AU474950B2 - Roof support witha shield for longwall workings in mines - Google Patents

Roof support witha shield for longwall workings in mines

Info

Publication number
AU474950B2
AU474950B2 AU55764/73A AU5576473A AU474950B2 AU 474950 B2 AU474950 B2 AU 474950B2 AU 55764/73 A AU55764/73 A AU 55764/73A AU 5576473 A AU5576473 A AU 5576473A AU 474950 B2 AU474950 B2 AU 474950B2
Authority
AU
Australia
Prior art keywords
witha
mines
shield
roof support
longwall workings
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
AU55764/73A
Other versions
AU5576473A (en
Inventor
Spies Klaus
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.)
Peter Von Linsingen-Heinzmann
Original Assignee
Peter Von Linsingen-Heinzmann
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
Priority claimed from DE19722224207 external-priority patent/DE2224207C2/en
Application filed by Peter Von Linsingen-Heinzmann filed Critical Peter Von Linsingen-Heinzmann
Publication of AU5576473A publication Critical patent/AU5576473A/en
Application granted granted Critical
Publication of AU474950B2 publication Critical patent/AU474950B2/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/02—Provisional protective covers for working space for use in longwall working
AU55764/73A 1972-05-18 1973-05-16 Roof support witha shield for longwall workings in mines Expired AU474950B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEDE822242 1972-05-18
DE19722224207 DE2224207C2 (en) 1972-05-18 Extension element for the shield extension of struts in underground mining operations

Publications (2)

Publication Number Publication Date
AU5576473A AU5576473A (en) 1974-11-21
AU474950B2 true AU474950B2 (en) 1976-08-05

Family

ID=5845198

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55764/73A Expired AU474950B2 (en) 1972-05-18 1973-05-16 Roof support witha shield for longwall workings in mines

Country Status (5)

Country Link
US (1) US3854293A (en)
AU (1) AU474950B2 (en)
BE (1) BE799668A (en)
FR (1) FR2184733B3 (en)
GB (1) GB1428256A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2253143B1 (en) * 1973-11-30 1978-11-03 Alsace Mines Potasse
DE2413538C2 (en) * 1974-03-21 1978-05-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Shield support frame
DE2843857C2 (en) * 1978-10-07 1986-06-19 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Shield support frame
GB2150192B (en) * 1983-11-16 1987-04-15 Dobson Park Ind Mineroof support
CN114607432A (en) * 2022-03-28 2022-06-10 中国矿业大学(北京) Support area adjustable support device for rib forming treatment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781888A (en) * 1947-07-02 1957-02-19 Gewerk Eisenhuette Westfalia Flexible conveyor having successively shiftable sections for long face mining
US2566003A (en) * 1947-07-07 1951-08-28 Mavor & Coulson Ltd Anchoring device for coal and other mines
FR1503990A (en) * 1966-10-11 1967-12-01 Bennes Marrel Improvements to support piles, especially for mines or underground work sites
FR1600845A (en) * 1968-07-08 1970-08-03

Also Published As

Publication number Publication date
GB1428256A (en) 1976-03-17
BE799668A (en) 1973-11-19
DE2224207A1 (en) 1973-01-04
FR2184733B3 (en) 1976-04-23
FR2184733A1 (en) 1973-12-28
AU5576473A (en) 1974-11-21
US3854293A (en) 1974-12-17
DE2224207B1 (en) 1973-01-04

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