FR1596213A - - Google Patents

Info

Publication number
FR1596213A
FR1596213A FR1596213DA FR1596213A FR 1596213 A FR1596213 A FR 1596213A FR 1596213D A FR1596213D A FR 1596213DA FR 1596213 A FR1596213 A FR 1596213A
Authority
FR
France
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
Other languages
French (fr)
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
Priority claimed from DE19681608277 external-priority patent/DE1608277A1/de
Priority claimed from DE19681758344 external-priority patent/DE1758344C3/de
Application filed filed Critical
Application granted granted Critical
Publication of FR1596213A publication Critical patent/FR1596213A/fr
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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
FR1596213D 1968-03-09 1968-12-20 Expired FR1596213A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19681608277 DE1608277A1 (de) 1968-03-09 1968-03-09 Hydraulisch wandernder Ausbaubock mit vorgesetztem Einzelstempel
DE19681758344 DE1758344C3 (de) 1968-05-16 Hydraulisch wandernder Strebausbau mit wenigstens drei untereinander verbundenen Rahmen

Publications (1)

Publication Number Publication Date
FR1596213A true FR1596213A (de) 1970-06-15

Family

ID=25753597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1596213D Expired FR1596213A (de) 1968-03-09 1968-12-20

Country Status (3)

Country Link
JP (1) JPS4827563B1 (de)
FR (1) FR1596213A (de)
GB (1) GB1243426A (de)

Also Published As

Publication number Publication date
JPS4827563B1 (de) 1973-08-23
GB1243426A (en) 1971-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse