JPS4812602B1 - - Google Patents
Info
- Publication number
- JPS4812602B1 JPS4812602B1 JP43063104A JP6310468A JPS4812602B1 JP S4812602 B1 JPS4812602 B1 JP S4812602B1 JP 43063104 A JP43063104 A JP 43063104A JP 6310468 A JP6310468 A JP 6310468A JP S4812602 B1 JPS4812602 B1 JP S4812602B1
- 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
- E21D23/0047—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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671583115 DE1583115C3 (de) | 1967-09-22 | 1967-09-22 | Sohlkonstruktion für einen Ausbaubock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4812602B1 true JPS4812602B1 (US20020051482A1-20020502-M00012.png) | 1973-04-21 |
Family
ID=5679423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP43063104A Pending JPS4812602B1 (US20020051482A1-20020502-M00012.png) | 1967-09-22 | 1968-09-04 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3474628A (US20020051482A1-20020502-M00012.png) |
| JP (1) | JPS4812602B1 (US20020051482A1-20020502-M00012.png) |
| FR (1) | FR1582719A (US20020051482A1-20020502-M00012.png) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3113661A (en) * | 1959-09-09 | 1963-12-10 | Gewerk Eisenhuette Westfalia | Apparatus for displacing a longitudinal mining conveyor |
| DE1155077B (de) * | 1960-12-24 | 1963-10-03 | Rheinstahl Gmbh Wanheim | Sohlstueck fuer wandernde Ausbauelemente |
| GB985401A (en) * | 1961-05-13 | 1965-03-10 | Rheinstahl Wanheim Gmbh | Improvements in advanceable mine roof support assemblies |
| BE649949A (US20020051482A1-20020502-M00012.png) * | 1963-07-02 | |||
| GB1036663A (en) * | 1964-04-03 | 1966-07-20 | Gullick Ltd | Improvements in or relating to mine roof and like supports |
-
1968
- 1968-09-04 JP JP43063104A patent/JPS4812602B1/ja active Pending
- 1968-09-16 US US759999A patent/US3474628A/en not_active Expired - Lifetime
- 1968-09-23 FR FR1582719D patent/FR1582719A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1582719A (US20020051482A1-20020502-M00012.png) | 1969-10-03 |
| US3474628A (en) | 1969-10-28 |
