GB1132252A - Hydraulic advanceable roof support assembly - Google Patents
Hydraulic advanceable roof support assemblyInfo
- Publication number
- GB1132252A GB1132252A GB6098/66A GB609866A GB1132252A GB 1132252 A GB1132252 A GB 1132252A GB 6098/66 A GB6098/66 A GB 6098/66A GB 609866 A GB609866 A GB 609866A GB 1132252 A GB1132252 A GB 1132252A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof support
- hydraulic
- support assembly
- advancing
- feb
- 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
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
-
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
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)
- Earth Drilling (AREA)
Abstract
1,132,252. Advancing mine roof supports. GEWERKSCHAFT EISENHUTTE WESTFALIA. 11 Feb., 1966 [22 Feb., 1965], No. 6098/66. Heading E1E. In an advancing mine roof support comprising two frames 2, 3 arranged in parallel, at least one hydraulically operated guiding device 13 is provided which is operable in association with the advancing cylinder 6, 9 to maintain the frames parallel to one another during advancing.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG0042902 | 1965-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1132252A true GB1132252A (en) | 1968-10-30 |
Family
ID=7127044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6098/66A Expired GB1132252A (en) | 1965-02-22 | 1966-02-11 | Hydraulic advanceable roof support assembly |
Country Status (5)
Country | Link |
---|---|
US (1) | US3415065A (en) |
BE (1) | BE676776A (en) |
FR (1) | FR1467502A (en) |
GB (1) | GB1132252A (en) |
NL (1) | NL6602192A (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1156037B (en) * | 1961-03-24 | 1963-10-24 | Gewerk Eisenhuette Westfalia | Self-relocating support frame for mining operations |
DE1161834B (en) * | 1962-06-14 | 1964-01-30 | Gewerk Eisenhuette Westfalia | Self-relocating support frame for mining operations |
-
1966
- 1966-02-07 FR FR48616A patent/FR1467502A/en not_active Expired
- 1966-02-11 GB GB6098/66A patent/GB1132252A/en not_active Expired
- 1966-02-21 NL NL6602192A patent/NL6602192A/xx unknown
- 1966-02-21 BE BE676776D patent/BE676776A/xx unknown
-
1967
- 1967-10-06 US US673520A patent/US3415065A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE676776A (en) | 1966-08-22 |
US3415065A (en) | 1968-12-10 |
NL6602192A (en) | 1966-08-23 |
FR1467502A (en) | 1967-01-27 |
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