Injection molding unit for long fiber-reinforced thermoplastic resin
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United States of America Patent
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-
Jun 30, 1998
Grant Date -
N/A
app pub date -
Oct 10, 1995
filing date -
Oct 14, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An injection molding process for forming high strength, long fiber-reinforced thermoplastic resin, and for holding damage to the pellet-shaped thermoplastic resin to a minimum even when being plasticized, and maintaining the fiber length of pellet-shaped fiber bundles while unwinding the fibers and melting the resin. After the long fiber-reinforced thermoplastic resin has been heated and melted, pressure is applied to unwind the long fiber-reinforced thermoplastic resin while melted, and injection molding then performed.
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