FR432665A - Perfectionnements aux perforatrices à percussion - Google Patents
Perfectionnements aux perforatrices à percussionInfo
- Publication number
- FR432665A FR432665A FR432665DA FR432665A FR 432665 A FR432665 A FR 432665A FR 432665D A FR432665D A FR 432665DA FR 432665 A FR432665 A FR 432665A
- Authority
- FR
- France
- Prior art keywords
- percussion
- punches
- percussion punches
- 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/086—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 with a fluid-actuated cylinder
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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE232872T | 1910-08-19 | ||
DE257405T | 1910-12-14 | ||
DE257863T | 1911-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR432665A true FR432665A (fr) | 1911-12-12 |
Family
ID=8899438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR432665D Expired FR432665A (fr) | 1910-08-19 | 1911-07-26 | Perfectionnements aux perforatrices à percussion |
Country Status (2)
Country | Link |
---|---|
DE (3) | DE232872C (fr) |
FR (1) | FR432665A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2908482A (en) * | 1952-07-16 | 1959-10-13 | Joy Mfg Co | Rock drill |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE902604C (de) * | 1950-09-16 | 1954-01-25 | Eisen & Stahlind Ag | Steuerung von mit Hilfskraft, z.B. Druckluft, betriebenen Vorschubgeraeten fuer Bohrhaemmer |
-
1910
- 1910-08-19 DE DE1910232872D patent/DE232872C/de not_active Expired - Lifetime
- 1910-12-14 DE DE1910257405D patent/DE257405C/de not_active Expired - Lifetime
-
1911
- 1911-02-09 DE DE1911257863D patent/DE257863C/de not_active Expired - Lifetime
- 1911-07-26 FR FR432665D patent/FR432665A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2908482A (en) * | 1952-07-16 | 1959-10-13 | Joy Mfg Co | Rock drill |
Also Published As
Publication number | Publication date |
---|---|
DE257863C (fr) | |
DE232872C (fr) | |
DE257405C (fr) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR432665A (fr) | Perfectionnements aux perforatrices à percussion | |
FR413891A (fr) | Perfectionnements aux perforatrices à percussion | |
FR399892A (fr) | Perfectionnements aux perforatrices à percussion | |
FR427828A (fr) | Perfectionnements apportés aux forets à percussion | |
FR420779A (fr) | Perfectionnements aux appareils à imprimer | |
FR417489A (fr) | Perfectionnements aux perforatrices | |
FR424094A (fr) | Perfectionnements aux presses à imprimer | |
FR430840A (fr) | Perfectionnements apportés aux machines à additionner | |
FR414389A (fr) | Perfectionnements aux machines à additionner | |
FR430384A (fr) | Perfectionnements aux presses à bandes | |
FR418412A (fr) | Perforatrice à main | |
FR431491A (fr) | Perfectionnements apportés aux engrenages à hérisson | |
FR417393A (fr) | Perfectionnements apportés aux presses à briques | |
FR429383A (fr) | Perfectionnements aux broyeurs-concasseurs | |
FR418617A (fr) | Perfectionnements aux machines à comprimer | |
FR423295A (fr) | Perfectionnements aux presses à imprimer | |
FR403554A (fr) | Perfectionnements apportés aux perforatrices à percussion | |
FR438332A (fr) | Perfectionnements aux machines à calculer | |
FR430783A (fr) | Perfectionnements aux machines à calculer | |
FR422355A (fr) | Perfectionnements aux pelles | |
FR420741A (fr) | Perfectionnements aux machines à imprimer | |
FR424501A (fr) | Perfectionnements aux machines à imprimer | |
FR419980A (fr) | Perfectionnements aux cinématographes | |
FR419789A (fr) | Perfectionnements apportés aux kinétoscopes | |
FR423186A (fr) | Perfectionnements aux robinets-valves-mélangeurs |