DE2208252A1 - - Google Patents

Info

Publication number
DE2208252A1
DE2208252A1 DE19722208252 DE2208252A DE2208252A1 DE 2208252 A1 DE2208252 A1 DE 2208252A1 DE 19722208252 DE19722208252 DE 19722208252 DE 2208252 A DE2208252 A DE 2208252A DE 2208252 A1 DE2208252 A1 DE 2208252A1
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.)
Withdrawn
Application number
DE19722208252
Other languages
German (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 DE19722208252 priority Critical patent/DE2208252A1/de
Publication of DE2208252A1 publication Critical patent/DE2208252A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/20—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains with safety devices operating in the event of breakage of the cable or chain

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)
DE19722208252 1972-02-22 1972-02-22 Withdrawn DE2208252A1 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19722208252 DE2208252A1 (en:Method) 1972-02-22 1972-02-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722208252 DE2208252A1 (en:Method) 1972-02-22 1972-02-22

Publications (1)

Publication Number Publication Date
DE2208252A1 true DE2208252A1 (en:Method) 1972-12-21

Family

ID=5836696

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722208252 Withdrawn DE2208252A1 (en:Method) 1972-02-22 1972-02-22

Country Status (1)

Country Link
DE (1) DE2208252A1 (en:Method)

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EGZ Application of addition ceased through non-payment of annual fee of main patent