JPS4943441B1 - - Google Patents
Info
- Publication number
- JPS4943441B1 JPS4943441B1 JP12189870A JP12189870A JPS4943441B1 JP S4943441 B1 JPS4943441 B1 JP S4943441B1 JP 12189870 A JP12189870 A JP 12189870A JP 12189870 A JP12189870 A JP 12189870A JP S4943441 B1 JPS4943441 B1 JP S4943441B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
-
- 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
- E21B10/40—Percussion drill bits with leading portion
-
- 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
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6323869 | 1969-12-30 | ||
| GB6323969 | 1969-12-30 | ||
| GB91370 | 1970-01-08 | ||
| GB2122170 | 1970-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4943441B1 true JPS4943441B1 (en) | 1974-11-21 |
Family
ID=27447105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12189870A Pending JPS4943441B1 (en) | 1969-12-30 | 1970-12-29 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4943441B1 (en) |
| CA (1) | CA935810A (en) |
| CH (1) | CH528638A (en) |
| FR (1) | FR2083863A5 (en) |
| IE (1) | IE34834B1 (en) |
| SE (1) | SE395502B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA772816B (en) * | 1977-05-11 | 1978-08-30 | Delfos & Atlas Copco | Improvements in or relating to mining,quarrying and similar rigs |
| SE527583C2 (en) * | 2005-03-14 | 2006-04-18 | Atlas Copco Rock Drills Ab | Rock drill, has drilling device moved using press cylinder housed inside feeder beam |
-
1970
- 1970-12-22 IE IE162970A patent/IE34834B1/en unknown
- 1970-12-29 JP JP12189870A patent/JPS4943441B1/ja active Pending
- 1970-12-29 SE SE1769470A patent/SE395502B/en unknown
- 1970-12-30 CA CA101749A patent/CA935810A/en not_active Expired
- 1970-12-30 FR FR7047385A patent/FR2083863A5/fr not_active Expired
- 1970-12-30 CH CH1933470A patent/CH528638A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IE34834L (en) | 1971-06-30 |
| FR2083863A5 (en) | 1971-12-17 |
| CA935810A (en) | 1973-10-23 |
| SE395502B (en) | 1977-08-15 |
| CH528638A (en) | 1972-09-30 |
| IE34834B1 (en) | 1975-09-03 |