Pressure vessel manufacture method
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United States of America Patent
Stats
-
Dec 9, 2003
Grant Date -
Aug 29, 2002
app pub date -
Feb 20, 2002
filing date -
Feb 23, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of molding a hollow, reinforced molded plastic article. A preform is provided in the shape of the article to be molded. The preform comprises randomly commingled, short lengths of thermoplastic and reinforcing fibers loosely bonded together. A core is provided within the preform and may either be a flexible inflatable core which may be removed later or a thermoplastic liner. The preform is placed in a mold and heated to fuse the thermoplastic while a pressurized liquid coolant is circulated within the core.
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