GB308542A - Improvements relating to percussive rock-drilling tools - Google Patents
Improvements relating to percussive rock-drilling toolsInfo
- Publication number
- GB308542A GB308542A GB2384028A GB2384028A GB308542A GB 308542 A GB308542 A GB 308542A GB 2384028 A GB2384028 A GB 2384028A GB 2384028 A GB2384028 A GB 2384028A GB 308542 A GB308542 A GB 308542A
- Authority
- GB
- United Kingdom
- Prior art keywords
- improvements relating
- percussive rock
- drilling tools
- cutting edges
- percussive
- 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
- 238000005553 drilling Methods 0.000 title abstract 2
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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
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
308,542. Sauer, C., and Nepke, H. Aug. 18, 1928. Percissive drills.-A percussive rock-drilling tool with a helically grooved shank is provided with several cutting edges c<1>, c<2>, c<3>, each formed by the inter-section of two surfaces of different inclination. Rim cutting edges e<1>, e<2>, e<3> may be provided if desired at the outer ends of the cutting edges.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2384028A GB308542A (en) | 1928-08-18 | 1928-08-18 | Improvements relating to percussive rock-drilling tools |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2384028A GB308542A (en) | 1928-08-18 | 1928-08-18 | Improvements relating to percussive rock-drilling tools |
Publications (1)
Publication Number | Publication Date |
---|---|
GB308542A true GB308542A (en) | 1929-03-28 |
Family
ID=10202152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2384028A Expired GB308542A (en) | 1928-08-18 | 1928-08-18 | Improvements relating to percussive rock-drilling tools |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB308542A (en) |
-
1928
- 1928-08-18 GB GB2384028A patent/GB308542A/en not_active Expired
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