BE860476A - Procede de recouvrement du toit dans les chantiers d'abatage des exploitations charbonnieres avec soutenement marchant - Google Patents

Procede de recouvrement du toit dans les chantiers d'abatage des exploitations charbonnieres avec soutenement marchant

Info

Publication number
BE860476A
BE860476A BE182336A BE182336A BE860476A BE 860476 A BE860476 A BE 860476A BE 182336 A BE182336 A BE 182336A BE 182336 A BE182336 A BE 182336A BE 860476 A BE860476 A BE 860476A
Authority
BE
Belgium
Prior art keywords
coal
roof covering
walking support
covering procedure
felling
Prior art date
Application number
BE182336A
Other languages
English (en)
Original Assignee
Kalk Chemische Fabrik Gmbh
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 Kalk Chemische Fabrik Gmbh filed Critical Kalk Chemische Fabrik Gmbh
Publication of BE860476A publication Critical patent/BE860476A/fr

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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/16—Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Processing Of Solid Wastes (AREA)
BE182336A 1976-11-05 1977-11-04 Procede de recouvrement du toit dans les chantiers d'abatage des exploitations charbonnieres avec soutenement marchant BE860476A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2650675A DE2650675C3 (de) 1976-11-05 1976-11-05 Verfahren zur Staubbekämpfung am Hangenden von Gewinnungsbetrieben des Kohlenbergbaus

Publications (1)

Publication Number Publication Date
BE860476A true BE860476A (fr) 1978-03-01

Family

ID=5992508

Family Applications (1)

Application Number Title Priority Date Filing Date
BE182336A BE860476A (fr) 1976-11-05 1977-11-04 Procede de recouvrement du toit dans les chantiers d'abatage des exploitations charbonnieres avec soutenement marchant

Country Status (4)

Country Link
BE (1) BE860476A (fr)
DE (1) DE2650675C3 (fr)
PL (1) PL113785B1 (fr)
ZA (1) ZA776641B (fr)

Also Published As

Publication number Publication date
PL113785B1 (en) 1980-12-31
DE2650675B2 (de) 1979-12-13
ZA776641B (en) 1978-06-28
PL201891A1 (pl) 1978-07-17
DE2650675C3 (de) 1980-08-28
DE2650675A1 (de) 1978-05-11

Similar Documents

Publication Publication Date Title
BR7804587A (pt) Trator agricola
BE857909A (fr) Structure de tente
ATA61079A (de) Ziegeldach
BE826962A (fr) Polysiloxannes transparents, stables en cours de conservation, et que l'on peut reticuler dans les conditions atmospheriques
BE861810A (fr) Dispositif d'assemblage de deux pieces
BR7706721A (pt) Trator
GB2025334B (en) Tractor with reduced turning radius
BE857788A (fr) Broyeur vertical avec separateur
IT1111105B (it) Triniciaforaggio agricolo semovente
IT1071785B (it) Veicolo trattore particolarmente per l'impiego agricolo
BR7800501A (pt) Trator com implemento dilacerador
IL52412A0 (en) Polyethylene sheeting for covering tunnel shaped structures used in agriculture
BR7903988A (pt) Transportador agitador;haste de tracao,aperfeicoamento;e calha transportadora
BE860476A (fr) Procede de recouvrement du toit dans les chantiers d'abatage des exploitations charbonnieres avec soutenement marchant
DE3871240D1 (de) Aktivierbare lithium/thionylchlorid- oder lithium/sulfurylchlorid-zelle.
BR7705153A (pt) Aparelho de montagem de grade de trator
FR2526067B2 (fr) Closoir de faitage ou d'aretier a ventilation amelioree
BG28405A4 (bg) Kherbiciden s"stav
PT66310A (fr) Parapluie avec retenteur de l'eau egouttee
DK163979A (da) Telt
BE857078A (fr) Perfectionnements apportes et/ou relatifs aux joints tubulaires ou elements semblables
GB2027476B (en) Roof trusses
GB1544554A (en) Adjustable hood or canopy
SE7706680L (sv) Festorgan for festande av den av bojligt spennbart material bestaende himmeln i fordonstak
JPS5354825A (en) Combinationntype roofing material using sulfur and asphalt