ZA744813B - Improvements in or relating to drilling machines - Google Patents
Improvements in or relating to drilling machinesInfo
- Publication number
- ZA744813B ZA744813B ZA00744813A ZA744813A ZA744813B ZA 744813 B ZA744813 B ZA 744813B ZA 00744813 A ZA00744813 A ZA 00744813A ZA 744813 A ZA744813 A ZA 744813A ZA 744813 B ZA744813 B ZA 744813B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- drilling machines
- drilling
- machines
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/58—Machines slitting by drilling hole on hole
-
- 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/005—Above ground means for handling the core, e.g. for extracting the core from the core barrel
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA00744813A ZA744813B (en) | 1974-07-29 | 1974-07-29 | Improvements in or relating to drilling machines |
AR260999A AR207479A1 (es) | 1974-07-29 | 1975-01-01 | Mejoras en maquinas perforadoras |
DE19752533500 DE2533500A1 (de) | 1974-07-29 | 1975-07-26 | Gesteinsbohrmaschine |
CH980375A CH587409A5 (xx) | 1974-07-29 | 1975-07-28 | |
AT582675A AT337638B (de) | 1974-07-29 | 1975-07-28 | Gesteinsbohrmaschine |
CA232,391A CA1030986A (en) | 1974-07-29 | 1975-07-28 | Drilling machines |
AU83474/75A AU487048B2 (en) | 1974-07-29 | 1975-07-29 | Improvements in or relating to drilling machines |
BR7504844*A BR7504844A (pt) | 1974-07-29 | 1975-07-29 | Maquina de perfurar rocha |
FR7523653A FR2280785A1 (fr) | 1974-07-29 | 1975-07-29 | Perfectionnements relatifs aux foreuses |
ES439831A ES439831A1 (es) | 1974-07-29 | 1975-07-29 | Perfeccionamientos en maquinas perforadoras de rocas. |
GB3176275A GB1464826A (en) | 1974-07-29 | 1975-07-29 | Drilling machines |
JP50092441A JPS5137802A (xx) | 1974-07-29 | 1975-07-29 | |
BE158728A BE831865A (fr) | 1974-07-29 | 1975-07-29 | Perfectionnements aux perforatrices |
IT25891/75A IT1040260B (it) | 1974-07-29 | 1975-07-29 | Perfezionamenti a o relativi a macchine perforatrici |
ZM110/75A ZM11075A1 (en) | 1974-07-29 | 1975-08-01 | Improvements in or relating to drilling machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA00744813A ZA744813B (en) | 1974-07-29 | 1974-07-29 | Improvements in or relating to drilling machines |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA744813B true ZA744813B (en) | 1976-03-31 |
Family
ID=25567952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00744813A ZA744813B (en) | 1974-07-29 | 1974-07-29 | Improvements in or relating to drilling machines |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE831865A (xx) |
ZA (1) | ZA744813B (xx) |
ZM (1) | ZM11075A1 (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103422516B (zh) * | 2013-08-16 | 2015-09-09 | 中交第一航务工程勘察设计院有限公司 | 超长空心钢管嵌岩斜桩混凝土取芯导向定位装置 |
-
1974
- 1974-07-29 ZA ZA00744813A patent/ZA744813B/xx unknown
-
1975
- 1975-07-29 BE BE158728A patent/BE831865A/fr not_active IP Right Cessation
- 1975-08-01 ZM ZM110/75A patent/ZM11075A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE831865A (fr) | 1975-11-17 |
ZM11075A1 (en) | 1976-10-21 |
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