CS198136B2 - Member of the shield reinforcement - Google Patents
Member of the shield reinforcement Download PDFInfo
- Publication number
- CS198136B2 CS198136B2 CS74791A CS79174A CS198136B2 CS 198136 B2 CS198136 B2 CS 198136B2 CS 74791 A CS74791 A CS 74791A CS 79174 A CS79174 A CS 79174A CS 198136 B2 CS198136 B2 CS 198136B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- shield
- base plate
- reinforcement element
- element according
- gable
- Prior art date
Links
- 230000002787 reinforcement Effects 0.000 title claims description 40
- 238000005065 mining Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 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
- E21D23/04—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
- E21D23/0427—Shield operating devices; Hinges therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Building Environments (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Tents Or Canopies (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732309671 DE2309671C2 (de) | 1973-02-27 | Schildausbaugestell für den Strebausbau im untertägigen Grubenbetrieb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS198136B2 true CS198136B2 (en) | 1980-05-30 |
Family
ID=5873204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS74791A CS198136B2 (en) | 1973-02-27 | 1974-02-05 | Member of the shield reinforcement |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3932998A (ja) |
| JP (1) | JPS547486B2 (ja) |
| CS (1) | CS198136B2 (ja) |
| GB (1) | GB1443081A (ja) |
| PL (1) | PL90940B1 (ja) |
| ZA (1) | ZA74424B (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2459792A1 (de) * | 1974-12-18 | 1976-07-01 | Gewerk Eisenhuette Westfalia | Schildausbaugestell |
| DE2506076C2 (de) * | 1975-02-13 | 1976-11-18 | Rheinstahl Ag | Schildausbau fuer abbaustreben |
| HU203803B (en) * | 1988-02-11 | 1991-09-30 | Gyoergy Szentai | Supporting device for supporting mine space |
| RU2544345C2 (ru) | 2009-07-10 | 2015-03-20 | Джой ММ Делавэр, Инк. | Кровельные опоры для сплошной выемки |
| CN105134271B (zh) * | 2015-08-04 | 2017-06-16 | 山西晋城无烟煤矿业集团有限责任公司 | 综采工作面两端头过超高段液压支护装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1124665A (en) * | 1966-04-29 | 1968-08-21 | Gullick Ltd | Improvements in or relating to mine roof supports |
-
1974
- 1974-01-21 ZA ZA740424A patent/ZA74424B/xx unknown
- 1974-01-30 GB GB430674A patent/GB1443081A/en not_active Expired
- 1974-02-05 CS CS74791A patent/CS198136B2/cs unknown
- 1974-02-15 US US05/442,833 patent/US3932998A/en not_active Expired - Lifetime
- 1974-02-20 JP JP2036174A patent/JPS547486B2/ja not_active Expired
- 1974-02-25 PL PL1974169067A patent/PL90940B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2309671B1 (de) | 1974-03-21 |
| ZA74424B (en) | 1974-11-27 |
| GB1443081A (en) | 1976-07-21 |
| PL90940B1 (ja) | 1977-02-28 |
| DE2309671A1 (ja) | 1974-03-21 |
| JPS547486B2 (ja) | 1979-04-07 |
| JPS49117301A (ja) | 1974-11-09 |
| US3932998A (en) | 1976-01-20 |
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