AU450028B2 - Improvements in or relating to control systems for self advancing mine roof supports - Google Patents

Improvements in or relating to control systems for self advancing mine roof supports

Info

Publication number
AU450028B2
AU450028B2 AU15658/70A AU1565870A AU450028B2 AU 450028 B2 AU450028 B2 AU 450028B2 AU 15658/70 A AU15658/70 A AU 15658/70A AU 1565870 A AU1565870 A AU 1565870A AU 450028 B2 AU450028 B2 AU 450028B2
Authority
AU
Australia
Prior art keywords
relating
control systems
mine roof
roof supports
advancing mine
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
AU15658/70A
Other versions
AU1565870A (en
Inventor
Cooke John
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.)
Gui Lick Dobson Ltd
Original Assignee
Gui Lick Dobson 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 Gui Lick Dobson Ltd filed Critical Gui Lick Dobson Ltd
Application granted granted Critical
Publication of AU1565870A publication Critical patent/AU1565870A/en
Publication of AU450028B2 publication Critical patent/AU450028B2/en
Expired legal-status Critical Current

Links

AU15658/70A 1969-05-28 1970-05-28 Improvements in or relating to control systems for self advancing mine roof supports Expired AU450028B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB26872 1969-05-28

Publications (2)

Publication Number Publication Date
AU1565870A AU1565870A (en) 1971-12-02
AU450028B2 true AU450028B2 (en) 1971-12-02

Family

ID=

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