Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Including integral locking means
Patent
1998-08-20
1999-10-26
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Including integral locking means
411442, 411477, 411485, F16B 1506, F16B 1508
Patent
active
059716886
ABSTRACT:
A cost-effective fastener of the driven type used in strip nail or magazine fed nailing machines with specific useful features for securing laminate flooring. Generally, the fastener has a thickness of between about 0.035 inch and 0.050 inch. The fastener has a shank of rectangular cross-section with a score formed in one side. The score reduces the size of dimples cause by driving the fastener into the flooring. The score also provides for quick identification of the fastener and facilitates removal of the fastener's head.
REFERENCES:
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patent: 2428259 (1947-09-01), Anstett
patent: 2593647 (1952-04-01), Anstett
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patent: 2868057 (1959-01-01), Anstett
patent: 3099108 (1963-07-01), Kalkbrenner
patent: 4809849 (1989-03-01), Kozyrski et al.
patent: 5060797 (1991-10-01), Sygnator
Powernail Co.
Wilson Neill
LandOfFree
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