PL251094A3 - Roof support cap piece - Google Patents

Roof support cap piece

Info

Publication number
PL251094A3
PL251094A3 PL25109484A PL25109484A PL251094A3 PL 251094 A3 PL251094 A3 PL 251094A3 PL 25109484 A PL25109484 A PL 25109484A PL 25109484 A PL25109484 A PL 25109484A PL 251094 A3 PL251094 A3 PL 251094A3
Authority
PL
Poland
Prior art keywords
roof support
support cap
cap piece
piece
roof
Prior art date
Application number
PL25109484A
Other versions
PL146732B3 (en
Inventor
Eugeniusz Gorski
Marek Hagel
Edward Bochenek
Stanislaw Romanowicz
Kornel Olender
Original Assignee
Ct Kt Maszyn Gorniczych Komag
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 Ct Kt Maszyn Gorniczych Komag filed Critical Ct Kt Maszyn Gorniczych Komag
Priority to PL25109484A priority Critical patent/PL146732B3/en
Priority to DE19853544485 priority patent/DE3544485A1/en
Publication of PL251094A3 publication Critical patent/PL251094A3/en
Publication of PL146732B3 publication Critical patent/PL146732B3/en

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
    • 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
PL25109484A 1984-12-19 1984-12-19 Roof support cap piece PL146732B3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL25109484A PL146732B3 (en) 1984-12-19 1984-12-19 Roof support cap piece
DE19853544485 DE3544485A1 (en) 1984-12-19 1985-12-17 Cap of a support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL25109484A PL146732B3 (en) 1984-12-19 1984-12-19 Roof support cap piece

Publications (2)

Publication Number Publication Date
PL251094A3 true PL251094A3 (en) 1986-07-01
PL146732B3 PL146732B3 (en) 1989-03-31

Family

ID=20024655

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25109484A PL146732B3 (en) 1984-12-19 1984-12-19 Roof support cap piece

Country Status (2)

Country Link
DE (1) DE3544485A1 (en)
PL (1) PL146732B3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1504883A (en) * 1974-06-04 1978-03-22 Gullick Dobson Ltd Mine roof supports
DE2921671C2 (en) * 1979-05-29 1982-07-08 Ruhrkohle Ag, 4300 Essen Shield support frame with return cap
HU179856B (en) * 1980-05-06 1982-12-28 Varpalotai Szenbanyak Apparatus for nining particularly expolating thick seams
CS229507B1 (en) * 1981-04-09 1984-06-18 Tadeas Ing Wala Support unit for coal or industrial minerals seam mining in benches and/or by roof enlarging

Also Published As

Publication number Publication date
DE3544485A1 (en) 1986-06-26
PL146732B3 (en) 1989-03-31

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