Method of making a dual durometer self-locking and sealing plug
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United States of America Patent
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Dec 5, 1989
Issued Date -
N/A
app pub date -
Jun 22, 1988
filing date -
Aug 3, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A continuous method of making a dual durometer self-locking, self-sealing plug for filling and sealing holes in panels. The plug is made from two different, chemically compatible thermoplastic materials by coinjection of the two molten components sequentially into a mold and cooling them concurrently to form the unitary plug.
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