JPS5328361B1 - - Google Patents
Info
- Publication number
- JPS5328361B1 JPS5328361B1 JP5586770A JP5586770A JPS5328361B1 JP S5328361 B1 JPS5328361 B1 JP S5328361B1 JP 5586770 A JP5586770 A JP 5586770A JP 5586770 A JP5586770 A JP 5586770A JP S5328361 B1 JPS5328361 B1 JP S5328361B1
- 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
- E21D23/086—Details of fixing devices therefor
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)
- Tents Or Canopies (AREA)
- Lining And Supports For Tunnels (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Manipulator (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691932378 DE1932378A1 (en) | 1969-06-26 | 1969-06-26 | Self-advancing pit support element |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5328361B1 true JPS5328361B1 (en) | 1978-08-14 |
Family
ID=5738058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5586770A Pending JPS5328361B1 (en) | 1969-06-26 | 1970-06-26 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5328361B1 (en) |
AT (1) | AT296191B (en) |
DE (1) | DE1932378A1 (en) |
ES (1) | ES381184A1 (en) |
GB (1) | GB1269022A (en) |
PL (1) | PL80728B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2655076A1 (en) * | 1976-12-04 | 1978-06-15 | Gewerk Eisenhuette Westfalia | EXTENSION CLAMP |
DE2712388C2 (en) * | 1977-03-22 | 1986-04-10 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Bracing device for conveyor and / or extraction systems in underground extraction operations |
DE2800619C2 (en) * | 1978-01-07 | 1986-07-10 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Stepping structure with a connection device for an anchoring cylinder used to brace a conveyor and / or extraction system |
DE3024216C2 (en) * | 1980-06-27 | 1985-08-01 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Block bracing for a moveable conveyor and / or extraction system |
US7494190B2 (en) | 2002-12-17 | 2009-02-24 | Tiefenbach Control Systems Gmbh | Coal face support in a mine |
-
1969
- 1969-06-26 DE DE19691932378 patent/DE1932378A1/en active Pending
-
1970
- 1970-06-01 AT AT485570A patent/AT296191B/en not_active IP Right Cessation
- 1970-06-24 PL PL14155970A patent/PL80728B1/pl unknown
- 1970-06-25 GB GB3079370A patent/GB1269022A/en not_active Expired
- 1970-06-26 ES ES381184A patent/ES381184A1/en not_active Expired
- 1970-06-26 JP JP5586770A patent/JPS5328361B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
PL80728B1 (en) | 1975-08-30 |
DE1932378A1 (en) | 1971-01-07 |
ES381184A1 (en) | 1972-12-01 |
AT296191B (en) | 1972-02-10 |
GB1269022A (en) | 1972-03-29 |