GB1424276A - Shield type self advancing roof support system for supporting the roof of a longwall face in a mine - Google Patents

Shield type self advancing roof support system for supporting the roof of a longwall face in a mine

Info

Publication number
GB1424276A
GB1424276A GB2243973A GB2243973A GB1424276A GB 1424276 A GB1424276 A GB 1424276A GB 2243973 A GB2243973 A GB 2243973A GB 2243973 A GB2243973 A GB 2243973A GB 1424276 A GB1424276 A GB 1424276A
Authority
GB
United Kingdom
Prior art keywords
advancing
roof
sleepers
support system
mine
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
GB2243973A
Other languages
English (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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Publication of GB1424276A publication Critical patent/GB1424276A/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)
GB2243973A 1972-05-19 1973-05-10 Shield type self advancing roof support system for supporting the roof of a longwall face in a mine Expired GB1424276A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1424276A true GB1424276A (en) 1976-02-11

Family

ID=5845325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2243973A Expired GB1424276A (en) 1972-05-19 1973-05-10 Shield type self advancing roof support system for supporting the roof of a longwall face in a mine

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
FR2185748A1 (de) 1974-01-04
AU5577573A (en) 1974-11-21
DE2224438C2 (de) 1975-06-05
FR2185748B3 (de) 1976-05-07
DE2224438A1 (de) 1973-08-09
AU474951B2 (en) 1976-08-05
BE799353A (fr) 1973-11-12
DE2224438B1 (de) 1973-08-09
US3896626A (en) 1975-07-29
PL85831B1 (de) 1976-05-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee