Fluted nail

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Including integral locking means

Patent

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Details

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.

REFERENCES:
patent: 325859 (1885-09-01), Page
patent: 451213 (1891-04-01), Shepley
patent: 519810 (1894-05-01), Floyd
patent: 747171 (1903-12-01), Hass
patent: 821025 (1906-05-01), Davies
patent: 1242924 (1917-10-01), Collings
patent: 1656333 (1928-01-01), Lund
patent: 1767565 (1930-06-01), Thrift et al.
patent: 2114451 (1938-04-01), Mattes
patent: 2382474 (1945-08-01), Gambo
patent: 2874603 (1959-02-01), Boettcher
patent: 4370840 (1983-08-01), Bisbee et al.

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