AT280922B - Vorrichtung zur Halterung eines Stempels eines Wanderausbauaggregates - Google Patents

Vorrichtung zur Halterung eines Stempels eines Wanderausbauaggregates

Info

Publication number
AT280922B
AT280922B AT417568A AT417568A AT280922B AT 280922 B AT280922 B AT 280922B AT 417568 A AT417568 A AT 417568A AT 417568 A AT417568 A AT 417568A AT 280922 B AT280922 B AT 280922B
Authority
AT
Austria
Prior art keywords
stamp
holding
extension unit
traveling extension
traveling
Prior art date
Application number
AT417568A
Other languages
English (en)
Inventor
Karl M Groetschel
Original Assignee
Karl M Groetschel
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 Karl M Groetschel filed Critical Karl M Groetschel
Application granted granted Critical
Publication of AT280922B publication Critical patent/AT280922B/de

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
    • E21D23/0418—Positioning devices and stabilizing means for the props

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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Springs (AREA)
  • Vibration Prevention Devices (AREA)
AT417568A 1967-04-28 1968-04-29 Vorrichtung zur Halterung eines Stempels eines Wanderausbauaggregates AT280922B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG0049952 1967-04-28
DEG0051828 1967-12-06

Publications (1)

Publication Number Publication Date
AT280922B true AT280922B (de) 1970-04-27

Family

ID=25978897

Family Applications (1)

Application Number Title Priority Date Filing Date
AT417568A AT280922B (de) 1967-04-28 1968-04-29 Vorrichtung zur Halterung eines Stempels eines Wanderausbauaggregates

Country Status (5)

Country Link
US (1) US3530678A (de)
AT (1) AT280922B (de)
CS (1) CS166226B2 (de)
FR (1) FR1564265A (de)
GB (1) GB1226815A (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB779791A (en) * 1954-12-15 1957-07-24 Dowty Mining Equipment Ltd Improvements relating to end caps for pit-props
DE1792610U (de) * 1956-01-27 1959-07-30 Gewerk Eisenhuette Westfalia Schreitender ausbau fuer bergmaennische gewinnungsbetriebe.
GB990413A (en) * 1961-05-10 1965-04-28 Dowty Mining Equipment Ltd Roof supports suitable for use in mines
GB983079A (en) * 1962-09-04 1965-02-10 Dowty Mining Equipment Ltd Roof support suitable for use in mines
DE1178813B (de) * 1963-08-23 1964-10-01 Hoesch Bergbautechnik G M B H Elastische Aufhaengung zur Verbindung von Ausbaurahmen
GB1107379A (en) * 1964-08-11 1968-03-27 Gullick Ltd Improvements in or relating to pivotally supported members particularly of mine roof supports
GB1090594A (en) * 1964-09-24 1967-11-08 Dowty Mining Equipment Ltd Roof supports suitable for use in mines
GB1115763A (en) * 1964-12-23 1968-05-29 Gullick Ltd Improvements in or relating to mine roof and like supports

Also Published As

Publication number Publication date
FR1564265A (de) 1969-04-18
CS166226B2 (de) 1976-02-27
GB1226815A (de) 1971-03-31
US3530678A (en) 1970-09-29

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee