GB1295165A - - Google Patents

Info

Publication number
GB1295165A
GB1295165A GB1295165DA GB1295165A GB 1295165 A GB1295165 A GB 1295165A GB 1295165D A GB1295165D A GB 1295165DA GB 1295165 A GB1295165 A GB 1295165A
Authority
GB
United Kingdom
Prior art keywords
interconnected
pivotal movement
base members
portions
mine roof
Prior art date
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
English (en)
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 DE19691917317 external-priority patent/DE1917317C3/de
Application filed filed Critical
Publication of GB1295165A publication Critical patent/GB1295165A/en
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
    • E21D23/0418—Positioning devices and stabilizing means for the props
    • 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)
  • Vibration Prevention Devices (AREA)
  • Tents Or Canopies (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
GB1295165D 1969-04-03 1970-03-26 Expired GB1295165A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691917317 DE1917317C3 (de) 1969-04-03 Schreitendes Ausbauelement

Publications (1)

Publication Number Publication Date
GB1295165A true GB1295165A (enExample) 1972-11-01

Family

ID=5730325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295165D Expired GB1295165A (enExample) 1969-04-03 1970-03-26

Country Status (3)

Country Link
US (1) US3651652A (enExample)
FR (1) FR2039098A5 (enExample)
GB (1) GB1295165A (enExample)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE649949A (enExample) * 1963-07-02
DE1178813B (de) * 1963-08-23 1964-10-01 Hoesch Bergbautechnik G M B H Elastische Aufhaengung zur Verbindung von Ausbaurahmen
GB1036663A (en) * 1964-04-03 1966-07-20 Gullick Ltd Improvements in or relating to mine roof and like supports
DE1232908B (de) * 1964-08-20 1967-01-26 Hoesch Bergbautechnik G M B H Ausbaugespann fuer den schreitenden Strebausbau
GB1124191A (en) * 1965-01-15 1968-08-21 Gullick Ltd Improvements in or relating to mine roof supports
BE676290A (enExample) * 1965-03-11 1966-06-16

Also Published As

Publication number Publication date
US3651652A (en) 1972-03-28
FR2039098A5 (enExample) 1971-01-08
DE1917317A1 (de) 1970-10-15
DE1917317B2 (de) 1977-03-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee