Film insert molding (FIM) on a 3D shape
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United States of America Patent
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Dec 3, 2013
Grant Date -
Oct 22, 2009
app pub date -
Apr 22, 2008
filing date -
Apr 22, 2008
priority date (Note) -
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Abstract
Systems and methods are described for performing film insert molding (FIM) on a 3D shape, such as a traffic light shell or cover. A film is pre-generated for a surface to be covered by the film, and is inserted into a mold. A viscous material is then injected into the mold and the film bonds to the shell as the viscous material cools and hardens. The film includes a material selected to provide one or more of scratch resistance, improved shell hardness, UV protection, corrosion protection etc., and/or may be selected to alter optical characteristics of the shell.
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