IN156673B - - Google Patents

Info

Publication number
IN156673B
IN156673B IN1311/CAL/82A IN1311CA1982A IN156673B IN 156673 B IN156673 B IN 156673B IN 1311CA1982 A IN1311CA1982 A IN 1311CA1982A IN 156673 B IN156673 B IN 156673B
Authority
IN
India
Application number
IN1311/CAL/82A
Other languages
English (en)
Inventor
Kenneth David Prescot
Charles John Holland
Original Assignee
Dobson Park Ind
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 Dobson Park Ind filed Critical Dobson Park Ind
Publication of IN156673B publication Critical patent/IN156673B/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08Advancing mechanisms
    • E21D23/081Advancing mechanisms forming parts of the roof supports

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)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
IN1311/CAL/82A 1982-01-16 1982-11-09 IN156673B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08201227A GB2115046B (en) 1982-01-16 1982-01-16 Self-advancing roof supports

Publications (1)

Publication Number Publication Date
IN156673B true IN156673B (de) 1985-10-12

Family

ID=10527672

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1311/CAL/82A IN156673B (de) 1982-01-16 1982-11-09

Country Status (5)

Country Link
AU (1) AU540247B2 (de)
DE (1) DE3301262A1 (de)
GB (1) GB2115046B (de)
IN (1) IN156673B (de)
ZA (1) ZA827321B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143882B (en) * 1983-07-23 1986-11-05 Dowty Mining Equipment Ltd Shield supports suitable for use in mines
DE3400771A1 (de) * 1984-01-12 1985-07-18 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Ausbaugestell, insbesondere schildausbaugestell, mit einer hubvorrichtung zum anheben der liegendkufen
HU194596B (en) * 1985-08-22 1988-02-29 Oroszlanyi Szenbanyak Supporting unit at underground widework for mechanized supporting equipment
DE3539801A1 (de) * 1985-11-09 1987-05-14 Gewerk Eisenhuette Westfalia Ausbaugestell, insbesondere schildausbaugestell, mit schreitwerk
GB2237837A (en) * 1989-11-11 1991-05-15 Meco Mining Equip Mine roof support assembly
DE4110681A1 (de) * 1991-04-03 1992-10-08 Bochumer Eisen Heintzmann Schreitausbaugestell fuer bergbauliche untertagebetriebe
CN102748054B (zh) * 2012-07-03 2014-08-13 三一重型装备有限公司 液压支架推移机构及液压支架
CN104196552A (zh) * 2014-07-16 2014-12-10 三一重型装备有限公司 抬底装置及液压支架

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503750A (en) * 1975-05-22 1978-03-15 Fletcher Sutcliffe Wild Ltd Mining equipment

Also Published As

Publication number Publication date
ZA827321B (en) 1983-08-31
DE3301262A1 (de) 1983-07-28
GB2115046A (en) 1983-09-01
GB2115046B (en) 1985-06-26
AU8949082A (en) 1983-09-08
AU540247B2 (en) 1984-11-08

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