PL85831B1 - - Google Patents

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Publication number
PL85831B1
PL85831B1 PL1973162656A PL16265673A PL85831B1 PL 85831 B1 PL85831 B1 PL 85831B1 PL 1973162656 A PL1973162656 A PL 1973162656A PL 16265673 A PL16265673 A PL 16265673A PL 85831 B1 PL85831 B1 PL 85831B1
Authority
PL
Poland
Prior art keywords
conveyor
thrust
face
guided
casing
Prior art date
Application number
PL1973162656A
Other languages
English (en)
Polish (pl)
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 filed Critical
Publication of PL85831B1 publication Critical patent/PL85831B1/pl

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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)
PL1973162656A 1972-05-19 1973-05-18 PL85831B1 (en:Method)

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
PL85831B1 true PL85831B1 (en:Method) 1976-05-31

Family

ID=5845325

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1973162656A PL85831B1 (en:Method) 1972-05-19 1973-05-18

Country Status (7)

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

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
CN102472102B (zh) 2009-07-10 2015-03-11 乔伊·姆·特拉华公司 长壁开采顶板支撑件

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 (en:Method) * 1969-02-20 1970-12-31 Gewerk Eisenhuette Westfalia

Also Published As

Publication number Publication date
AU5577573A (en) 1974-11-21
BE799353A (fr) 1973-11-12
DE2224438B1 (de) 1973-08-09
US3896626A (en) 1975-07-29
GB1424276A (en) 1976-02-11
FR2185748B3 (en:Method) 1976-05-07
FR2185748A1 (en:Method) 1974-01-04
DE2224438C2 (de) 1975-06-05
AU474951B2 (en) 1976-08-05
DE2224438A1 (en:Method) 1973-08-09

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