Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Including integral locking means
Patent
1997-02-14
1998-09-22
Saether, Flemming
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Including integral locking means
411922, F16B 1508
Patent
active
058105344
ABSTRACT:
This invention relates to a nail having a head and an elongated shank with two deformed or cleated portions along the axis of the shank to increase the holding properties of the nail, especially when used to secure sheathing material to floor joists, roof trusses, or wall studs. The increased holding property is largely attributed to the second cleated portion having a diameter of about 2-25% larger than the first cleated portion of the shank.
REFERENCES:
patent: 364439 (1887-06-01), Rogers
patent: 2025961 (1935-12-01), Stone
patent: 2172553 (1939-09-01), Tripp
patent: 3717067 (1973-02-01), Vick
patent: 5391029 (1995-02-01), Fardell
patent: 5489179 (1996-02-01), Gabriel
Blair Roger
Carlisle Robert S.
Elliott James P.
Litzinger Jerrold J.
Saether Flemming
Senco Products Inc.
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