Device and method for manufacturing end mill
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United States of America Patent
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Jul 5, 2011
Grant Date -
Jul 22, 2010
app pub date -
Jun 11, 2007
filing date -
Jun 11, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device and a method for manufacturing an end mill in which the amount of grinding of a blank end mill is small. The device for manufacturing an end mill includes: upper and lower punches; a die; a feed box for supplying a powder of material for the end mill; and a cleaner for eliminating the powder from a top surface of the die. The upper and lower punches are movable up and down relative to each other and have a lengthwise molding cavity formed thereon. The die has a penetrating slit sized to be approximated to the width of the upper and lower punches. The penetrating slit allows the up-and-down movements of the upper and lower punches. The feed box supplies the powder into a space formed by the wall of the penetrating slit and the lower punch.
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