CA629314A - Mine roof support devices - Google Patents

Mine roof support devices

Info

Publication number
CA629314A
CA629314A CA629314A CA629314DA CA629314A CA 629314 A CA629314 A CA 629314A CA 629314 A CA629314 A CA 629314A CA 629314D A CA629314D A CA 629314DA CA 629314 A CA629314 A CA 629314A
Authority
CA
Canada
Prior art keywords
support devices
roof support
mine roof
mine
devices
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
CA629314A
Inventor
H. Barrett Wesley
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment Ltd
Publication date
Application granted granted Critical
Publication of CA629314A publication Critical patent/CA629314A/en
Expired legal-status Critical Current

Links

CA629314A Mine roof support devices Expired CA629314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA629314T

Publications (1)

Publication Number Publication Date
CA629314A true CA629314A (en) 1961-10-17

Family

ID=35885448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA629314A Expired CA629314A (en) Mine roof support devices

Country Status (1)

Country Link
CA (1) CA629314A (en)

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