DE2127445A1 - - Google Patents

Info

Publication number
DE2127445A1
DE2127445A1 DE19712127445 DE2127445A DE2127445A1 DE 2127445 A1 DE2127445 A1 DE 2127445A1 DE 19712127445 DE19712127445 DE 19712127445 DE 2127445 A DE2127445 A DE 2127445A DE 2127445 A1 DE2127445 A1 DE 2127445A1
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19712127445
Other languages
German (de)
Other versions
DE2127445C2 (de
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
Priority to DE19712127445 priority Critical patent/DE2127445C2/de
Publication of DE2127445A1 publication Critical patent/DE2127445A1/de
Application granted granted Critical
Publication of DE2127445C2 publication Critical patent/DE2127445C2/de
Expired legal-status Critical Current

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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)
  • Fluid-Pressure Circuits (AREA)
DE19712127445 1971-06-03 1971-06-03 Vorschubeinrichtung zum Rücken von Strebförderern mit daran längsgeführten Gewinnungsmaschinen Expired DE2127445C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712127445 DE2127445C2 (de) 1971-06-03 1971-06-03 Vorschubeinrichtung zum Rücken von Strebförderern mit daran längsgeführten Gewinnungsmaschinen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712127445 DE2127445C2 (de) 1971-06-03 1971-06-03 Vorschubeinrichtung zum Rücken von Strebförderern mit daran längsgeführten Gewinnungsmaschinen

Publications (2)

Publication Number Publication Date
DE2127445A1 true DE2127445A1 (OSRAM) 1972-10-26
DE2127445C2 DE2127445C2 (de) 1974-08-29

Family

ID=5809650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712127445 Expired DE2127445C2 (de) 1971-06-03 1971-06-03 Vorschubeinrichtung zum Rücken von Strebförderern mit daran längsgeführten Gewinnungsmaschinen

Country Status (1)

Country Link
DE (1) DE2127445C2 (OSRAM)

Also Published As

Publication number Publication date
DE2127445C2 (de) 1974-08-29

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee