Method and appartus for forming composite products
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United States of America Patent
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Mar 29, 1988
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N/A
app pub date -
Jul 24, 1986
filing date -
Jul 24, 1986
priority date (Note) -
Expired
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Abstract
A composite plastic product is formed by a process which includes formation of a preform of high strength plastic having openings formed therethrough which are covered by a film barrier that is formed during molding of the preform; and wherein the preform is configured to be placed as a unit in a foam station at which material is foamed onto the insert without escape to its backside.
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