Pressing mold and method for producing the same
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United States of America Patent
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Jan 3, 2012
Grant Date -
Aug 28, 2008
app pub date -
Dec 3, 2007
filing date -
Feb 27, 2007
priority date (Note) -
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Abstract
A pressing mold for use in press working of a material includes a mold body, a coating film formed on the portion of the pressing mold that comes into contact with the material in the press working, the coating film being formed by PVD method. The coating film includes a TiN layer formed on a surface of the mold body, a Ti(C.sub.xN.sub.y) layer (wherein, x+y=1, x<1, and x gradually increases to 1 as it becomes more distant from the surface of the TiN layer) formed on the TiN layer, and a TiC layer formed on the Ti(C.sub.xN.sub.y) layer.
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