Plastic molding of articles including a hologram or other microstructure
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United States of America Patent
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Dec 10, 1991
Issued Date -
N/A
app pub date -
Sep 27, 1989
filing date -
Jun 2, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A technique for forming a mold to replicate large numbers of plastic articles, such as by injection or blow molding, wherein the mold contains a hologram or other microstructure for transfer to an outside surface of the molded article. The mold is made by electrodepositing a metal on a model of the article to be molded. Before this deposition, the hologram or other microstructure is formed on a surface area of the model by any one of several techniques. The result is a unitary mold piece in the shape of the article and having the hologram or other microstructure integrally formed on its inside surface.
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