PL80728B1 - - Google Patents

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Publication number
PL80728B1
PL80728B1 PL14155970A PL14155970A PL80728B1 PL 80728 B1 PL80728 B1 PL 80728B1 PL 14155970 A PL14155970 A PL 14155970A PL 14155970 A PL14155970 A PL 14155970A PL 80728 B1 PL80728 B1 PL 80728B1
Authority
PL
Poland
Prior art keywords
conveyor
wall
actuator
shifter
support according
Prior art date
Application number
PL14155970A
Other languages
English (en)
Polish (pl)
Original Assignee
Gullick Dobson Ltd
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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Publication of PL80728B1 publication Critical patent/PL80728B1/pl

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
    • E21D23/085Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E21D23/086Details of fixing devices therefor

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)
  • Tents Or Canopies (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Manipulator (AREA)
PL14155970A 1969-06-26 1970-06-24 PL80728B1 (US20110009641A1-20110113-C00116.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691932378 DE1932378A1 (de) 1969-06-26 1969-06-26 Selbstvorrueckendes Grubenausbauelement

Publications (1)

Publication Number Publication Date
PL80728B1 true PL80728B1 (US20110009641A1-20110113-C00116.png) 1975-08-30

Family

ID=5738058

Family Applications (1)

Application Number Title Priority Date Filing Date
PL14155970A PL80728B1 (US20110009641A1-20110113-C00116.png) 1969-06-26 1970-06-24

Country Status (6)

Country Link
JP (1) JPS5328361B1 (US20110009641A1-20110113-C00116.png)
AT (1) AT296191B (US20110009641A1-20110113-C00116.png)
DE (1) DE1932378A1 (US20110009641A1-20110113-C00116.png)
ES (1) ES381184A1 (US20110009641A1-20110113-C00116.png)
GB (1) GB1269022A (US20110009641A1-20110113-C00116.png)
PL (1) PL80728B1 (US20110009641A1-20110113-C00116.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2655076A1 (de) * 1976-12-04 1978-06-15 Gewerk Eisenhuette Westfalia Ausbaugespann
DE2712388C2 (de) * 1977-03-22 1986-04-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Abspanneinrichtung für Förder- und/oder Gewinnungsanlagen in untertägigen Gewinnungsbetrieben
DE2800619C2 (de) * 1978-01-07 1986-07-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitausbau mit einer Anschlußvorrichtung für einen der Abspannung einer Förder- und/oder Gewinnungsanlage dienenden Abspannzylinder
DE3024216C2 (de) * 1980-06-27 1985-08-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Blockabspannung für eine rückbare Förder- und/oder Gewinnungsanlage
DE10393864D2 (de) 2002-12-17 2005-08-18 Tiefenbach Control Sys Gmbh Strebausbau in einem Bergwerk

Also Published As

Publication number Publication date
AT296191B (de) 1972-02-10
JPS5328361B1 (US20110009641A1-20110113-C00116.png) 1978-08-14
GB1269022A (en) 1972-03-29
ES381184A1 (es) 1972-12-01
DE1932378A1 (de) 1971-01-07

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