GB1384054A - Mine roof support - Google Patents

Mine roof support

Info

Publication number
GB1384054A
GB1384054A GB826271A GB826271A GB1384054A GB 1384054 A GB1384054 A GB 1384054A GB 826271 A GB826271 A GB 826271A GB 826271 A GB826271 A GB 826271A GB 1384054 A GB1384054 A GB 1384054A
Authority
GB
United Kingdom
Prior art keywords
roof support
mine roof
mine
support
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
Application number
GB826271A
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB826271A priority Critical patent/GB1384054A/en
Publication of GB1384054A publication Critical patent/GB1384054A/en
Expired 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
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

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)
GB826271A 1971-03-30 1971-03-30 Mine roof support Expired GB1384054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB826271A GB1384054A (en) 1971-03-30 1971-03-30 Mine roof support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB826271A GB1384054A (en) 1971-03-30 1971-03-30 Mine roof support

Publications (1)

Publication Number Publication Date
GB1384054A true GB1384054A (en) 1975-02-19

Family

ID=9849129

Family Applications (1)

Application Number Title Priority Date Filing Date
GB826271A Expired GB1384054A (en) 1971-03-30 1971-03-30 Mine roof support

Country Status (1)

Country Link
GB (1) GB1384054A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378240B (en) * 1981-01-13 1985-07-10 Alsace Mines Potasse HYDRAULIC DEVICE FOR POSITIONING STAMPS IN HYDRAULIC REMOVAL FRAME
GB2165574A (en) * 1984-10-13 1986-04-16 Dowty Hucknall Limited Mine roof supports with anti toppling device
US4605341A (en) * 1983-10-22 1986-08-12 Dobson Park Industries Plc. Mine roof support and attachment means therefor
CN109538271A (en) * 2018-11-29 2019-03-29 安徽省皖北煤电集团有限责任公司 A kind of coal mine top beam hydraulic rack

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378240B (en) * 1981-01-13 1985-07-10 Alsace Mines Potasse HYDRAULIC DEVICE FOR POSITIONING STAMPS IN HYDRAULIC REMOVAL FRAME
US4605341A (en) * 1983-10-22 1986-08-12 Dobson Park Industries Plc. Mine roof support and attachment means therefor
GB2165574A (en) * 1984-10-13 1986-04-16 Dowty Hucknall Limited Mine roof supports with anti toppling device
CN109538271A (en) * 2018-11-29 2019-03-29 安徽省皖北煤电集团有限责任公司 A kind of coal mine top beam hydraulic rack

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Legal Events

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