FR537849A - Tarière - Google Patents
TarièreInfo
- Publication number
- FR537849A FR537849A FR537849DA FR537849A FR 537849 A FR537849 A FR 537849A FR 537849D A FR537849D A FR 537849DA FR 537849 A FR537849 A FR 537849A
- Authority
- FR
- France
- Prior art keywords
- auger
- 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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
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 |
---|---|---|---|
FR537849T | 1921-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR537849A true FR537849A (fr) | 1922-05-30 |
Family
ID=8927800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR537849D Expired FR537849A (fr) | 1921-06-08 | 1921-06-08 | Tarière |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR537849A (fr) |
-
1921
- 1921-06-08 FR FR537849D patent/FR537849A/fr not_active Expired
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