CA297626A - Mecanisme rotatif de perforatrice a roc - Google Patents

Mecanisme rotatif de perforatrice a roc

Info

Publication number
CA297626A
CA297626A CA297626A CA297626DA CA297626A CA 297626 A CA297626 A CA 297626A CA 297626 A CA297626 A CA 297626A CA 297626D A CA297626D A CA 297626DA CA 297626 A CA297626 A CA 297626A
Authority
CA
Canada
Prior art keywords
rotating mechanism
rock drills
drills
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
CA297626A
Other languages
English (en)
Inventor
Mortimer Slater Fred
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA297626A publication Critical patent/CA297626A/fr
Expired legal-status Critical Current

Links

CA297626A Mecanisme rotatif de perforatrice a roc Expired CA297626A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA297626T

Publications (1)

Publication Number Publication Date
CA297626A true CA297626A (fr) 1930-02-18

Family

ID=35234945

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297626A Expired CA297626A (fr) Mecanisme rotatif de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA297626A (fr)

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