FR434462A - Perforatrice pour mines, carrières et autres similaires - Google Patents
Perforatrice pour mines, carrières et autres similairesInfo
- Publication number
- FR434462A FR434462A FR434462A FR434462DA FR434462A FR 434462 A FR434462 A FR 434462A FR 434462 A FR434462 A FR 434462A FR 434462D A FR434462D A FR 434462DA FR 434462 A FR434462 A FR 434462A
- Authority
- FR
- France
- Prior art keywords
- quarries
- mines
- punch
- 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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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 |
|---|---|---|---|
| FR434462T | 1911-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR434462A true FR434462A (fr) | 1912-02-03 |
Family
ID=1476363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR434462A Expired FR434462A (fr) | 1911-09-20 | 1911-09-20 | Perforatrice pour mines, carrières et autres similaires |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR434462A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2495216A1 (fr) * | 1980-12-01 | 1982-06-04 | Christensen Inc | Trepan de forage |
-
1911
- 1911-09-20 FR FR434462A patent/FR434462A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2495216A1 (fr) * | 1980-12-01 | 1982-06-04 | Christensen Inc | Trepan de forage |
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