Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Including integral locking means
Patent
1987-04-13
1988-11-01
Gall, Lloyd A.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Including integral locking means
411482, 411922, 52410, F16B 1500
Patent
active
047815086
ABSTRACT:
A nail having a head and a shaft and a plurality of flutes extending from the head down the shaft and projecting outwardly from the axis of the shaft for a distance equal to the radius of the head. The nail is favorably employed in a device for automatically delivering the nail to affix soft material, particularly drywall, foam board and the like, to solid surfaces without disintegrating the material. The lower end of each flute is spaced from the nail head a distance substantially equal to the thickness of the soft material.
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Ahlbeck, III Irving
Schroeder Bradley
Schroeder Norman
Stanwick Steven
Brueske Curtis B.
Gall Lloyd A.
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