Method and apparatus for making wire nails having radially offset, fully circular heads
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United States of America Patent
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Mar 23, 1993
Grant Date -
N/A
app pub date -
Feb 7, 1992
filing date -
Feb 7, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
Nails having radially offset, circular heads are manufactured from a malleable wire. The wire is clamped so that a leading portion extends axially from a clamping mechanism. The extending portion is bent at an acute angle relative to a clamping axis. The extending portion is cut so as to form a pointed end thereon and so as to leave a bent stub extending at such an angle. Such a nail head is formed from the stub, which is pressed by a punch into a cavity defined by the clamping mechanism, and which is deformed when pressed thereinto. The cavity has a fully circular, offset margin. The punch has a face covering the cavity. Once released, the wire is fed axially until a leading portion extends as before. These operations are repeated to form a similar nail in each repetition. A novel apparatus for carrying out these operations is disclosed.
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