CA444973A - Method of making diamond headed screw blanks for double threaded screws - Google Patents

Method of making diamond headed screw blanks for double threaded screws

Info

Publication number
CA444973A
CA444973A CA444973A CA444973DA CA444973A CA 444973 A CA444973 A CA 444973A CA 444973 A CA444973 A CA 444973A CA 444973D A CA444973D A CA 444973DA CA 444973 A CA444973 A CA 444973A
Authority
CA
Canada
Prior art keywords
double threaded
threaded screws
headed screw
screw blanks
making diamond
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
CA444973A
Other languages
French (fr)
Inventor
A. Devellier 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.)
NEW PROCESS SCREW Corp
Original Assignee
NEW PROCESS SCREW Corp
Publication date
Application granted granted Critical
Publication of CA444973A publication Critical patent/CA444973A/en
Expired legal-status Critical Current

Links

CA444973A Method of making diamond headed screw blanks for double threaded screws Expired CA444973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA444973T

Publications (1)

Publication Number Publication Date
CA444973A true CA444973A (en) 1947-11-11

Family

ID=35562623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA444973A Expired CA444973A (en) Method of making diamond headed screw blanks for double threaded screws

Country Status (1)

Country Link
CA (1) CA444973A (en)

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