DE2051037C3 - - Google Patents

Info

Publication number
DE2051037C3
DE2051037C3 DE19702051037 DE2051037A DE2051037C3 DE 2051037 C3 DE2051037 C3 DE 2051037C3 DE 19702051037 DE19702051037 DE 19702051037 DE 2051037 A DE2051037 A DE 2051037A DE 2051037 C3 DE2051037 C3 DE 2051037C3
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.)
Expired
Application number
DE19702051037
Other languages
German (de)
Other versions
DE2051037A1 (de
DE2051037B2 (de
Inventor
Fritz 3382 Oker Theuerkauf
Suitbert Dipl.-Ing. 4300 Essen-Steele Schulte
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SALZGITTER MASCHINEN AG 3320 SALZGITTER
Original Assignee
SALZGITTER MASCHINEN AG 3320 SALZGITTER
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 SALZGITTER MASCHINEN AG 3320 SALZGITTER filed Critical SALZGITTER MASCHINEN AG 3320 SALZGITTER
Priority to DE19702051037 priority Critical patent/DE2051037B2/de
Priority to PL14930071A priority patent/PL70887B1/xx
Priority to FR7127521A priority patent/FR2101930A5/fr
Priority to GB3601971A priority patent/GB1349487A/en
Priority to CS570271A priority patent/CS178862B2/cs
Publication of DE2051037A1 publication Critical patent/DE2051037A1/de
Publication of DE2051037B2 publication Critical patent/DE2051037B2/de
Application granted granted Critical
Publication of DE2051037C3 publication Critical patent/DE2051037C3/de
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/52—Extensible units located above or below standard props
    • E21D15/526—Extensible units located above or below standard props for step-by-step extension of the prop

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Valve Housings (AREA)
DE19702051037 1970-08-08 1970-10-17 Stempelverlaengerungsvorrichtung Granted DE2051037B2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19702051037 DE2051037B2 (de) 1970-10-17 1970-10-17 Stempelverlaengerungsvorrichtung
PL14930071A PL70887B1 (enExample) 1970-08-08 1971-07-08
FR7127521A FR2101930A5 (enExample) 1970-08-08 1971-07-27
GB3601971A GB1349487A (en) 1970-08-08 1971-07-30 Pit prop
CS570271A CS178862B2 (en) 1970-10-17 1971-08-05 Mining post from light metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702051037 DE2051037B2 (de) 1970-10-17 1970-10-17 Stempelverlaengerungsvorrichtung

Publications (3)

Publication Number Publication Date
DE2051037A1 DE2051037A1 (de) 1972-04-20
DE2051037B2 DE2051037B2 (de) 1973-08-30
DE2051037C3 true DE2051037C3 (enExample) 1974-03-28

Family

ID=5785405

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702051037 Granted DE2051037B2 (de) 1970-08-08 1970-10-17 Stempelverlaengerungsvorrichtung

Country Status (2)

Country Link
CS (1) CS178862B2 (enExample)
DE (1) DE2051037B2 (enExample)

Also Published As

Publication number Publication date
DE2051037A1 (de) 1972-04-20
CS178862B2 (en) 1977-10-31
DE2051037B2 (de) 1973-08-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EGA New person/name/address of the applicant
8339 Ceased/non-payment of the annual fee