DE2337390B2 - Grubenausbaurahmen - Google Patents
GrubenausbaurahmenInfo
- Publication number
- DE2337390B2 DE2337390B2 DE19732337390 DE2337390A DE2337390B2 DE 2337390 B2 DE2337390 B2 DE 2337390B2 DE 19732337390 DE19732337390 DE 19732337390 DE 2337390 A DE2337390 A DE 2337390A DE 2337390 B2 DE2337390 B2 DE 2337390B2
- Authority
- DE
- Germany
- Prior art keywords
- valve
- pressure
- stamp
- closing body
- valves
- 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.)
- Withdrawn
Links
- 239000011435 rock Substances 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 9
- 229910000639 Spring steel Inorganic materials 0.000 description 4
- 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 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000013022 venting Methods 0.000 description 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
- E21D23/006—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
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)
- Safety Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3439372A GB1430240A (en) | 1972-07-22 | 1972-07-22 | Mine roof support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2337390A1 DE2337390A1 (de) | 1974-02-07 |
| DE2337390B2 true DE2337390B2 (de) | 1977-11-10 |
Family
ID=10365098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732337390 Withdrawn DE2337390B2 (de) | 1972-07-22 | 1973-07-23 | Grubenausbaurahmen |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2337390B2 (enExample) |
| GB (1) | GB1430240A (enExample) |
| PL (1) | PL91078B1 (enExample) |
| ZA (1) | ZA734686B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2840008A1 (de) * | 1978-04-03 | 1979-10-04 | Commercial Shearing | Entspannungsventilanordnung |
| DE3340888C1 (de) * | 1983-11-11 | 1985-02-07 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Hydraulischer Stempel mit Gebirgsschlagventil für ein Schreitausbaugestell |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322689B (zh) * | 2018-10-31 | 2024-06-25 | 辽宁工程技术大学 | 一种防冲液压支架用压力流量函数控制阀组 |
-
1972
- 1972-07-22 GB GB3439372A patent/GB1430240A/en not_active Expired
-
1973
- 1973-07-11 ZA ZA734686A patent/ZA734686B/xx unknown
- 1973-07-20 PL PL1973164201A patent/PL91078B1/pl unknown
- 1973-07-23 DE DE19732337390 patent/DE2337390B2/de not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2840008A1 (de) * | 1978-04-03 | 1979-10-04 | Commercial Shearing | Entspannungsventilanordnung |
| DE3340888C1 (de) * | 1983-11-11 | 1985-02-07 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Hydraulischer Stempel mit Gebirgsschlagventil für ein Schreitausbaugestell |
Also Published As
| Publication number | Publication date |
|---|---|
| PL91078B1 (enExample) | 1977-02-28 |
| DE2337390A1 (de) | 1974-02-07 |
| GB1430240A (en) | 1976-03-31 |
| ZA734686B (en) | 1974-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8230 | Patent withdrawn |