CA209162A - Machine a affuter les forets helicoidals - Google Patents

Machine a affuter les forets helicoidals

Info

Publication number
CA209162A
CA209162A CA209162A CA209162DA CA209162A CA 209162 A CA209162 A CA 209162A CA 209162 A CA209162 A CA 209162A CA 209162D A CA209162D A CA 209162DA CA 209162 A CA209162 A CA 209162A
Authority
CA
Canada
Prior art keywords
grinding machine
drill point
twist drill
point grinding
twist
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
CA209162A
Other languages
English (en)
Inventor
Hunt Herbert
William Hunt Herbert
Hunt Percy
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA209162A publication Critical patent/CA209162A/fr
Expired legal-status Critical Current

Links

CA209162A Machine a affuter les forets helicoidals Expired CA209162A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA209162T

Publications (1)

Publication Number Publication Date
CA209162A true CA209162A (fr) 1921-03-08

Family

ID=35102941

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209162A Expired CA209162A (fr) Machine a affuter les forets helicoidals

Country Status (1)

Country Link
CA (1) CA209162A (fr)

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