Process for forming composite article
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United States of America Patent
Stats
-
Oct 7, 1986
Grant Date -
N/A
app pub date -
Mar 15, 1984
filing date -
Mar 15, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for forming a hollow, cured composite article. The process includes steps of making a plug from a meltable material. The plug is covered with a polymerizable material and the covered plug is inserted into a cavity formed in a thermally-expansive and heat-resistant polymer held within a rigid container. The almost filled container is covered and the container and part are heated to cause curing of the polymerizable covering. The cured assembly is removed from the thermally-expansive and heat-resistant polymer and heated to an extent sufficient to melt the core.
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