RESIN MOLDED BODY AND METHOD OF MANUFACTURING SAME
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United States of America Patent
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Issued Date -
Nov 21, 2013
app pub date -
May 3, 2013
filing date -
May 17, 2012
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Abstract
A resin molded body includes a polymeric material, such as one of a thermoplastic resin, a thermosetting resin, elastomer, and rubber, to which a required amount of ferromagnetic glittering agent having shape anisotropy is added. At a time when the polymeric material is in a molten resin state inside of a mold cavity, the polymeric material is subjected to the three-axis orientation control and orientation distribution control performed by applying a rotating magnetic field to the molten resin at a required position, adjusting an orientation of the ferromagnetic glittering agent mixed in the molten resin, and shifting the ferromagnetic glittering agent mixed in the molten resin in a required direction, and the ferromagnetic glittering agent mixed in the molten resin is then shifted to a design surface side to be thereby concentratedly distributed for orientation.
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