Method for forming a groove in a thermoplastic article
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United States of America Patent
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Issued Date -
Jun 29, 2006
app pub date -
Nov 29, 2005
filing date -
Oct 1, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To make a thin-wall bottom groove in an injection molded plastic article, such as the type of V-shape grooves which define tear-out portions of an article, the space between the groove-defining land of the mold and the opposing part of the mold is changeable. During injection and filling of the mold, the space is large, to enable filling of the mold. As the mold fills, the space is made small, so the desired finished dimension in the part is obtained.
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