GB2016068B - Backfill screen device - Google Patents
Backfill screen deviceInfo
- Publication number
- GB2016068B GB2016068B GB7903971A GB7903971A GB2016068B GB 2016068 B GB2016068 B GB 2016068B GB 7903971 A GB7903971 A GB 7903971A GB 7903971 A GB7903971 A GB 7903971A GB 2016068 B GB2016068 B GB 2016068B
- Authority
- GB
- United Kingdom
- Prior art keywords
- backfill
- screen device
- screen
- backfill screen
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
-
- 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
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782807886 DE2807886A1 (en) | 1978-02-24 | 1978-02-24 | OFFSET SHIELD |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2016068A GB2016068A (en) | 1979-09-19 |
GB2016068B true GB2016068B (en) | 1982-04-21 |
Family
ID=6032787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7903971A Expired GB2016068B (en) | 1978-02-24 | 1979-02-05 | Backfill screen device |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2807886A1 (en) |
FR (1) | FR2418331A1 (en) |
GB (1) | GB2016068B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3046315C2 (en) * | 1980-12-09 | 1983-01-27 | Bergwerksverband Gmbh, 4300 Essen | In a closed line, relocatable blow displacement device with front head discharges |
CN102042023B (en) * | 2010-12-27 | 2013-04-24 | 淄博矿业集团有限责任公司 | Hydraulic support with filling and leakage-preventing function |
CN109184768B (en) * | 2018-11-01 | 2020-08-07 | 凤阳县年李合工程机械有限公司 | Adjusting device for engineering hydraulic support |
CN110005460B (en) * | 2019-04-22 | 2021-02-12 | 太原理工大学 | Roof-connected building block filling hydraulic support and using method thereof |
-
1978
- 1978-02-24 DE DE19782807886 patent/DE2807886A1/en active Pending
-
1979
- 1979-02-05 GB GB7903971A patent/GB2016068B/en not_active Expired
- 1979-02-15 FR FR7903837A patent/FR2418331A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2807886A1 (en) | 1979-08-30 |
GB2016068A (en) | 1979-09-19 |
FR2418331A1 (en) | 1979-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee | ||
PCPE | Delete 'patent ceased' from journal |
Free format text: 4935, PAGE 3215 |