CA323508A - Tiroir de perforatrice - Google Patents

Tiroir de perforatrice

Info

Publication number
CA323508A
CA323508A CA323508A CA323508DA CA323508A CA 323508 A CA323508 A CA 323508A CA 323508 A CA323508 A CA 323508A CA 323508D A CA323508D A CA 323508DA CA 323508 A CA323508 A CA 323508A
Authority
CA
Canada
Prior art keywords
valve mechanism
rock drill
drill valve
rock
valve
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
CA323508A
Other languages
English (en)
Inventor
William Arthur Smith, 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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA323508A publication Critical patent/CA323508A/fr
Expired legal-status Critical Current

Links

CA323508A Tiroir de perforatrice Expired CA323508A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA323508T

Publications (1)

Publication Number Publication Date
CA323508A true CA323508A (fr) 1932-06-21

Family

ID=35284061

Family Applications (1)

Application Number Title Priority Date Filing Date
CA323508A Expired CA323508A (fr) Tiroir de perforatrice

Country Status (1)

Country Link
CA (1) CA323508A (fr)

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