GB1311939A - Mine roof support systems - Google Patents

Mine roof support systems

Info

Publication number
GB1311939A
GB1311939A GB1814970A GB1814970A GB1311939A GB 1311939 A GB1311939 A GB 1311939A GB 1814970 A GB1814970 A GB 1814970A GB 1814970 A GB1814970 A GB 1814970A GB 1311939 A GB1311939 A GB 1311939A
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof support
goaf
april
support systems
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
GB1814970A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia 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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of GB1311939A publication Critical patent/GB1311939A/en
Expired legal-status Critical Current

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
    • E21D23/04—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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

1311939 Advancing mine roof supports GEWERKSCHAFT EISENHUTTE WESTFALIA 16 April 1970 [18 April 1969] 18149/70 Heading E1P A mine roof support is provided with a goaf screen in the form of a plurality of telescopic U-shaped parts 13a, 13b, 13c arranged around the goaf prop 2a, 2b, 2c for extension and retraction therewith. The lowermost element 13a is clipped to the lower prop part 2a while the upper element 13c is suspended by chains 27 from roof bar 6 or connected to the prop part 2c. A support system incorporating three such frames interconnected by slidable guide means and a foldable apron (37, Fig. 3) is also described.
GB1814970A 1969-04-18 1970-04-16 Mine roof support systems Expired GB1311939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691919660 DE1919660A1 (en) 1969-04-18 1969-04-18 Migrating expansion provided with an offset shield

Publications (1)

Publication Number Publication Date
GB1311939A true GB1311939A (en) 1973-03-28

Family

ID=5731541

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1814970A Expired GB1311939A (en) 1969-04-18 1970-04-16 Mine roof support systems

Country Status (3)

Country Link
DE (1) DE1919660A1 (en)
FR (1) FR2043363A5 (en)
GB (1) GB1311939A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185514A (en) * 1986-01-22 1987-07-22 Voest Alpine Ag Shielding to rear and sides of a mine roof support

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319806A1 (en) * 1983-06-01 1984-12-06 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shielding wall for underground mining operations, in particular a goaf wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185514A (en) * 1986-01-22 1987-07-22 Voest Alpine Ag Shielding to rear and sides of a mine roof support

Also Published As

Publication number Publication date
FR2043363A5 (en) 1971-02-12
DE1919660A1 (en) 1970-11-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee