GB2197678B - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
GB2197678B
GB2197678B GB8627853A GB8627853A GB2197678B GB 2197678 B GB2197678 B GB 2197678B GB 8627853 A GB8627853 A GB 8627853A GB 8627853 A GB8627853 A GB 8627853A GB 2197678 B GB2197678 B GB 2197678B
Authority
GB
United Kingdom
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.)
Expired - Fee Related
Application number
GB8627853A
Other versions
GB2197678A (en
GB8627853D0 (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
Priority to GB8627853A priority Critical patent/GB2197678B/en
Publication of GB8627853D0 publication Critical patent/GB8627853D0/en
Priority to DE19873739395 priority patent/DE3739395A1/en
Priority to AU81437/87A priority patent/AU598062B2/en
Publication of GB2197678A publication Critical patent/GB2197678A/en
Application granted granted Critical
Publication of GB2197678B publication Critical patent/GB2197678B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
GB8627853A 1986-11-21 1986-11-21 Mine roof supports Expired - Fee Related GB2197678B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8627853A GB2197678B (en) 1986-11-21 1986-11-21 Mine roof supports
DE19873739395 DE3739395A1 (en) 1986-11-21 1987-11-20 PITCH ROOFS
AU81437/87A AU598062B2 (en) 1986-11-21 1987-11-20 Mine roof supports

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8627853D0 GB8627853D0 (en) 1986-12-31
GB2197678A GB2197678A (en) 1988-05-25
GB2197678B true GB2197678B (en) 1990-04-11

Family

ID=10607701

Family Applications (1)

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

Country Status (3)

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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1037916A (en) * 1962-05-12 1966-08-03 Groetschel Karl Maria Improvements relating to roof supports for mine workings
GB1295779A (en) * 1969-04-09 1972-11-08
US4048803A (en) * 1973-12-07 1977-09-20 Banyaszati Kutato Intezet Mining shield support apparatus
GB1507311A (en) * 1974-09-12 1978-04-12 Gullick Dobson Ltd Mine roof supports
GB2087964A (en) * 1980-11-26 1982-06-03 Dowty Mining Equipment Ltd Roof support for use in mines
GB2129476A (en) * 1982-10-29 1984-05-16 Dowty Mining Equipment Ltd Self-advancing support and control means therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE8434257U1 (en) * 1984-11-23 1985-02-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen LOCKING DEVICE FOR CARBON BUMPER

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1037916A (en) * 1962-05-12 1966-08-03 Groetschel Karl Maria Improvements relating to roof supports for mine workings
GB1295779A (en) * 1969-04-09 1972-11-08
US4048803A (en) * 1973-12-07 1977-09-20 Banyaszati Kutato Intezet Mining shield support apparatus
GB1507311A (en) * 1974-09-12 1978-04-12 Gullick Dobson Ltd Mine roof supports
GB2087964A (en) * 1980-11-26 1982-06-03 Dowty Mining Equipment Ltd Roof support for use in mines
GB2129476A (en) * 1982-10-29 1984-05-16 Dowty Mining Equipment Ltd Self-advancing support and control means therefor

Also Published As

Publication number Publication date
AU598062B2 (en) 1990-06-14
GB2197678A (en) 1988-05-25
DE3739395A1 (en) 1988-06-01
AU8143787A (en) 1988-05-26
GB8627853D0 (en) 1986-12-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931121