Ear plugs and method of forming same
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United States of America Patent
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app pub date -
Dec 28, 2004
filing date -
Sep 27, 2002
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Abandoned
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Abstract
A process for forming a foamed thermoplastic earplug, comprising the steps of extruding a foamed body of thermoplastic material; shaping the foamed thermoplastic material; and at least partially separating the resulting shaped material for forming individual earplugs.
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