DE2533953A1 - - Google Patents

Info

Publication number
DE2533953A1
DE2533953A1 DE19752533953 DE2533953A DE2533953A1 DE 2533953 A1 DE2533953 A1 DE 2533953A1 DE 19752533953 DE19752533953 DE 19752533953 DE 2533953 A DE2533953 A DE 2533953A DE 2533953 A1 DE2533953 A1 DE 2533953A1
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
DE19752533953
Other languages
German (de)
Other versions
DE2533953B1 (de
DE2533953C2 (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 DE19752533953 priority Critical patent/DE2533953C2/de
Publication of DE2533953B1 publication Critical patent/DE2533953B1/de
Publication of DE2533953A1 publication Critical patent/DE2533953A1/de
Application granted granted Critical
Publication of DE2533953C2 publication Critical patent/DE2533953C2/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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support

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)
  • Gasket Seals (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
DE19752533953 1975-07-30 1975-07-30 Spaltabdichtung für die Bruchschilde von Schildausbaueinheiten Expired DE2533953C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19752533953 DE2533953C2 (de) 1975-07-30 1975-07-30 Spaltabdichtung für die Bruchschilde von Schildausbaueinheiten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752533953 DE2533953C2 (de) 1975-07-30 1975-07-30 Spaltabdichtung für die Bruchschilde von Schildausbaueinheiten

Publications (3)

Publication Number Publication Date
DE2533953B1 DE2533953B1 (de) 1976-12-30
DE2533953A1 true DE2533953A1 (enExample) 1976-12-30
DE2533953C2 DE2533953C2 (de) 1978-07-13

Family

ID=5952769

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752533953 Expired DE2533953C2 (de) 1975-07-30 1975-07-30 Spaltabdichtung für die Bruchschilde von Schildausbaueinheiten

Country Status (1)

Country Link
DE (1) DE2533953C2 (enExample)

Also Published As

Publication number Publication date
DE2533953B1 (de) 1976-12-30
DE2533953C2 (de) 1978-07-13

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee