DE2322999A1 - - Google Patents

Info

Publication number
DE2322999A1
DE2322999A1 DE19732322999 DE2322999A DE2322999A1 DE 2322999 A1 DE2322999 A1 DE 2322999A1 DE 19732322999 DE19732322999 DE 19732322999 DE 2322999 A DE2322999 A DE 2322999A DE 2322999 A1 DE2322999 A1 DE 2322999A1
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
DE19732322999
Other versions
DE2322999C2 (de
DE2322999B1 (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 DE19732322999 priority Critical patent/DE2322999C2/de
Publication of DE2322999A1 publication Critical patent/DE2322999A1/de
Publication of DE2322999B1 publication Critical patent/DE2322999B1/de
Application granted granted Critical
Publication of DE2322999C2 publication Critical patent/DE2322999C2/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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/082—Cap joints for obtaining a coal-face free of pit-props of sliding type

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
DE19732322999 1973-05-08 1973-05-08 Schildartiges Ausbaugestell für untertägige Langfrontabbaubetriebe Expired DE2322999C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19732322999 DE2322999C2 (de) 1973-05-08 1973-05-08 Schildartiges Ausbaugestell für untertägige Langfrontabbaubetriebe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732322999 DE2322999C2 (de) 1973-05-08 1973-05-08 Schildartiges Ausbaugestell für untertägige Langfrontabbaubetriebe

Publications (3)

Publication Number Publication Date
DE2322999A1 true DE2322999A1 (de) 1974-02-28
DE2322999B1 DE2322999B1 (de) 1974-02-28
DE2322999C2 DE2322999C2 (de) 1974-10-10

Family

ID=5880220

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732322999 Expired DE2322999C2 (de) 1973-05-08 1973-05-08 Schildartiges Ausbaugestell für untertägige Langfrontabbaubetriebe

Country Status (1)

Country Link
DE (1) DE2322999C2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2447429A1 (de) * 1974-07-02 1976-04-08 Johannes Winkler Schildausbau mit kappenlenkvorrichtung
DE2657955C3 (de) * 1976-12-21 1985-08-08 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schildausbaugestell

Also Published As

Publication number Publication date
DE2322999C2 (de) 1974-10-10
DE2322999B1 (de) 1974-02-28

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee