CA444974A - Header die for making screw blanks for double threaded screws - Google Patents

Header die for making screw blanks for double threaded screws

Info

Publication number
CA444974A
CA444974A CA444974A CA444974DA CA444974A CA 444974 A CA444974 A CA 444974A CA 444974 A CA444974 A CA 444974A CA 444974D A CA444974D A CA 444974DA CA 444974 A CA444974 A CA 444974A
Authority
CA
Canada
Prior art keywords
double threaded
threaded screws
making screw
screw blanks
header die
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
CA444974A
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 CA444974A publication Critical patent/CA444974A/en
Expired legal-status Critical Current

Links

CA444974A Header die for making screw blanks for double threaded screws Expired CA444974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA444974T

Publications (1)

Publication Number Publication Date
CA444974A true CA444974A (en) 1947-11-11

Family

ID=35562624

Family Applications (1)

Application Number Title Priority Date Filing Date
CA444974A Expired CA444974A (en) Header die for making screw blanks for double threaded screws

Country Status (1)

Country Link
CA (1) CA444974A (en)

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