Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Separately attached head
Patent
1999-03-12
2000-05-16
Dayoan, B.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Separately attached head
411 5, 411439, 411923, F16B 1502
Patent
active
060627883
ABSTRACT:
A nail having a nail head with a top surface having a plurality of protuberances formed thereon, a nail body extending from a bottom surface of the nail head, a nail tip formed at an end of the nail body opposite the nail head, and a ring portion formed between the nail head and the nail body. The ring portion has a plurality of indentations formed thereon so as to allow separation of the nail head from the nail body upon a twisting force applied to the plurality of protuberances. The nail tip has a plurality of sliced sections formed thereon. The sliced sections have differing surface areas. The sliced sections have a generally diamond-shaped configuration. A plurality of slanting ribs extend along a length of the nail body at an acute angle relative to a longitudinal axis of the nail body.
REFERENCES:
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patent: 5372466 (1994-12-01), O'Berry
patent: 5375957 (1994-12-01), Golledge
Dayoan B.
Vaterlaus Clifford B
Yeun Chang Hardware Tool Co., Ltd.
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