AU492358B2 - Improvements in or relating to self-advancing mine roof supports - Google Patents

Improvements in or relating to self-advancing mine roof supports

Info

Publication number
AU492358B2
AU492358B2 AU83051/75A AU8305175A AU492358B2 AU 492358 B2 AU492358 B2 AU 492358B2 AU 83051/75 A AU83051/75 A AU 83051/75A AU 8305175 A AU8305175 A AU 8305175A AU 492358 B2 AU492358 B2 AU 492358B2
Authority
AU
Australia
Prior art keywords
relating
self
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 - Lifetime
Application number
AU83051/75A
Other versions
AU8305175A (en
Inventor
Dawson Allen Archelaus
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.)
Gullick Dobson Ltd
Original Assignee
Gullick Dobson Ltd
Filing date
Publication of AU492358B2 publication Critical patent/AU492358B2/en
Priority claimed from GB36490/74A external-priority patent/GB1517711A/en
Application filed by Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Publication of AU8305175A publication Critical patent/AU8305175A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU83051/75A 1975-07-15 Improvements in or relating to self-advancing mine roof supports Expired - Lifetime AU492358B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB36490/74A GB1517711A (en) 1974-08-20 1974-08-20 Self-advancing mine roof supports

Publications (2)

Publication Number Publication Date
AU492358B2 true AU492358B2 (en)
AU8305175A AU8305175A (en) 1977-01-20

Family

ID=

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