CA258386A - Soupape a disque de foret a roc - Google Patents

Soupape a disque de foret a roc

Info

Publication number
CA258386A
CA258386A CA258386A CA258386DA CA258386A CA 258386 A CA258386 A CA 258386A CA 258386 A CA258386 A CA 258386A CA 258386D A CA258386D A CA 258386DA CA 258386 A CA258386 A CA 258386A
Authority
CA
Canada
Prior art keywords
disc valve
rock drills
drills
rock
disc
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
CA258386A
Other languages
English (en)
Inventor
Condict Bayles Lewis
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 CA258386A publication Critical patent/CA258386A/fr
Expired legal-status Critical Current

Links

CA258386A Soupape a disque de foret a roc Expired CA258386A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA258386T

Publications (1)

Publication Number Publication Date
CA258386A true CA258386A (fr) 1926-02-23

Family

ID=35166934

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258386A Expired CA258386A (fr) Soupape a disque de foret a roc

Country Status (1)

Country Link
CA (1) CA258386A (fr)

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