PL80383B1 - - Google Patents

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Publication number
PL80383B1
PL80383B1 PL13738669A PL13738669A PL80383B1 PL 80383 B1 PL80383 B1 PL 80383B1 PL 13738669 A PL13738669 A PL 13738669A PL 13738669 A PL13738669 A PL 13738669A PL 80383 B1 PL80383 B1 PL 80383B1
Authority
PL
Poland
Prior art keywords
shifter
section
conveyor
piston rod
sliding
Prior art date
Application number
PL13738669A
Other languages
English (en)
Polish (pl)
Original Assignee
Becorit Grubenausbau Mbh
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 Becorit Grubenausbau Mbh filed Critical Becorit Grubenausbau Mbh
Publication of PL80383B1 publication Critical patent/PL80383B1/pl

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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine

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)
  • Framework For Endless Conveyors (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Manipulator (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Reciprocating Conveyors (AREA)
PL13738669A 1969-01-16 1969-12-08 PL80383B1 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691902042 DE1902042A1 (de) 1969-01-16 1969-01-16 Wandernder Strebausbau fuer untertaegige Grubenbetriebe

Publications (1)

Publication Number Publication Date
PL80383B1 true PL80383B1 (https=) 1975-08-30

Family

ID=5722571

Family Applications (1)

Application Number Title Priority Date Filing Date
PL13738669A PL80383B1 (https=) 1969-01-16 1969-12-08

Country Status (4)

Country Link
JP (1) JPS4932162B1 (https=)
DE (1) DE1902042A1 (https=)
GB (1) GB1251096A (https=)
PL (1) PL80383B1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1534382B1 (de) * 1965-01-15 1970-07-23 Schraubenbach Dr Rer Hort Paul Kunstformstein,insbesondere Betonformstein
DE2234452C2 (de) * 1972-07-13 1984-08-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitendes Schildausbaugestell
DE2330764C2 (de) * 1973-06-16 1989-08-31 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur Niveausteuerung einer Gewinnungsmaschine, insbesondere eines Hobels
GB1472552A (en) * 1974-11-15 1977-05-04 Gullick Dobson Ltd Mine roof supports

Also Published As

Publication number Publication date
JPS4932162B1 (https=) 1974-08-28
DE1902042A1 (de) 1970-08-20
GB1251096A (https=) 1971-10-27

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