Automotive exterior panel
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United States of America Patent
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Oct 7, 2003
Grant Date -
Aug 1, 2002
app pub date -
Jan 18, 2002
filing date -
Jun 30, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a blow molded article with a smooth appearance and to the method of making the article. More particularly, the blow molding system of the present invention utilizes a thermal cycle to eliminate certain molding defects and a non-mirrored mold cavity surface to eliminate other molding defects. The thermal cycle sets the cavity temperature to a prescribed range to eliminate spot marks and line marks. The mold cavity surface has minute concavities/convexities and thereby produces an article with minute concavities/convexities such that when the article is painted, a smooth surface is produced without the need for sanding either the mold surface or the paint surface.
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Cited Art Landscape
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