AU4903479A - Mine roof support - Google Patents

Mine roof support

Info

Publication number
AU4903479A
AU4903479A AU49034/79A AU4903479A AU4903479A AU 4903479 A AU4903479 A AU 4903479A AU 49034/79 A AU49034/79 A AU 49034/79A AU 4903479 A AU4903479 A AU 4903479A AU 4903479 A AU4903479 A AU 4903479A
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.)
Abandoned
Application number
AU49034/79A
Inventor
Malcolm Wake
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 AU4903479A publication Critical patent/AU4903479A/en
Abandoned 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
    • E21D23/04—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 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
AU49034/79A 1978-07-18 1979-07-18 Mine roof support Abandoned AU4903479A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7830207 1978-07-18
GB7830207 1978-07-18

Publications (1)

Publication Number Publication Date
AU4903479A true AU4903479A (en) 1980-01-24

Family

ID=10498487

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49034/79A Abandoned AU4903479A (en) 1978-07-18 1979-07-18 Mine roof support

Country Status (2)

Country Link
AU (1) AU4903479A (en)
DE (1) DE2928728A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197678B (en) * 1986-11-21 1990-04-11 Gullick Dobson Ltd Mine roof supports
CN106948849B (en) * 2017-02-28 2018-11-23 郑东风 A kind of bracket multiple spot face connects apical grafting side device and method

Also Published As

Publication number Publication date
DE2928728A1 (en) 1980-01-31

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