NL6500763A - - Google Patents
Info
- Publication number
- NL6500763A NL6500763A NL6500763A NL6500763A NL6500763A NL 6500763 A NL6500763 A NL 6500763A NL 6500763 A NL6500763 A NL 6500763A NL 6500763 A NL6500763 A NL 6500763A NL 6500763 A NL6500763 A NL 6500763A
- 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
-
- 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)
- Framework For Endless Conveyors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB268264A GB1044071A (en) | 1964-01-21 | 1964-01-21 | Improvements in or relating to roof supports suitable for mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6500763A true NL6500763A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-07-22 |
Family
ID=9743922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6500763A NL6500763A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-01-21 | 1965-01-21 |
Country Status (5)
-
1964
- 1964-01-21 GB GB268264A patent/GB1044071A/en not_active Expired
-
1965
- 1965-01-19 AT AT41065A patent/AT269034B/de active
- 1965-01-20 BE BE658551D patent/BE658551A/xx unknown
- 1965-01-21 FR FR2737A patent/FR1421194A/fr not_active Expired
- 1965-01-21 NL NL6500763A patent/NL6500763A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1421194A (fr) | 1965-12-10 |
| GB1044071A (en) | 1966-09-28 |
| AT269034B (de) | 1969-03-10 |
| BE658551A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-05-17 |