FR702267A - Rotary rock drill auger - Google Patents
Rotary rock drill augerInfo
- Publication number
- FR702267A FR702267A FR702267DA FR702267A FR 702267 A FR702267 A FR 702267A FR 702267D A FR702267D A FR 702267DA FR 702267 A FR702267 A FR 702267A
- Authority
- FR
- France
- Prior art keywords
- rock drill
- rotary rock
- drill auger
- auger
- rotary
- 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
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
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE702267X | 1929-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR702267A true FR702267A (en) | 1931-04-03 |
Family
ID=6612403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR702267D Expired FR702267A (en) | 1929-09-18 | 1930-09-16 | Rotary rock drill auger |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR702267A (en) |
-
1930
- 1930-09-16 FR FR702267D patent/FR702267A/en not_active Expired
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