AT303648B - Pit construction for the striving - Google Patents

Pit construction for the striving

Info

Publication number
AT303648B
AT303648B AT885170A AT885170A AT303648B AT 303648 B AT303648 B AT 303648B AT 885170 A AT885170 A AT 885170A AT 885170 A AT885170 A AT 885170A AT 303648 B AT303648 B AT 303648B
Authority
AT
Austria
Prior art keywords
striving
pit construction
pit
construction
Prior art date
Application number
AT885170A
Other languages
German (de)
Original Assignee
Gullick Dobson Ltd
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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Application granted granted Critical
Publication of AT303648B publication Critical patent/AT303648B/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
    • E21D23/04—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
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
    • 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
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags
    • 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
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Bridges Or Land Bridges (AREA)
  • Body Structure For Vehicles (AREA)
AT885170A 1969-09-30 1970-09-30 Pit construction for the striving AT303648B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4787769 1969-09-30

Publications (1)

Publication Number Publication Date
AT303648B true AT303648B (en) 1972-12-11

Family

ID=10446566

Family Applications (1)

Application Number Title Priority Date Filing Date
AT885170A AT303648B (en) 1969-09-30 1970-09-30 Pit construction for the striving

Country Status (4)

Country Link
AT (1) AT303648B (en)
DE (1) DE2047769C3 (en)
FR (1) FR2062827A5 (en)
GB (1) GB1311279A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646563C3 (en) * 1976-10-15 1979-08-09 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Expansion for the hem area of a longwall
DE2655076A1 (en) * 1976-12-04 1978-06-15 Gewerk Eisenhuette Westfalia EXTENSION CLAMP
DE3024465A1 (en) * 1980-06-28 1982-01-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen PROGRESSIVE EXTENSION FOR UNDERGROUND EXTRACTION COMPANIES, IN PARTICULAR SHIELD REMOVAL

Also Published As

Publication number Publication date
GB1311279A (en) 1973-03-28
FR2062827A5 (en) 1971-06-25
DE2047769C3 (en) 1973-01-04
DE2047769A1 (en) 1971-04-08

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee