GB2016068B - Backfill screen device - Google Patents

Backfill screen device

Info

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
Application number
GB7903971A
Other versions
GB2016068A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bergwerksverband GmbH
Original Assignee
Bergwerksverband GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bergwerksverband GmbH filed Critical Bergwerksverband GmbH
Publication of GB2016068A publication Critical patent/GB2016068A/en
Application granted granted Critical
Publication of GB2016068B publication Critical patent/GB2016068B/en
Expired legal-status Critical Current

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)
GB7903971A 1978-02-24 1979-02-05 Backfill screen device Expired GB2016068B (en)

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)

* Cited by examiner, † Cited by third party
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

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

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