GB190472A - Improvements in or relating to rock drills of the reciprocating type - Google Patents
Improvements in or relating to rock drills of the reciprocating typeInfo
- Publication number
- GB190472A GB190472A GB33097/22A GB3309722A GB190472A GB 190472 A GB190472 A GB 190472A GB 33097/22 A GB33097/22 A GB 33097/22A GB 3309722 A GB3309722 A GB 3309722A GB 190472 A GB190472 A GB 190472A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- reciprocating type
- rock drills
- piston
- 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 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000011800 void material 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
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/011—Dust eliminating or dust removing while drilling
- E21B21/013—Dust eliminating or dust removing while drilling by liquids
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
190,472. Mayhew, S. W. Dec. 16, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Percussive drills.-Clearing water for a hollow drill is supplied to a chamber G at the rear end of the barrel and passes through a fixed tube K to a passage b in the drill piston. A bush b<1> in the passage slides on the tube and acts to force the water out during the back stroke of the piston.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ190472X | 1921-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190472A true GB190472A (en) | 1923-11-22 |
Family
ID=19915502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33097/22A Expired GB190472A (en) | 1921-12-16 | 1922-12-04 | Improvements in or relating to rock drills of the reciprocating type |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190472A (en) |
-
1922
- 1922-12-04 GB GB33097/22A patent/GB190472A/en not_active Expired
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