Patent
1978-02-10
1980-09-02
Bonck, Rodney H.
85 11, 85 13, 85 17, 85 21, F16B 1508
Patent
active
042200709
ABSTRACT:
A nailing strip for use in a nailing machine comprises an elongated stamped and formed sheet metal strip of nails which includes a plurality of substantially rectangular nail heads integrally interconnected along the length of the strip by integral interconnecting portions at the transverse edges of the nail heads, and a pair of nail shanks integrally extending at substantially right angles from each of the nail heads of the strip at the longitudinal edges of the nail heads. The integral interconnecting portions of the strip are swaged to increase the width thereof and decrease the thickness thereof for increasing the spacing along the strip between the nail shanks of the nails and for facilitating separation of the nails from the nailing strip, they also contain transverse grooves for providing fracture lines for the ready separation of the nails from the nailing strip, they also have central sections which are offset for adding strength and rigidity to the nailing strip, and they are provided at their longitudinal edges with inwardly extending notches which form stops for controlling the advance of the nailing strip in the nailing machine. The nailing strip where the nail shanks integrally extend from the nails heads are also provided with offsets which rigidify and reinforce the substantially right angle relation between the nail heads and the nail shanks. The nail shanks of the nailing strip are tapered as they extend from the nail heads and the edges of the nail shanks are provided with barbs.
REFERENCES:
patent: 1407709 (1922-02-01), Tibbals
patent: 1581887 (1926-04-01), Taplin
patent: 1727574 (1929-09-01), Tibbals
patent: 2174708 (1939-10-01), Sears et al.
patent: 2242967 (1941-05-01), Carlile
patent: 2293862 (1942-08-01), Sorenson
patent: 3170279 (1965-02-01), Dubini
patent: 3757629 (1973-09-01), Schneider
patent: 3800653 (1974-04-01), Barth et al.
patent: 3883923 (1975-05-01), England
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