AU5320279A - Mine roof support - Google Patents

Mine roof support

Info

Publication number
AU5320279A
AU5320279A AU53202/79A AU5320279A AU5320279A AU 5320279 A AU5320279 A AU 5320279A AU 53202/79 A AU53202/79 A AU 53202/79A AU 5320279 A AU5320279 A AU 5320279A AU 5320279 A AU5320279 A AU 5320279A
Authority
AU
Australia
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.)
Granted
Application number
AU53202/79A
Other versions
AU529191B2 (en
Inventor
John Cambridge Smith
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
Publication of AU5320279A publication Critical patent/AU5320279A/en
Application granted granted Critical
Publication of AU529191B2 publication Critical patent/AU529191B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21D23/0004—Mine 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
    • E21D23/0034—Mine 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
    • E21D23/0043—Mine 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 two or more rows of struts parallel to the working face
    • 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
AU53202/79A 1978-11-28 1979-11-27 Mine roof support Ceased AU529191B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7846370 1978-11-28
GB7846370 1978-11-28

Publications (2)

Publication Number Publication Date
AU5320279A true AU5320279A (en) 1980-05-29
AU529191B2 AU529191B2 (en) 1983-05-26

Family

ID=10501370

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53202/79A Ceased AU529191B2 (en) 1978-11-28 1979-11-27 Mine roof support

Country Status (4)

Country Link
AU (1) AU529191B2 (en)
CA (1) CA1108420A (en)
DE (1) DE2947654A1 (en)
IN (1) IN151643B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114233358B (en) * 2021-12-29 2024-04-12 安阳永安贺驼煤矿有限公司 Bag-type filling support device for top of stope

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2850073A1 (en) * 1978-11-18 1980-05-29 Fletcher Sutcliffe Wild Ltd Roof support for longwall mining - has permanently loaded force applicator acting on roof beams and restoring displaced chock legs after predetermined pressure drop

Also Published As

Publication number Publication date
DE2947654C2 (en) 1988-03-17
AU529191B2 (en) 1983-05-26
DE2947654A1 (en) 1980-06-04
IN151643B (en) 1983-06-18
CA1108420A (en) 1981-09-08

Similar Documents

Publication Publication Date Title
AU535741B2 (en) Mine roof support
AU4630779A (en) Mine roof support
AU518926B2 (en) Mine roof support system
AU5955980A (en) Tracked mine roof support
GB2031496B (en) Mine roof support unit
AU538625B2 (en) Mine roof prop
AU528716B2 (en) Roof supports
AU527664B2 (en) Mine roof support
AU539027B2 (en) Mine roof support
AU535255B2 (en) Mine roof support
AU5889980A (en) Mine roof support
AU507199B2 (en) Mine roof support
AU4934479A (en) Mine roof support
AU5531280A (en) Mine roof supporting cap
AU512807B2 (en) Mine roof support
AU513831B2 (en) Mine roof support
AU7239281A (en) Mine roof support
AU520747B2 (en) Roof support adjacent mine face
AU5480780A (en) Mine roof support structure
AU4903479A (en) Mine roof support
AU540670B2 (en) Mine roof support
GB2021669B (en) Mine roof supports
AU529191B2 (en) Mine roof support
AU509119B2 (en) Mine roof support
GB2030202B (en) Mine roof supports