Injection molded article having integral thermoplastic skin and method for making same
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United States of America Patent
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Issued Date -
Jun 16, 2005
app pub date -
Jul 9, 2004
filing date -
Dec 16, 2003
priority date (Note) -
Abandoned
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Abstract
An injection molded article having an integral thermoplastic skin, and a method for making such an article. The article includes an injection molded substrate and a thermoplastic skin integrally bonded to the substrate during the injection molding process. The process includes the steps of opening the mold; placing the thermoplastic skin in the mold: closing the mold; injection molding the plastic substrate at a temperature, pressure, and fill rate that avoids thermal or mechanical damage to the skin; opening the mold; and removing the article from the mold. In a first refinement, the mold is pressurized prior to injection molding to force the skin into conformance with the mold. In a second refinement, the marginal edge of the skin is sandwiched between the mold halves so that the marginal edge remains free of the plastic substrate.
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