DE60323449D1 - Screw with primary and double-secondary thread - Google Patents

Screw with primary and double-secondary thread

Info

Publication number
DE60323449D1
DE60323449D1 DE60323449T DE60323449T DE60323449D1 DE 60323449 D1 DE60323449 D1 DE 60323449D1 DE 60323449 T DE60323449 T DE 60323449T DE 60323449 T DE60323449 T DE 60323449T DE 60323449 D1 DE60323449 D1 DE 60323449D1
Authority
DE
Germany
Prior art keywords
primary
double
screw
secondary thread
thread
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 - Lifetime
Application number
DE60323449T
Other languages
German (de)
Inventor
Kenneth R Levey
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US10/323,265 external-priority patent/US7458759B2/en
Priority claimed from US10/413,751 external-priority patent/US20040120791A1/en
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Application granted granted Critical
Publication of DE60323449D1 publication Critical patent/DE60323449D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • Y02T30/34—
DE60323449T 2002-12-18 2003-12-18 Screw with primary and double-secondary thread Expired - Lifetime DE60323449D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/323,265 US7458759B2 (en) 2002-12-18 2002-12-18 Threaded fastener with dual reinforcing leads for facilitating manufacture of the fastener, thread rolling die for forming the threaded fastener, and method of manufacturing the threaded fastener
US43822803P 2003-01-06 2003-01-06
US10/413,751 US20040120791A1 (en) 2002-12-18 2003-04-15 Threaded fastener with dual reinforcing leads and improved substrate entry or lead end portion

Publications (1)

Publication Number Publication Date
DE60323449D1 true DE60323449D1 (en) 2008-10-23

Family

ID=39768230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60323449T Expired - Lifetime DE60323449D1 (en) 2002-12-18 2003-12-18 Screw with primary and double-secondary thread

Country Status (2)

Country Link
CA (1) CA2678501C (en)
DE (1) DE60323449D1 (en)

Also Published As

Publication number Publication date
CA2678501A1 (en) 2004-06-18
CA2678501C (en) 2011-08-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition