CA258387A - Soupape en fuseau de foret a roc - Google Patents

Soupape en fuseau de foret a roc

Info

Publication number
CA258387A
CA258387A CA258387A CA258387DA CA258387A CA 258387 A CA258387 A CA 258387A CA 258387 A CA258387 A CA 258387A CA 258387D A CA258387D A CA 258387DA CA 258387 A CA258387 A CA 258387A
Authority
CA
Canada
Prior art keywords
spool valve
rock drill
drill
rock
spool
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
CA258387A
Other languages
English (en)
Inventor
Augustus Smith William
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 CA258387A publication Critical patent/CA258387A/fr
Expired legal-status Critical Current

Links

CA258387A Soupape en fuseau de foret a roc Expired CA258387A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA258387T

Publications (1)

Publication Number Publication Date
CA258387A true CA258387A (fr) 1926-02-23

Family

ID=35166935

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258387A Expired CA258387A (fr) Soupape en fuseau de foret a roc

Country Status (1)

Country Link
CA (1) CA258387A (fr)

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