CA814847A - Rotary boring head - Google Patents

Rotary boring head

Info

Publication number
CA814847A
CA814847A CA814847A CA814847DA CA814847A CA 814847 A CA814847 A CA 814847A CA 814847 A CA814847 A CA 814847A CA 814847D A CA814847D A CA 814847DA CA 814847 A CA814847 A CA 814847A
Authority
CA
Canada
Prior art keywords
boring head
rotary boring
rotary
head
boring
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
CA814847A
Inventor
Jerry Karlovsky, Jr.
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.)
National Mine Service Co
Original Assignee
National Mine Service Co
Publication date
Application granted granted Critical
Publication of CA814847A publication Critical patent/CA814847A/en
Expired legal-status Critical Current

Links

CA814847A Rotary boring head Expired CA814847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA814847T

Publications (1)

Publication Number Publication Date
CA814847A true CA814847A (en) 1969-06-10

Family

ID=36287359

Family Applications (1)

Application Number Title Priority Date Filing Date
CA814847A Expired CA814847A (en) Rotary boring head

Country Status (1)

Country Link
CA (1) CA814847A (en)

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