Method of producing solid material and compression molding machine
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United States of America Patent
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Aug 29, 2017
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N/A
app pub date -
Jul 26, 2013
filing date -
Aug 3, 2012
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Abstract
The invention provides a method of producing a solid material, and the method includes: applying a light coloring substance to at least one of an inner surface of a die bore, an upper end surface of a lower punch, and a lower end surface of an upper punch; filling a powdery material in the die bore; compression molding the powdery material filled in the die bore with use of the upper punch and the lower punch; and irradiating with light a molded product obtained by the compression molding to color the molded product.
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