BE722941A - - Google Patents
Info
- Publication number
- BE722941A BE722941A BE722941DA BE722941A BE 722941 A BE722941 A BE 722941A BE 722941D A BE722941D A BE 722941DA BE 722941 A BE722941 A BE 722941A
- Authority
- BE
- Belgium
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/025—Rock drills, i.e. jumbo drills
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67856667A | 1967-10-27 | 1967-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722941A true BE722941A (xx) | 1969-04-01 |
Family
ID=24723335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722941D BE722941A (xx) | 1967-10-27 | 1968-10-25 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3478832A (xx) |
| BE (1) | BE722941A (xx) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE867359C (de) * | 1942-02-01 | 1953-02-16 | Heinrich Lanz Ag | Abstuetzung des Fahrzeugrumpfes von Kraftfahrzeugen auf das Fahrgestell mittels einer Kurbelachse, insbesondere von Gleiskettenfahrzeugen auf deren Fuehrungsrahmen |
| US2828137A (en) * | 1957-08-21 | 1958-03-25 | Ingersoll Rand Co | Rock drill supporting carriage |
| US2948347A (en) * | 1959-03-04 | 1960-08-09 | Caterpillar Tractor Co | Torsion bar cushioning means for tractor equalizer bar |
| US3177961A (en) * | 1963-08-08 | 1965-04-13 | Worthington Corp | Suspension system for track type vehicles |
| US3225849A (en) * | 1964-02-21 | 1965-12-28 | Joy Mfg Co | Tilting suspension for crawler frames |
-
1967
- 1967-10-27 US US678566A patent/US3478832A/en not_active Expired - Lifetime
-
1968
- 1968-10-25 BE BE722941D patent/BE722941A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3478832A (en) | 1969-11-18 |