GB968068A - Improvements in and relating to hydraulic roof supports - Google Patents
Improvements in and relating to hydraulic roof supportsInfo
- Publication number
- GB968068A GB968068A GB2370863A GB2370863A GB968068A GB 968068 A GB968068 A GB 968068A GB 2370863 A GB2370863 A GB 2370863A GB 2370863 A GB2370863 A GB 2370863A GB 968068 A GB968068 A GB 968068A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wire
- relating
- members
- roof supports
- hydraulic
- 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
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
968,068. Hydraulic pit props. MASTABAR MINING EQUIPMENT CO. Ltd. June 14, 1963, No. 23708/63. Heading E1E. In an hydraulic pit prop having a roof cap 18 universally mounted thereon by a hemisphrical bearing 16 engaging a seating 14 is shown, the members 14, 16 are provided with opposed lugs 22, 24 respectively through which a steel stranded wire 26 is threaded. The ends of the wire are clamped together by a swayed or compression type connector 28, the wire serving to retain the members 14, 16 in engagement whilst allowing free articulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2370863A GB968068A (en) | 1963-06-14 | 1963-06-14 | Improvements in and relating to hydraulic roof supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2370863A GB968068A (en) | 1963-06-14 | 1963-06-14 | Improvements in and relating to hydraulic roof supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB968068A true GB968068A (en) | 1964-08-26 |
Family
ID=10200006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2370863A Expired GB968068A (en) | 1963-06-14 | 1963-06-14 | Improvements in and relating to hydraulic roof supports |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB968068A (en) |
-
1963
- 1963-06-14 GB GB2370863A patent/GB968068A/en not_active Expired
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