GB1045353A - Improvements in or relating to mine roof supports - Google Patents
Improvements in or relating to mine roof supportsInfo
- Publication number
- GB1045353A GB1045353A GB5848/64A GB584864A GB1045353A GB 1045353 A GB1045353 A GB 1045353A GB 5848/64 A GB5848/64 A GB 5848/64A GB 584864 A GB584864 A GB 584864A GB 1045353 A GB1045353 A GB 1045353A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof
- relating
- roof supports
- props
- mine roof
- 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
- E21D23/0052—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
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential 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)
- Tents Or Canopies (AREA)
- Earth Drilling (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
1,045,353. Advancing mine-roof supports. GULLICK Ltd. Jan. 11, 1965 [Feb. 12, 1964], No. 5848/64. Heading E1E. A roof assembly or canopy for an advancing mine roof support frame comprises ar L-shaped portion 29, 30 mountec on one or more props 15, 16, 19 and a cantilever roof bar 31 which is pivotally connectec to one limb of the L-shapec portion and is supported forwardly of its pivot 32 by a further prop 20. The props 1; 16 and 19, 20 are mounted or base units 11, 12, see Figs. 2 3 and 5 (not shown), respectively which base units are hingedly interconnected by links. Specifications 772,543 and 866,108 are referred to.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5848/64A GB1045353A (en) | 1964-02-12 | 1964-02-12 | Improvements in or relating to mine roof supports |
US426069A US3365893A (en) | 1964-02-12 | 1965-01-18 | Mine roof supports |
FR4985A FR1424263A (en) | 1964-02-12 | 1965-02-10 | Improvements to mine roof supports |
AT123665A AT259489B (en) | 1964-02-12 | 1965-02-11 | Migrating extension element for underground mining operations |
DEG31700U DE1942914U (en) | 1964-02-12 | 1965-02-11 | EXPANSION ELEMENT FOR UNDERGROUND MINING OPERATIONS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5848/64A GB1045353A (en) | 1964-02-12 | 1964-02-12 | Improvements in or relating to mine roof supports |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1045353A true GB1045353A (en) | 1966-10-12 |
Family
ID=9803770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5848/64A Expired GB1045353A (en) | 1964-02-12 | 1964-02-12 | Improvements in or relating to mine roof supports |
Country Status (5)
Country | Link |
---|---|
US (1) | US3365893A (en) |
AT (1) | AT259489B (en) |
DE (1) | DE1942914U (en) |
FR (1) | FR1424263A (en) |
GB (1) | GB1045353A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1236590A (en) * | 1968-10-01 | 1971-06-23 | Gullick Dobson Ltd | Improvements in or relating to mine roof supports |
DE3730711A1 (en) * | 1987-09-12 | 1989-03-23 | Bochumer Eisen Heintzmann | ELECTRO-HYDRAULIC PROGRAM CONTROL |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2910281A (en) * | 1956-10-19 | 1959-10-27 | Rheinstahl Wanheim Gmbh | Prop and conveyer arrangement for mines |
GB950066A (en) * | 1960-02-18 | 1964-02-19 | Gullick Ltd | Improvements in or relating to advancing roof supporting means for mines |
FR1303511A (en) * | 1961-07-22 | 1962-09-14 | Mines Domaniales De Potasse | Telescopic extension system with hydraulic lift for supporting elements in size |
-
1964
- 1964-02-12 GB GB5848/64A patent/GB1045353A/en not_active Expired
-
1965
- 1965-01-18 US US426069A patent/US3365893A/en not_active Expired - Lifetime
- 1965-02-10 FR FR4985A patent/FR1424263A/en not_active Expired
- 1965-02-11 AT AT123665A patent/AT259489B/en active
- 1965-02-11 DE DEG31700U patent/DE1942914U/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1942914U (en) | 1966-07-28 |
AT259489B (en) | 1968-01-10 |
US3365893A (en) | 1968-01-30 |
FR1424263A (en) | 1966-01-07 |
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