CA77771A - Mecanisme rotatoire pour forets a mine - Google Patents

Mecanisme rotatoire pour forets a mine

Info

Publication number
CA77771A
CA77771A CA000077771A CA77771DA CA77771A CA 77771 A CA77771 A CA 77771A CA 000077771 A CA000077771 A CA 000077771A CA 77771D A CA77771D A CA 77771DA CA 77771 A CA77771 A CA 77771A
Authority
CA
Canada
Prior art keywords
rotating mechanism
rock drill
drill rotating
rock
rotating
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
CA000077771A
Other languages
English (en)
Inventor
Robert Lunnan
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.)
RAND DRILL Co
Original Assignee
RAND DRILL Co
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
Application filed by RAND DRILL Co filed Critical RAND DRILL Co
Application granted granted Critical
Publication of CA77771A publication Critical patent/CA77771A/fr
Expired legal-status Critical Current

Links

CA000077771A 1900-10-20 1900-10-20 Mecanisme rotatoire pour forets a mine Expired CA77771A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA77771T 1900-10-20

Publications (1)

Publication Number Publication Date
CA77771A true CA77771A (fr) 1902-10-14

Family

ID=45194307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000077771A Expired CA77771A (fr) 1900-10-20 1900-10-20 Mecanisme rotatoire pour forets a mine

Country Status (1)

Country Link
CA (1) CA77771A (fr)

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