PL304891A1 - Active sill piece for longwall and gallery roof supports - Google Patents

Active sill piece for longwall and gallery roof supports

Info

Publication number
PL304891A1
PL304891A1 PL93304891A PL30489193A PL304891A1 PL 304891 A1 PL304891 A1 PL 304891A1 PL 93304891 A PL93304891 A PL 93304891A PL 30489193 A PL30489193 A PL 30489193A PL 304891 A1 PL304891 A1 PL 304891A1
Authority
PL
Poland
Prior art keywords
longwall
active
roof supports
sill piece
gallery roof
Prior art date
Application number
PL93304891A
Other languages
English (en)
Inventor
Fritz Hoelken
Original Assignee
Langerbein Scharf Gmbh & Co Kg
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 DE4343313A external-priority patent/DE4343313A1/de
Application filed by Langerbein Scharf Gmbh & Co Kg filed Critical Langerbein Scharf Gmbh & Co Kg
Publication of PL304891A1 publication Critical patent/PL304891A1/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/48—Chocks or the like
    • E21D15/483—Chocks or the like made of flexible containers, e.g. inflatable, with or without reinforcement, e.g. filled with water, backfilling material or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Tires In General (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
PL93304891A 1992-12-23 1993-12-22 Active sill piece for longwall and gallery roof supports PL304891A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4243711 1992-12-23
DE4343313A DE4343313A1 (de) 1992-12-23 1993-12-20 Aktive Stützschwelle für den Grubenausbau in Streb und Strecke
PCT/DE1993/001229 WO1994015071A1 (de) 1992-12-23 1993-12-22 Aktive stützschwelle für den grubenausbau in streb und strecke

Publications (1)

Publication Number Publication Date
PL304891A1 true PL304891A1 (en) 1995-01-09

Family

ID=25921668

Family Applications (1)

Application Number Title Priority Date Filing Date
PL93304891A PL304891A1 (en) 1992-12-23 1993-12-22 Active sill piece for longwall and gallery roof supports

Country Status (4)

Country Link
CN (1) CN1090622A (zh)
AU (1) AU5692694A (zh)
PL (1) PL304891A1 (zh)
WO (1) WO1994015071A1 (zh)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1291310B (de) * 1963-06-28 1969-03-27 Rheinstahl Wanheim Gmbh Streckenausbau
GB1348131A (en) * 1970-05-28 1974-03-13 Dobson Park Ind Cast or moulded structures and the making thereof
DE2415106A1 (de) * 1974-03-28 1975-10-16 Gfp Ges Fuer Produktentwicklun Grubenausbau
US4072015A (en) * 1976-12-30 1978-02-07 The United States Of America As Represented By The Secretary Of The Interior Borehole aerostatic ground support system
CA1247384A (en) * 1985-01-29 1988-12-28 Alethea R.M. Hall Support member
DE3602776A1 (de) * 1986-01-30 1987-08-06 Ketterer Klaus Verfahren zur sicherung der saumkanten beim strebbau und baustoffdamm
ES2038949A6 (es) * 1989-05-30 1993-08-01 Fosroc International Ltd Metodo de proporcionar un soporte de carga y recipiente hinchable correspondiente .
DE9012170U1 (de) * 1990-08-24 1990-11-29 Radtke, Johannes, 4130 Moers Stützpfeiler mit undurchlässiger Gewebehülle

Also Published As

Publication number Publication date
CN1090622A (zh) 1994-08-10
WO1994015071A1 (de) 1994-07-07
AU5692694A (en) 1994-07-19

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