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JPS5014127A - - Google Patents

Info

Publication number
JPS5014127A
JPS5014127A JP49043532A JP4353274A JPS5014127A JP S5014127 A JPS5014127 A JP S5014127A JP 49043532 A JP49043532 A JP 49043532A JP 4353274 A JP4353274 A JP 4353274A JP S5014127 A JPS5014127 A JP S5014127A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP49043532A
Other languages
Japanese (ja)
Other versions
JPS5743720B2 (en
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 filed Critical
Publication of JPS5014127A publication Critical patent/JPS5014127A/ja
Publication of JPS5743720B2 publication Critical patent/JPS5743720B2/ja
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004Mine 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
    • E21D23/0034Mine 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
    • E21D23/0039Mine 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409Aligning or guiding means for the supports or for the constitutive parts of the supports

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)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Chain Conveyers (AREA)
  • Manipulator (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
JP49043532A 1973-04-19 1974-04-19 Expired JPS5743720B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2319909A DE2319909C2 (en) 1973-04-19 1973-04-19 Shield support frame with support and delay device that can be opened to the side

Publications (2)

Publication Number Publication Date
JPS5014127A true JPS5014127A (en) 1975-02-14
JPS5743720B2 JPS5743720B2 (en) 1982-09-16

Family

ID=5878637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49043532A Expired JPS5743720B2 (en) 1973-04-19 1974-04-19

Country Status (12)

Country Link
US (1) US3911686A (en)
JP (1) JPS5743720B2 (en)
BE (1) BE812443A (en)
CA (1) CA990959A (en)
CS (1) CS208168B2 (en)
DE (1) DE2319909C2 (en)
ES (1) ES425435A1 (en)
FR (1) FR2226550B1 (en)
GB (1) GB1470436A (en)
HU (1) HU169525B (en)
PL (1) PL90458B1 (en)
SU (1) SU588930A3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1516637A (en) * 1974-11-23 1978-07-05 Gullick Dobson Ltd Mine roof supports
DE2525034C2 (en) * 1975-06-05 1981-01-08 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Cap for longwall construction elements
GB1494284A (en) * 1975-07-19 1977-12-07 Gullick Dobson Ltd Self-advancing mine roof supports
AT337639B (en) * 1975-09-26 1977-07-11 Voest Alpine Montan Ag SHIELD EXPANSION
DE2744992C2 (en) * 1977-10-06 1989-09-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk for a shield or trestle construction and the like.
DE2853050C2 (en) * 1978-12-08 1985-10-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Lateral sealing device for a support frame in underground mining
US4432673A (en) * 1981-04-25 1984-02-21 Dowty Mining Equipment Limited Mine roof support
DE19953526B4 (en) * 1999-11-05 2008-05-29 Dbt Gmbh Expansion stand for large seam sizes with a controlled gap seal

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1302918C2 (en) * 1965-10-02 1975-04-24 Gewerkschaft Eisenhütte Westfalia, 4628 Altlünen HIKING STREET STRUCTURE
GB1160513A (en) * 1966-03-04 1969-08-06 Karl Maria Groetschel Improvements relating to Roof Supports for Mine Workings.
DE1277789B (en) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulically moving support frame
DE1948280A1 (en) * 1969-09-24 1971-04-01 Krampe & Co Delay for the moving longwall mining
HU162717B (en) * 1971-03-05 1973-04-28
DE2128023B2 (en) * 1971-06-05 1974-04-18 Kloeckner-Werke Ag, 4100 Duisburg Migrating longwall construction with side-by-side support shields
US3728863A (en) * 1971-09-14 1973-04-24 Gewerk Eisenhuette Westfalia Mine roof support assemblies
US3837170A (en) * 1972-03-06 1974-09-24 Banyaszati Kutato Intezet Sealing and position rectifying mechanism for shield supports

Also Published As

Publication number Publication date
ES425435A1 (en) 1976-06-01
SU588930A3 (en) 1978-01-15
US3911686A (en) 1975-10-14
PL90458B1 (en) 1977-01-31
BE812443A (en) 1974-07-15
AU6752774A (en) 1975-10-09
JPS5743720B2 (en) 1982-09-16
DE2319909A1 (en) 1974-11-07
HU169525B (en) 1976-12-28
DE2319909C2 (en) 1982-07-01
FR2226550B1 (en) 1982-10-01
GB1470436A (en) 1977-04-14
CA990959A (en) 1976-06-15
CS208168B2 (en) 1981-08-31
FR2226550A1 (en) 1974-11-15

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