GB2045325B - Mine roof support system - Google Patents

Mine roof support system

Info

Publication number
GB2045325B
GB2045325B GB8007180A GB8007180A GB2045325B GB 2045325 B GB2045325 B GB 2045325B GB 8007180 A GB8007180 A GB 8007180A GB 8007180 A GB8007180 A GB 8007180A GB 2045325 B GB2045325 B GB 2045325B
Authority
GB
United Kingdom
Prior art keywords
support system
roof support
mine roof
mine
support
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
GB8007180A
Other versions
GB2045325A (en
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.)
Fletcher Sutcliffe Wild Ltd
Original Assignee
Fletcher Sutcliffe Wild 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 Fletcher Sutcliffe Wild Ltd filed Critical Fletcher Sutcliffe Wild Ltd
Priority to GB8007180A priority Critical patent/GB2045325B/en
Publication of GB2045325A publication Critical patent/GB2045325A/en
Application granted granted Critical
Publication of GB2045325B publication Critical patent/GB2045325B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
GB8007180A 1979-03-10 1980-03-03 Mine roof support system Expired GB2045325B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8007180A GB2045325B (en) 1979-03-10 1980-03-03 Mine roof support system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7908500 1979-03-10
GB8007180A GB2045325B (en) 1979-03-10 1980-03-03 Mine roof support system

Publications (2)

Publication Number Publication Date
GB2045325A GB2045325A (en) 1980-10-29
GB2045325B true GB2045325B (en) 1982-10-27

Family

ID=26270868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8007180A Expired GB2045325B (en) 1979-03-10 1980-03-03 Mine roof support system

Country Status (1)

Country Link
GB (1) GB2045325B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105019903A (en) * 2015-07-03 2015-11-04 中国矿业大学 Working face integrated support and mining method for steep seam

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4432673A (en) * 1981-04-25 1984-02-21 Dowty Mining Equipment Limited Mine roof support
CN116066165B (en) * 2023-03-15 2023-06-13 山西和信基业科技股份有限公司 Automatic hydraulic support for underground opening

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105019903A (en) * 2015-07-03 2015-11-04 中国矿业大学 Working face integrated support and mining method for steep seam
CN105019903B (en) * 2015-07-03 2018-07-20 中国矿业大学 A kind of half-edge coal seam working face integrated bracket and its recovery method

Also Published As

Publication number Publication date
GB2045325A (en) 1980-10-29

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Legal Events

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