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
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/en
Application filed by Langerbein Scharf Gmbh & Co Kg filed Critical Langerbein Scharf Gmbh & Co Kg
Publication of PL304891A1 publication Critical patent/PL304891A1/en

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)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Tires In General (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 (en) 1992-12-23 1993-12-20 Active support threshold for pit expansion in longwall and track
PCT/DE1993/001229 WO1994015071A1 (en) 1992-12-23 1993-12-22 Active shoring for mine support in longwall and section

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 (en)
AU (1) AU5692694A (en)
PL (1) PL304891A1 (en)
WO (1) WO1994015071A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1291310B (en) * 1963-06-28 1969-03-27 Rheinstahl Wanheim Gmbh Route expansion
GB1348131A (en) * 1970-05-28 1974-03-13 Dobson Park Ind Cast or moulded structures and the making thereof
DE2415106A1 (en) * 1974-03-28 1975-10-16 Gfp Ges Fuer Produktentwicklun Roadway support for mines - has flexible containers filled with liquid inserted between lagging and roadway strata
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 (en) * 1986-01-30 1987-08-06 Ketterer Klaus Method of securing the roadside edges in longwall face mining, and pack of construction material
ES2038949A6 (en) * 1989-05-30 1993-08-01 Fosroc International Ltd Load support
DE9012170U1 (en) * 1990-08-24 1990-11-29 Radtke, Johannes, 4130 Moers Support pillars with impermeable fabric cover

Also Published As

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

Similar Documents

Publication Publication Date Title
ZA909083B (en) Mine roof support truss and components
GB2260558B (en) Mine roof supports
ZA931433B (en) Mine prop headboard.
GB2214963B (en) Mine roof supports
PL304891A1 (en) Active sill piece for longwall and gallery roof supports
PL297435A1 (en) Yieldable mine roof supports
ZA933156B (en) Mine prop
GB2241273B (en) Mine roof supports and components therefor
GB9014178D0 (en) Mine roof supports
PL297115A1 (en) Mine roof support
PL295738A1 (en) Self-advancing longwall roof supports
PL53803Y1 (en) Self-advancing roof supports
PL295066A1 (en) Self-advancing roof supports
PL54568Y1 (en) Mine roof support
GB9218992D0 (en) Improvements in mining roof supports
ZA921314B (en) Mine props
ZA936338B (en) Mine prop
GB2243394B (en) Mine roof supports
PL300872A1 (en) Three-section unit of longwall roof supports
PL54461Y1 (en) Shielded self-advancing roof supports
ZA938354B (en) Yieldable mine supports
PL54648Y1 (en) Mining roof support for use in caving operations
GB2214216B (en) Mine roof supports and sprags therefor
PL56897Y3 (en) Mining roof supports
PL286356A1 (en) Lemniscate shielded roof supports