PL91621B1 - - Google Patents

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Publication number
PL91621B1
PL91621B1 PL17052574A PL17052574A PL91621B1 PL 91621 B1 PL91621 B1 PL 91621B1 PL 17052574 A PL17052574 A PL 17052574A PL 17052574 A PL17052574 A PL 17052574A PL 91621 B1 PL91621 B1 PL 91621B1
Authority
PL
Poland
Prior art keywords
canopy
springs
canopies
sections
bearing
Prior art date
Application number
PL17052574A
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 PL91621B1 publication Critical patent/PL91621B1/pl

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/10—Anchorings for conveyors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Body Structure For Vehicles (AREA)
  • Clamps And Clips (AREA)
PL17052574A 1973-04-21 1974-04-20 PL91621B1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732320557 DE2320557C3 (de) 1973-04-21 1973-04-21 Abspannvorrichtung für einen Strebförderer

Publications (1)

Publication Number Publication Date
PL91621B1 true PL91621B1 (cs) 1977-03-31

Family

ID=5878987

Family Applications (1)

Application Number Title Priority Date Filing Date
PL17052574A PL91621B1 (cs) 1973-04-21 1974-04-20

Country Status (2)

Country Link
DE (1) DE2320557C3 (cs)
PL (1) PL91621B1 (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT344116B (de) * 1976-07-15 1978-07-10 Voest Ag Einrichtung zum abspannen des strebfoerdermittels im einfallenden streb

Also Published As

Publication number Publication date
DE2320557C3 (de) 1980-08-28
DE2320557B2 (de) 1979-06-07
DE2320557A1 (de) 1974-11-14

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