CA499590A - Ancre actionnee par explosif pour boulon de plafond de mine - Google Patents

Ancre actionnee par explosif pour boulon de plafond de mine

Info

Publication number
CA499590A
CA499590A CA499590A CA499590DA CA499590A CA 499590 A CA499590 A CA 499590A CA 499590 A CA499590 A CA 499590A CA 499590D A CA499590D A CA 499590DA CA 499590 A CA499590 A CA 499590A
Authority
CA
Canada
Prior art keywords
mine roof
roof bolt
explosively actuated
actuated anchor
anchor
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
CA499590A
Other languages
English (en)
Inventor
Temple Robert
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.)
TEMPLE VELOCITY EQUIPMENT
Original Assignee
TEMPLE VELOCITY EQUIPMENT
Publication date
Application granted granted Critical
Publication of CA499590A publication Critical patent/CA499590A/fr
Expired legal-status Critical Current

Links

CA499590A Ancre actionnee par explosif pour boulon de plafond de mine Expired CA499590A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA499590T

Publications (1)

Publication Number Publication Date
CA499590A true CA499590A (fr) 1954-01-26

Family

ID=35645033

Family Applications (1)

Application Number Title Priority Date Filing Date
CA499590A Expired CA499590A (fr) Ancre actionnee par explosif pour boulon de plafond de mine

Country Status (1)

Country Link
CA (1) CA499590A (fr)

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