GB791412A - Roller cutter for earth drill - Google Patents
Roller cutter for earth drillInfo
- Publication number
- GB791412A GB791412A GB367256A GB367256A GB791412A GB 791412 A GB791412 A GB 791412A GB 367256 A GB367256 A GB 367256A GB 367256 A GB367256 A GB 367256A GB 791412 A GB791412 A GB 791412A
- Authority
- GB
- United Kingdom
- Prior art keywords
- series
- roller cutter
- earth
- earth drill
- drill
- 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
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
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
791,412. Earth-boring drills. HUGHES TOOL CO. Feb. 6, 1956, No. 3672/56 Class 85 A roller cutter for an earth-boring drill comprises bottom and wall cutting surfaces 7, 8 respectively, and a series 25 of wear resistant inserts protruding slightly above the surface 8. Further insert series 9...12, are located in the surface 7. The cutter will drill a full diameter hole after the junction of the surfaces and the series 12 of inserts have disintegrated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB367256A GB791412A (en) | 1956-02-06 | 1956-02-06 | Roller cutter for earth drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB367256A GB791412A (en) | 1956-02-06 | 1956-02-06 | Roller cutter for earth drill |
Publications (1)
Publication Number | Publication Date |
---|---|
GB791412A true GB791412A (en) | 1958-03-05 |
Family
ID=9762760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB367256A Expired GB791412A (en) | 1956-02-06 | 1956-02-06 | Roller cutter for earth drill |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB791412A (en) |
-
1956
- 1956-02-06 GB GB367256A patent/GB791412A/en not_active Expired
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