GB1122309A - Improvements in advancing mine roof supports - Google Patents
Improvements in advancing mine roof supportsInfo
- Publication number
- GB1122309A GB1122309A GB4941265A GB4941265A GB1122309A GB 1122309 A GB1122309 A GB 1122309A GB 4941265 A GB4941265 A GB 4941265A GB 4941265 A GB4941265 A GB 4941265A GB 1122309 A GB1122309 A GB 1122309A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mine roof
- advancing mine
- roof supports
- nov
- advancing
- 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
- 229910001209 Low-carbon steel Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000003019 stabilising effect Effects 0.000 abstract 1
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
- E21D23/04—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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Body Structure For Vehicles (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4941265A GB1122309A (en) | 1965-11-20 | 1965-11-20 | Improvements in advancing mine roof supports |
NL6616190A NL6616190A (enrdf_load_stackoverflow) | 1965-11-20 | 1966-11-17 | |
FR84202A FR1505639A (fr) | 1965-11-20 | 1966-11-18 | Support d'avancement du toit des galeries de mines |
BE689892D BE689892A (enrdf_load_stackoverflow) | 1965-11-20 | 1966-11-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4941265A GB1122309A (en) | 1965-11-20 | 1965-11-20 | Improvements in advancing mine roof supports |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1122309A true GB1122309A (en) | 1968-08-07 |
Family
ID=10452257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4941265A Expired GB1122309A (en) | 1965-11-20 | 1965-11-20 | Improvements in advancing mine roof supports |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE689892A (enrdf_load_stackoverflow) |
FR (1) | FR1505639A (enrdf_load_stackoverflow) |
GB (1) | GB1122309A (enrdf_load_stackoverflow) |
NL (1) | NL6616190A (enrdf_load_stackoverflow) |
-
1965
- 1965-11-20 GB GB4941265A patent/GB1122309A/en not_active Expired
-
1966
- 1966-11-17 NL NL6616190A patent/NL6616190A/xx unknown
- 1966-11-18 FR FR84202A patent/FR1505639A/fr not_active Expired
- 1966-11-18 BE BE689892D patent/BE689892A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6616190A (enrdf_load_stackoverflow) | 1967-05-22 |
BE689892A (enrdf_load_stackoverflow) | 1967-05-02 |
FR1505639A (fr) | 1967-12-15 |
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