PL198260A1 - Obudowa tarczowa - Google Patents

Obudowa tarczowa

Info

Publication number
PL198260A1
PL198260A1 PL19826077A PL19826077A PL198260A1 PL 198260 A1 PL198260 A1 PL 198260A1 PL 19826077 A PL19826077 A PL 19826077A PL 19826077 A PL19826077 A PL 19826077A PL 198260 A1 PL198260 A1 PL 198260A1
Authority
PL
Poland
Prior art keywords
shield housing
shield
housing
Prior art date
Application number
PL19826077A
Other languages
English (en)
Other versions
PL114106B1 (en
Original Assignee
Bochumer Eisen Heintzmann
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 Bochumer Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann
Publication of PL198260A1 publication Critical patent/PL198260A1/pl
Publication of PL114106B1 publication Critical patent/PL114106B1/pl

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

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Building Environments (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
PL1977198260A 1976-05-21 1977-05-20 Shield-type roof support PL114106B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2622888A DE2622888B2 (de) 1976-05-21 1976-05-21 Schildausbaugestell

Publications (2)

Publication Number Publication Date
PL198260A1 true PL198260A1 (pl) 1978-01-16
PL114106B1 PL114106B1 (en) 1981-01-31

Family

ID=5978711

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1977198260A PL114106B1 (en) 1976-05-21 1977-05-20 Shield-type roof support

Country Status (5)

Country Link
US (1) US4080794A (pl)
DE (1) DE2622888B2 (pl)
GB (1) GB1579574A (pl)
PL (1) PL114106B1 (pl)
ZA (1) ZA772094B (pl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800004A1 (de) * 1978-01-02 1979-07-12 Gewerk Eisenhuette Westfalia Ausbaubock fuer den untertaegigen bergbau
DE3131607C2 (de) * 1980-08-16 1986-12-11 Dowty Mining Equipment Ltd., Ashchurch, Tewkesbury,Gloucestershire Schildausbaugestell mit einer starr ausgebildeten Sohlkonstruktion
GB2143882B (en) * 1983-07-23 1986-11-05 Dowty Mining Equipment Ltd Shield supports suitable for use in mines
US5400994A (en) * 1991-01-22 1995-03-28 Dyckerhoff & Widmann Ag Of Munich Yieldable roof support system
WO2011006041A1 (en) * 2009-07-10 2011-01-13 Joy Mm Delaware, Inc. Longwall mining roof supports

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1419954A (en) * 1972-04-27 1975-12-31 Dowty Mining Equipment Ltd Mine roof support
DE2407227B1 (de) * 1974-02-15 1975-06-05 Bochumer Eisen Heintzmann Hangendkappen-Anordnung fuer Schildausbaugestelle
US3971225A (en) * 1974-04-08 1976-07-27 Becorit Grubenausbau Gmbh Mine support assemblies
DE2451764C2 (de) * 1974-10-31 1976-09-23 Rheinstahl Ag, 4300 Essen Abdichtung zwischen kappe und bruchschild eines schildausbaugestelles

Also Published As

Publication number Publication date
ZA772094B (en) 1978-03-29
DE2622888A1 (de) 1977-11-24
DE2622888B2 (de) 1978-03-16
PL114106B1 (en) 1981-01-31
GB1579574A (en) 1980-11-19
US4080794A (en) 1978-03-28

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