CA691984A - Valving arrangement for rock drills - Google Patents

Valving arrangement for rock drills

Info

Publication number
CA691984A
CA691984A CA691984A CA691984DA CA691984A CA 691984 A CA691984 A CA 691984A CA 691984 A CA691984 A CA 691984A CA 691984D A CA691984D A CA 691984DA CA 691984 A CA691984 A CA 691984A
Authority
CA
Canada
Prior art keywords
valving arrangement
rock drills
drills
rock
valving
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
CA691984A
Inventor
S. Oelke Erwin
H. Kurt Ewald
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 CA691984A publication Critical patent/CA691984A/en
Expired legal-status Critical Current

Links

CA691984A Valving arrangement for rock drills Expired CA691984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA691984T

Publications (1)

Publication Number Publication Date
CA691984A true CA691984A (en) 1964-08-04

Family

ID=35994607

Family Applications (1)

Application Number Title Priority Date Filing Date
CA691984A Expired CA691984A (en) Valving arrangement for rock drills

Country Status (1)

Country Link
CA (1) CA691984A (en)

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