GB191025940A - Improvements in or relating to Rock Drills. - Google Patents
Improvements in or relating to Rock Drills.Info
- Publication number
- GB191025940A GB191025940A GB191025940DA GB191025940A GB 191025940 A GB191025940 A GB 191025940A GB 191025940D A GB191025940D A GB 191025940DA GB 191025940 A GB191025940 A GB 191025940A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- supply
- communication
- ports
- passage
- 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
- 239000011435 rock Substances 0.000 title abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 239000007788 liquid Substances 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
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
25,940. Waugh, D. S. Nov. 8. Drills.-In a rock drill, a valve 45 has two ports, of which one is adapted to place the motive-fluid supply chamber 39 in communication with a passage 43 leading to the bit, and the other is adapted to place a liquid-supply pipe into communication with the passage 43. The valve may be rotated by a sleeve 50 mounted on the turning-handle 38 and engaging a stem 53 threaded into the valve, so as to supply either gas or liquid to the bore-hole for cleansing purposes. The valve 45 and the valve 30 controlling the supply to the motor are held on their seats by a spring. The valve 30 has ports 33, 34 by means of which fluid may be admitted from the supply chamber 39 to the feed-cylinder 20, and from this to the motor 11, and also has an exhaust port 36, which may be put into communication with a port 35.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191025940T | 1910-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191025940A true GB191025940A (en) | 1911-06-21 |
Family
ID=32494566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191025940D Expired GB191025940A (en) | 1910-11-08 | 1910-11-08 | Improvements in or relating to Rock Drills. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB191025940A (en) |
-
1910
- 1910-11-08 GB GB191025940D patent/GB191025940A/en not_active Expired
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