GB1269022A - Improvements in or relating to advancing mine roof supports - Google Patents
Improvements in or relating to advancing mine roof supportsInfo
- Publication number
- GB1269022A GB1269022A GB3079370A GB3079370A GB1269022A GB 1269022 A GB1269022 A GB 1269022A GB 3079370 A GB3079370 A GB 3079370A GB 3079370 A GB3079370 A GB 3079370A GB 1269022 A GB1269022 A GB 1269022A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mine roof
- advancing
- ram
- relating
- roof supports
- 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.)
- Expired
Links
- 238000006073 displacement reaction Methods 0.000 abstract 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
- E21D23/08—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)
- Manipulator (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
1,269,022. Advancing mine roof supports. GULLICK DOBSON Ltd. 25 June, 1970 [26 June, 1969], No. 30793/70. Heading E1P. An advancing mine roof support is provided with a displacement ram 14 for displacing the conveyor 8 along the face with the support serving as an abutment. The ram is attached to a perforated strip 9 fitted to the conveyor by a removable plug 15 and is disposed at right angles to the advancing ram 10 when the piston rod of the latter is retracted. (For Figure see next page)
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 |
---|---|
GB1269022A true GB1269022A (en) | 1972-03-29 |
Family
ID=5738058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3079370A Expired GB1269022A (en) | 1969-06-26 | 1970-06-25 | Improvements in or relating to advancing mine roof supports |
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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004055328A1 (en) * | 2002-12-17 | 2004-07-01 | Tiefenbach Bergbautechnik Gmbh | Coal face support in a mine |
Families Citing this family (4)
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 |
-
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
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004055328A1 (en) * | 2002-12-17 | 2004-07-01 | Tiefenbach Bergbautechnik Gmbh | Coal face support in a mine |
US7494190B2 (en) | 2002-12-17 | 2009-02-24 | Tiefenbach Control Systems Gmbh | Coal face support in a mine |
CN100507212C (en) * | 2002-12-17 | 2009-07-01 | 迪芬巴赫控制系统股份有限公司 | Coal face support in a mine |
Also Published As
Publication number | Publication date |
---|---|
DE1932378A1 (en) | 1971-01-07 |
AT296191B (en) | 1972-02-10 |
PL80728B1 (en) | 1975-08-30 |
ES381184A1 (en) | 1972-12-01 |
JPS5328361B1 (en) | 1978-08-14 |
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