AU474951B2 - Shield type roof support system for controlling the roof at longwall faces in mines - Google Patents

Shield type roof support system for controlling the roof at longwall faces in mines

Info

Publication number
AU474951B2
AU474951B2 AU55775/73A AU5577573A AU474951B2 AU 474951 B2 AU474951 B2 AU 474951B2 AU 55775/73 A AU55775/73 A AU 55775/73A AU 5577573 A AU5577573 A AU 5577573A AU 474951 B2 AU474951 B2 AU 474951B2
Authority
AU
Australia
Prior art keywords
roof
mines
controlling
support system
shield type
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
AU55775/73A
Other languages
English (en)
Other versions
AU5577573A (en
Inventor
SPIES and JOACHIM NEELI 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 Fon Unsingen-Heinzmann
Original Assignee
Peter Fon Unsingen-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
Application filed by Peter Fon Unsingen-Heinzmann filed Critical Peter Fon Unsingen-Heinzmann
Publication of AU5577573A publication Critical patent/AU5577573A/en
Application granted granted Critical
Publication of AU474951B2 publication Critical patent/AU474951B2/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
    • E21D23/0445—Extensions of the base member supporting the conveyor
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face

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)
  • Excavating Of Shafts Or Tunnels (AREA)
AU55775/73A 1972-05-19 1973-05-16 Shield type roof support system for controlling the roof at longwall faces in mines Expired AU474951B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEDE822244 1972-05-18
DE2224438A DE2224438C2 (de) 1972-05-19 1972-05-19 Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb

Publications (2)

Publication Number Publication Date
AU5577573A AU5577573A (en) 1974-11-21
AU474951B2 true AU474951B2 (en) 1976-08-05

Family

ID=5845325

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55775/73A Expired AU474951B2 (en) 1972-05-19 1973-05-16 Shield type roof support system for controlling the roof at longwall faces in mines

Country Status (7)

Country Link
US (1) US3896626A (de)
AU (1) AU474951B2 (de)
BE (1) BE799353A (de)
DE (1) DE2224438C2 (de)
FR (1) FR2185748B3 (de)
GB (1) GB1424276A (de)
PL (1) PL85831B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2522117A1 (de) * 1975-05-17 1976-12-02 Bochumer Eisen Heintzmann Liegendschwellenanordnung fuer ein schildausbaugestell
DE2522111B2 (de) * 1975-05-17 1978-10-12 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Schildausbaugespann mit Führungsvorrichtung
DE2554554C3 (de) * 1975-12-04 1984-05-24 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schildausbaueinheit für untertägige Strebbetriebe
JPS5329202A (en) * 1976-08-31 1978-03-18 Taiheiyo Eng Coal extracting method of long wall coal facing
AU554140B2 (en) * 1980-07-02 1986-08-07 Dana Corporation Thermally insulating coating on piston head
AU2010271330B2 (en) 2009-07-10 2014-09-11 Joy Global Underground Mining Llc Longwall mining roof supports

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB965172A (en) * 1962-04-06 1964-07-29 Gullick Ltd Improvements in or relating to roof supports for mines and the like
DE1219892B (de) * 1964-11-14 1966-06-30 Gewerk Eisenhuette Westfalia Steuerung eines Kohlenhobels
US3402015A (en) * 1965-10-14 1968-09-17 Universal Oil Prod Co Multiple stage treatment of a noxious stream with cyclic high quantities of nitrogen oxides
GB1160513A (en) * 1966-03-04 1969-08-06 Karl Maria Groetschel Improvements relating to Roof Supports for Mine Workings.
DE1277789B (de) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulisch wanderndes Ausbaugestell
US3431738A (en) * 1967-06-06 1969-03-11 Karl Maria Groetschel Roof supporting systems for mine workings
GB1259785A (en) * 1968-04-26 1972-01-12 Gewerk Eisenhuette Westfalia A mineral mining installation
US3570255A (en) * 1968-06-10 1971-03-16 Mastabar Mining Equipment Co L Mine roof support
FR2037349A6 (de) * 1969-02-20 1970-12-31 Gewerk Eisenhuette Westfalia

Also Published As

Publication number Publication date
DE2224438C2 (de) 1975-06-05
FR2185748A1 (de) 1974-01-04
PL85831B1 (de) 1976-05-31
BE799353A (fr) 1973-11-12
US3896626A (en) 1975-07-29
AU5577573A (en) 1974-11-21
GB1424276A (en) 1976-02-11
DE2224438B1 (de) 1973-08-09
FR2185748B3 (de) 1976-05-07
DE2224438A1 (de) 1973-08-09

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