AU475559B2 - Mine roof bolts - Google Patents

Mine roof bolts

Info

Publication number
AU475559B2
AU475559B2 AU72625/74A AU7262574A AU475559B2 AU 475559 B2 AU475559 B2 AU 475559B2 AU 72625/74 A AU72625/74 A AU 72625/74A AU 7262574 A AU7262574 A AU 7262574A AU 475559 B2 AU475559 B2 AU 475559B2
Authority
AU
Australia
Prior art keywords
mine roof
roof bolts
bolts
mine
roof
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
AU72625/74A
Other versions
AU7262574A (en
Inventor
Ellis Worley William
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.)
Gulf and Western Industries Inc
Original Assignee
Gulf and Western Industries Inc
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
Priority claimed from AU17248/67A external-priority patent/AU449960B2/en
Application filed by Gulf and Western Industries Inc filed Critical Gulf and Western Industries Inc
Priority to AU72625/74A priority Critical patent/AU475559B2/en
Application granted granted Critical
Publication of AU7262574A publication Critical patent/AU7262574A/en
Publication of AU475559B2 publication Critical patent/AU475559B2/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008—Anchoring or tensioning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AU72625/74A 1967-02-03 1974-08-23 Mine roof bolts Expired AU475559B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU72625/74A AU475559B2 (en) 1967-02-03 1974-08-23 Mine roof bolts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU17248/67A AU449960B2 (en) 1967-02-03 1967-02-03 Mine roof bolts
AU72625/74A AU475559B2 (en) 1967-02-03 1974-08-23 Mine roof bolts

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU17248/67A Division AU449960B2 (en) 1967-02-03 1967-02-03 Mine roof bolts

Publications (2)

Publication Number Publication Date
AU7262574A AU7262574A (en) 1974-11-21
AU475559B2 true AU475559B2 (en) 1974-11-21

Family

ID=25616741

Family Applications (1)

Application Number Title Priority Date Filing Date
AU72625/74A Expired AU475559B2 (en) 1967-02-03 1974-08-23 Mine roof bolts

Country Status (1)

Country Link
AU (1) AU475559B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039080C2 (en) * 1980-10-16 1985-03-07 Dyckerhoff & Widmann AG, 8000 München Removable, multi-part tension member for a grouting anchor

Also Published As

Publication number Publication date
AU7262574A (en) 1974-11-21

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