NL6504835A - - Google Patents
Info
- Publication number
- NL6504835A NL6504835A NL6504835A NL6504835A NL6504835A NL 6504835 A NL6504835 A NL 6504835A NL 6504835 A NL6504835 A NL 6504835A NL 6504835 A NL6504835 A NL 6504835A NL 6504835 A NL6504835 A NL 6504835A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6504835A NL6504835A (da) | 1965-04-15 | 1965-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6504835A NL6504835A (da) | 1965-04-15 | 1965-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6504835A true NL6504835A (da) | 1966-10-17 |
Family
ID=19792950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6504835A NL6504835A (da) | 1965-04-15 | 1965-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL6504835A (da) |
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1965
- 1965-04-15 NL NL6504835A patent/NL6504835A/xx unknown