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AU206202B2 - Improvements in bolts particularly roof bolts for use in mining and tunnelling - Google Patents

Improvements in bolts particularly roof bolts for use in mining and tunnelling

Info

Publication number
AU206202B2
AU206202B2 AU5415/54A AU541554A AU206202B2 AU 206202 B2 AU206202 B2 AU 206202B2 AU 5415/54 A AU5415/54 A AU 5415/54A AU 541554 A AU541554 A AU 541554A AU 206202 B2 AU206202 B2 AU 206202B2
Authority
AU
Australia
Prior art keywords
bolts
tunnelling
mining
particularly roof
roof bolts
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
AU5415/54A
Other versions
AU541554A (en
Inventor
Farra Ainge Ronald
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU541554A publication Critical patent/AU541554A/en
Publication of AU206202B2 publication Critical patent/AU206202B2/en
Expired legal-status Critical Current

Links

AU5415/54A 1954-12-13 Improvements in bolts particularly roof bolts for use in mining and tunnelling Expired AU206202B2 (en)

Publications (2)

Publication Number Publication Date
AU541554A AU541554A (en) 1956-05-03
AU206202B2 true AU206202B2 (en) 1956-05-03

Family

ID=

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