CA314229A - Rock drill blowing device - Google Patents

Rock drill blowing device

Info

Publication number
CA314229A
CA314229A CA314229A CA314229DA CA314229A CA 314229 A CA314229 A CA 314229A CA 314229 A CA314229 A CA 314229A CA 314229D A CA314229D A CA 314229DA CA 314229 A CA314229 A CA 314229A
Authority
CA
Canada
Prior art keywords
blowing device
rock drill
drill
rock
blowing
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
CA314229A
Other languages
French (fr)
Inventor
William Augustus Smith, Sr.
Clark Curtis John
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 CA314229A publication Critical patent/CA314229A/en
Expired legal-status Critical Current

Links

CA314229A Rock drill blowing device Expired CA314229A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA314229T

Publications (1)

Publication Number Publication Date
CA314229A true CA314229A (en) 1931-08-11

Family

ID=35273556

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314229A Expired CA314229A (en) Rock drill blowing device

Country Status (1)

Country Link
CA (1) CA314229A (en)

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