FR356551A - Punch - Google Patents
PunchInfo
- Publication number
- FR356551A FR356551A FR356551DA FR356551A FR 356551 A FR356551 A FR 356551A FR 356551D A FR356551D A FR 356551DA FR 356551 A FR356551 A FR 356551A
- Authority
- FR
- France
- Prior art keywords
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/081—Screw-and-nut feed mechanisms
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 |
---|---|---|---|
FR356551T | 1905-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR356551A true FR356551A (en) | 1905-12-04 |
Family
ID=1404504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR356551D Expired FR356551A (en) | 1905-07-31 | 1905-07-31 | Punch |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR356551A (en) |
-
1905
- 1905-07-31 FR FR356551D patent/FR356551A/en not_active Expired
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