Blade member, and edge working apparatus for the blade member
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United States of America Patent
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Sep 3, 2013
Grant Date -
Nov 18, 2010
app pub date -
Dec 24, 2008
filing date -
Dec 27, 2007
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Abstract
In a vacuum chamber, the edge of each blade group is subjected to an ion beam treatment under predetermined conditions using a plasma ion gun and argon as a medium, and is subjected to a plasma ion implantation of nitrogen plasma under predetermined conditions using a plasma ion implantation gun. As a result, it is possible to provide a blade member having an edge of a cutting quality enhanced by increasing the sharpness, a blade member having an edge of a rigidity enhanced by increasing the hardness, and a working apparatus capable of working those edges efficiently.
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