Undercut Process
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United States of America Patent
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Issued Date -
Jul 28, 2016
app pub date -
Jan 26, 2015
filing date -
Jan 26, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A process of injection molding an item with an undercut. The process comprises injecting thermoplastic material into a mold, where the mold comprises a first half and a second half, where the first half has an undercut, and where the second half is offset at the undercut such that a thick area of thermoplastic is formed at the undercut, where the thick area of thermoplastic is thicker than adjacent areas of thermoplastic; cooling the thermoplastic until the thermoplastic is set everywhere except the thick area and the thick area has set edges and a molten core; removing the thermoplastic from the mold; allowing the thick area of thermoplastic to deform as it is removed from the mold such that it may be removed from the undercut; and allowing the thick area to return to its molded shape after being removed from the mold
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