AU417954B2 - Improved advancing mine roof support - Google Patents

Improved advancing mine roof support

Info

Publication number
AU417954B2
AU417954B2 AU39112/68A AU3911268A AU417954B2 AU 417954 B2 AU417954 B2 AU 417954B2 AU 39112/68 A AU39112/68 A AU 39112/68A AU 3911268 A AU3911268 A AU 3911268A AU 417954 B2 AU417954 B2 AU 417954B2
Authority
AU
Australia
Prior art keywords
roof support
mine roof
advancing mine
improved advancing
improved
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
AU39112/68A
Other versions
AU3911268A (en
Inventor
Shuttleworth Peter
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.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment Co 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 Mastabar Mining Equipment Co Ltd filed Critical Mastabar Mining Equipment Co Ltd
Priority to AU39112/68A priority Critical patent/AU417954B2/en
Publication of AU3911268A publication Critical patent/AU3911268A/en
Application granted granted Critical
Publication of AU417954B2 publication Critical patent/AU417954B2/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
    • E21D23/04—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
    • 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
    • E21D23/0017—Pile type supports
    • E21D23/003—Pile type supports consisting of a rigid pile
AU39112/68A 1968-06-13 1968-06-13 Improved advancing mine roof support Expired AU417954B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU39112/68A AU417954B2 (en) 1968-06-13 1968-06-13 Improved advancing mine roof support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU39112/68A AU417954B2 (en) 1968-06-13 1968-06-13 Improved advancing mine roof support

Publications (2)

Publication Number Publication Date
AU3911268A AU3911268A (en) 1969-12-18
AU417954B2 true AU417954B2 (en) 1971-10-12

Family

ID=3726102

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39112/68A Expired AU417954B2 (en) 1968-06-13 1968-06-13 Improved advancing mine roof support

Country Status (1)

Country Link
AU (1) AU417954B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8311825D0 (en) * 1983-04-29 1983-06-02 Dowty Mining Equipment Ltd Roof support

Also Published As

Publication number Publication date
AU3911268A (en) 1969-12-18

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