GB348876A - Improvements in and relating to clamping devices for mining, quarrying and tunnelling purposes - Google Patents
Improvements in and relating to clamping devices for mining, quarrying and tunnelling purposesInfo
- Publication number
- GB348876A GB348876A GB1471330A GB1471330A GB348876A GB 348876 A GB348876 A GB 348876A GB 1471330 A GB1471330 A GB 1471330A GB 1471330 A GB1471330 A GB 1471330A GB 348876 A GB348876 A GB 348876A
- Authority
- GB
- United Kingdom
- Prior art keywords
- quarrying
- tunnelling
- mining
- operated
- hole
- 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
- 238000005065 mining Methods 0.000 title abstract 3
- 241000282472 Canis lupus familiaris Species 0.000 abstract 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
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)
Abstract
348,876. Mining, quarrying, and tunnelling. SCHAFER, A., Handlova, Slovakei, Czecho-Slovakia. May 13, 1930. No. 14713. [Classes 68 (i) and 85.] In mining, quarrying or tunnelling, a hole 16 is bored by a crown &c. drill 4 operated by a handle 5 or by power, and a column 1 is then placed in the hole andfixed by pivoted dogs 6 operated by wedges 9 and screws 11, or by electric or hydraulic means, the column 1 forming a guide for the drill in deepening the hole ; the material around the hole is operated on by a slotting &c. tool 19 pivoted to an arm 17 on the column. The tool 19 may be operated by a handle 20. The arm 17 may be extensible or rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1471330A GB348876A (en) | 1930-05-13 | 1930-05-13 | Improvements in and relating to clamping devices for mining, quarrying and tunnelling purposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1471330A GB348876A (en) | 1930-05-13 | 1930-05-13 | Improvements in and relating to clamping devices for mining, quarrying and tunnelling purposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB348876A true GB348876A (en) | 1931-05-21 |
Family
ID=10046177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1471330A Expired GB348876A (en) | 1930-05-13 | 1930-05-13 | Improvements in and relating to clamping devices for mining, quarrying and tunnelling purposes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB348876A (en) |
-
1930
- 1930-05-13 GB GB1471330A patent/GB348876A/en not_active Expired
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