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CA786056A - Mine roof bolt expansion anchor - Google Patents

Mine roof bolt expansion anchor

Info

Publication number
CA786056A
CA786056A CA786056A CA786056DA CA786056A CA 786056 A CA786056 A CA 786056A CA 786056 A CA786056 A CA 786056A CA 786056D A CA786056D A CA 786056DA CA 786056 A CA786056 A CA 786056A
Authority
CA
Canada
Prior art keywords
expansion anchor
mine roof
roof bolt
bolt expansion
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
CA786056A
Inventor
T. Michell Leslie
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
Publication date
Application granted granted Critical
Publication of CA786056A publication Critical patent/CA786056A/en
Expired legal-status Critical Current

Links

CA786056A Mine roof bolt expansion anchor Expired CA786056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA786056T

Publications (1)

Publication Number Publication Date
CA786056A true CA786056A (en) 1968-05-28

Family

ID=36248716

Family Applications (1)

Application Number Title Priority Date Filing Date
CA786056A Expired CA786056A (en) Mine roof bolt expansion anchor

Country Status (1)

Country Link
CA (1) CA786056A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087160A (en) * 1988-04-12 1992-02-11 American Mining Supply, Inc. Anchor bolt and expansion shell assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087160A (en) * 1988-04-12 1992-02-11 American Mining Supply, Inc. Anchor bolt and expansion shell assembly

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