BE756124R - Mecanisme elargisseur de galeries applicable aux machines - Google Patents
Mecanisme elargisseur de galeries applicable aux machinesInfo
- Publication number
- BE756124R BE756124R BE756124DA BE756124R BE 756124 R BE756124 R BE 756124R BE 756124D A BE756124D A BE 756124DA BE 756124 R BE756124 R BE 756124R
- Authority
- BE
- Belgium
- Prior art keywords
- gallery
- machines
- mechanism applicable
- enlargement mechanism
- enlargement
- Prior art date
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
- E21B7/001—Drilling a non circular hole
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 |
---|---|---|---|
ES373045A ES373045A2 (es) | 1969-10-30 | 1969-10-30 | Mecanismo ensanchador de galerias aplicable a maquinas per-foradoras. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE756124R true BE756124R (fr) | 1971-02-15 |
Family
ID=8454200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE756124D BE756124R (fr) | 1969-10-30 | Mecanisme elargisseur de galeries applicable aux machines |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE756124R (fr) |
DE (1) | DE2038648A1 (fr) |
ES (1) | ES373045A2 (fr) |
FR (1) | FR2065821A6 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113250610B (zh) * | 2021-06-07 | 2022-11-08 | 山东科技大学 | 一种螺旋推进式地下勘探小车 |
-
0
- BE BE756124D patent/BE756124R/fr active
-
1969
- 1969-10-30 ES ES373045A patent/ES373045A2/es not_active Expired
-
1970
- 1970-06-30 FR FR7024154A patent/FR2065821A6/fr not_active Expired
- 1970-08-04 DE DE19702038648 patent/DE2038648A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
ES373045A2 (es) | 1971-11-16 |
DE2038648A1 (de) | 1971-05-06 |
FR2065821A6 (fr) | 1971-08-06 |
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