Threaded fastener with dual reinforcing leads for...

Details Threaded fastener with dual reinforcing leads for... Threaded fastener with dual reinforcing leads for...

2002-12-18

2008-12-02

Saether, Flemming (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Thread or shank structure

Reexamination Certificate

active

07458759

ABSTRACT:
A new and improved threaded fastener comprises a first, primary thread lead, and a pair of second, auxiliary thread leads alternatively interposed between successive threads of the first, primary thread lead. As a result of the provision of the pair of second, auxiliary thread leads being interposed between successive ones of the threads of the first, primary thread lead, the formation of the first, primary threaded lead, upon the threaded fastener, is facilitated.

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