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CA422137A - Anti-friction screw device - Google Patents

Anti-friction screw device

Info

Publication number
CA422137A
CA422137A CA422137A CA422137DA CA422137A CA 422137 A CA422137 A CA 422137A CA 422137 A CA422137 A CA 422137A CA 422137D A CA422137D A CA 422137DA CA 422137 A CA422137 A CA 422137A
Authority
CA
Canada
Prior art keywords
screw device
friction screw
friction
screw
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
CA422137A
Other languages
French (fr)
Inventor
S. Hoffar Henry
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.)
INTERNATIONAL MULTIFEED DRILLS
Original Assignee
INTERNATIONAL MULTIFEED DRILLS
Publication date
Application granted granted Critical
Publication of CA422137A publication Critical patent/CA422137A/en
Expired legal-status Critical Current

Links

CA422137A Anti-friction screw device Expired CA422137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA422137T

Publications (1)

Publication Number Publication Date
CA422137A true CA422137A (en) 1944-08-15

Family

ID=35533126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA422137A Expired CA422137A (en) Anti-friction screw device

Country Status (1)

Country Link
CA (1) CA422137A (en)

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