JPS493603B1 - - Google Patents
Info
- Publication number
- JPS493603B1 JPS493603B1 JP44066267A JP6626769A JPS493603B1 JP S493603 B1 JPS493603 B1 JP S493603B1 JP 44066267 A JP44066267 A JP 44066267A JP 6626769 A JP6626769 A JP 6626769A JP S493603 B1 JPS493603 B1 JP S493603B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- E21D23/006—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
- E21D23/0078—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 with individual 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)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU56825 | 1968-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS493603B1 true JPS493603B1 (de) | 1974-01-28 |
Family
ID=19725711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44066267A Pending JPS493603B1 (de) | 1968-09-05 | 1969-08-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3590586A (de) |
| JP (1) | JPS493603B1 (de) |
| CS (1) | CS170140B2 (de) |
| DE (1) | DE1801564B1 (de) |
| GB (1) | GB1225349A (de) |
| LU (1) | LU56825A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2924380A1 (de) * | 1979-06-16 | 1981-01-08 | Gewerk Eisenhuette Westfalia | Hubbegrenzungsvorrichtung fuer schubkolbengetriebe, insbesondere fuer schreitund rueckzylinder fuer das ruecken eines foerderers und/oder eines schreitausbaus in bergbau-untertagebetrieben |
| DE102013107305B4 (de) | 2013-07-10 | 2022-11-24 | Herrmann Ag | Hubeinrichtung und Hebebühne mit einer solchen Hubeinrichtung |
| CN113638753B (zh) * | 2021-08-16 | 2024-01-05 | 哈尔滨学院 | 一种土木工程施工用支护结构 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2714505A (en) * | 1948-05-01 | 1955-08-02 | Joy Mfg Co | Apparatus for mine roof control |
| US2859022A (en) * | 1955-04-04 | 1958-11-04 | Dowty Mining Equipment Ltd | Hydraulic roof supports and conveyor feed jacks |
| DE1792610U (de) * | 1956-01-27 | 1959-07-30 | Gewerk Eisenhuette Westfalia | Schreitender ausbau fuer bergmaennische gewinnungsbetriebe. |
| DE1146829B (de) * | 1960-04-27 | 1963-04-11 | Gewerk Eisenhuette Westfalia | Wanderndes hydraulisches Ausbaugestell |
| GB934062A (en) * | 1960-09-09 | 1963-08-14 | Gullick Ltd | Improvements in or relating to roof supports for mines |
| GB1001411A (en) * | 1960-09-15 | 1965-08-18 | Dowty Mining Equipment Ltd | Roof supports suitable for use in mines |
| GB985401A (en) * | 1961-05-13 | 1965-03-10 | Rheinstahl Wanheim Gmbh | Improvements in advanceable mine roof support assemblies |
| DE1126821B (de) * | 1961-07-19 | 1962-04-05 | Hemscheidt Maschf Hermann | Ausbaugespann fuer die steile Lagerung |
| GB1036663A (en) * | 1964-04-03 | 1966-07-20 | Gullick Ltd | Improvements in or relating to mine roof and like supports |
| DE1257720B (de) * | 1966-02-17 | 1968-01-04 | Bergwerksverband Gmbh | Steuerung fuer einen wandernden Ausbaurahmen |
| GB1167614A (en) * | 1966-02-17 | 1969-10-15 | Bergwerksverband Gmbh | Method and Control System for Adjusting a Pit Prop Axis |
-
1968
- 1968-09-05 LU LU56825D patent/LU56825A1/xx unknown
- 1968-10-05 DE DE19681801564 patent/DE1801564B1/de not_active Withdrawn
-
1969
- 1969-04-25 GB GB1225349D patent/GB1225349A/en not_active Expired
- 1969-04-28 US US819782A patent/US3590586A/en not_active Expired - Lifetime
- 1969-08-21 JP JP44066267A patent/JPS493603B1/ja active Pending
- 1969-09-05 CS CS6105A patent/CS170140B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS170140B2 (de) | 1976-08-27 |
| LU56825A1 (de) | 1970-03-05 |
| US3590586A (en) | 1971-07-06 |
| DE1801564B1 (de) | 1970-07-30 |
| GB1225349A (de) | 1971-03-17 |