社 | 掘削ロッド、掘削ビット及び掘削工具 |
| CA2652279A1 (en) * | 2006-05-17 | 2007-11-22 | Sandvik Intellectual Property Ab | A rock-drilling tool, a drill rod and a coupling sleeve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2122757A (en) * | 1935-07-05 | 1938-07-05 | Hughes Tool Co | Drill stem coupling |
| SE401232B (sv) * | 1970-05-04 | 1978-04-24 | Sandvik Ab | Gengad forbindning for slagborrstenger |
-
1981
- 1981-04-24 SE SE8102626A patent/SE426089B/sv not_active IP Right Cessation
-
1982
- 1982-03-26 DE DE8282901041T patent/DE3264233D1/de not_active Expired
- 1982-03-26 AU AU82756/82A patent/AU547091B2/en not_active Ceased
- 1982-03-26 EP EP82901041A patent/EP0077336B1/en not_active Expired
- 1982-03-26 WO PCT/SE1982/000091 patent/WO1982003653A1/en active IP Right Grant
- 1982-03-31 ZA ZA822203A patent/ZA822203B/xx unknown
- 1982-04-08 CA CA000400710A patent/CA1178944A/en not_active Expired
- 1982-04-23 IE IE955/82A patent/IE52613B1/en unknown
- 1982-12-16 FI FI824324A patent/FI77303C/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI824324A0 (fi) | 1982-12-16 |
| EP0077336A1 (en) | 1983-04-27 |
| DE3264233D1 (en) | 1985-08-01 |
| EP0077336B1 (en) | 1985-06-19 |
| AU8275682A (en) | 1982-11-04 |
| FI77303B (fi) | 1988-10-31 |
| IE820955L (en) | 1982-10-24 |
| FI77303C (sv) | 1989-02-10 |
| SE426089B (sv) | 1982-12-06 |
| WO1982003653A1 (en) | 1982-10-28 |
| FI824324L (fi) | 1982-12-16 |
| IE52613B1 (en) | 1987-12-23 |
| AU547091B2 (en) | 1985-10-03 |
| ZA822203B (en) | 1983-02-23 |
| SE8102626L (sv) | 1982-10-25 |
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| Publication | Publication Date | Title |
|---|---|---|
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| FI84746C (sv) | Borrelement för slagborrning | |
| CA1178944A (en) | Extension coupling for rock drilling equipment | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |