AU8143787A - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
AU8143787A
AU8143787A AU81437/87A AU8143787A AU8143787A AU 8143787 A AU8143787 A AU 8143787A AU 81437/87 A AU81437/87 A AU 81437/87A AU 8143787 A AU8143787 A AU 8143787A AU 8143787 A AU8143787 A AU 8143787A
Authority
AU
Australia
Prior art keywords
mine roof
roof supports
supports
mine
roof
Prior art date
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
AU81437/87A
Other versions
AU598062B2 (en
Inventor
Roy Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gullick Dobson Ltd
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
Publication of AU8143787A publication Critical patent/AU8143787A/en
Application granted granted Critical
Publication of AU598062B2 publication Critical patent/AU598062B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • E21D23/0454—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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Lining And Supports For Tunnels (AREA)
AU81437/87A 1986-11-21 1987-11-20 Mine roof supports Ceased AU598062B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8627853 1986-11-21
GB8627853A GB2197678B (en) 1986-11-21 1986-11-21 Mine roof supports

Publications (2)

Publication Number Publication Date
AU8143787A true AU8143787A (en) 1988-05-26
AU598062B2 AU598062B2 (en) 1990-06-14

Family

ID=10607701

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81437/87A Ceased AU598062B2 (en) 1986-11-21 1987-11-20 Mine roof supports

Country Status (3)

Country Link
AU (1) AU598062B2 (en)
DE (1) DE3739395A1 (en)
GB (1) GB2197678B (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1037914A (en) * 1962-05-12 1966-08-03 Groetschel Karl Maria Improvements relating to roof supports for mine workings
FR2042958A5 (en) * 1969-04-09 1971-02-12 Gewerk Eisenhuette Westfalia
HU167711B (en) * 1973-12-07 1975-12-25
GB1507311A (en) * 1974-09-12 1978-04-12 Gullick Dobson Ltd Mine roof supports
DE2928728A1 (en) * 1978-07-18 1980-01-31 Fletcher Sutcliffe Wild Ltd Pit prop cap support screen - has cantilevered bar hinged via guide rods to pistons and cylinders which are on each side of support plate
DE2900981B2 (en) * 1979-01-12 1980-10-30 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Pre-pledging device for hydraulic support racks
AT360936B (en) * 1979-02-14 1981-02-10 Voest Alpine Ag EXTENSION BLOCK
GB2087964B (en) * 1980-11-26 1984-03-21 Dowty Mining Equipment Ltd Roof support for use in mines
GB2129476B (en) * 1982-10-29 1986-08-06 Dowty Mining Equipment Ltd Self-advancing support and control means therefor
DE8434257U1 (en) * 1984-11-23 1985-02-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen LOCKING DEVICE FOR CARBON BUMPER

Also Published As

Publication number Publication date
DE3739395A1 (en) 1988-06-01
GB8627853D0 (en) 1986-12-31
AU598062B2 (en) 1990-06-14
GB2197678B (en) 1990-04-11
GB2197678A (en) 1988-05-25

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