BE803477R - APRON SUPPORT CHASSIS - Google Patents

APRON SUPPORT CHASSIS

Info

Publication number
BE803477R
BE803477R BE134461A BE134461A BE803477R BE 803477 R BE803477 R BE 803477R BE 134461 A BE134461 A BE 134461A BE 134461 A BE134461 A BE 134461A BE 803477 R BE803477 R BE 803477R
Authority
BE
Belgium
Prior art keywords
support chassis
apron support
apron
chassis
support
Prior art date
Application number
BE134461A
Other languages
French (fr)
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Application granted granted Critical
Publication of BE803477R publication Critical patent/BE803477R/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
    • E21D23/0039—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 and supported by a strut or by a row of struts parallel to the working face
    • 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
    • E21D23/0427—Shield operating devices; Hinges therefor

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)
BE134461A 1973-03-24 1973-08-10 APRON SUPPORT CHASSIS BE803477R (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732314834 DE2314834A1 (en) 1973-03-24 1973-03-24 SHIELD STRUCTURE

Publications (1)

Publication Number Publication Date
BE803477R true BE803477R (en) 1973-12-03

Family

ID=5875851

Family Applications (1)

Application Number Title Priority Date Filing Date
BE134461A BE803477R (en) 1973-03-24 1973-08-10 APRON SUPPORT CHASSIS

Country Status (3)

Country Link
BE (1) BE803477R (en)
DE (1) DE2314834A1 (en)
FR (1) FR2222528B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2657955C3 (en) * 1976-12-21 1985-08-08 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Shield support frame
DE2743590A1 (en) * 1977-09-28 1979-04-05 Kloeckner Werke Ag Mine support with hinged floor and roof members - has floor member attached to face conveyor by double cylinder
DE2840835C2 (en) * 1978-09-20 1986-03-06 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Shield support frame for underground longwall mining
AT360936B (en) * 1979-02-14 1981-02-10 Voest Alpine Ag EXTENSION BLOCK

Also Published As

Publication number Publication date
FR2222528A2 (en) 1974-10-18
DE2314834A1 (en) 1974-10-10
FR2222528B2 (en) 1981-08-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEWERKSCHAFT EISENHUTTE WESTFALIA

Effective date: 19850831