Method of injection molding composite articles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 21, 1992
Grant Date -
N/A
app pub date -
Jan 9, 1990
filing date -
Jul 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of molding complex composite articles having skin portions containing fibres to be injected with a resin and a core portion includes providing one or more galleries in the core or fibre skin and injecting resin into the gallery or galleries whereby it is rapidly transmitted to all portions of the skin. The galleries overcome the resistance to flow created by the capillary nature of the fibrous layer and enable more rapid mold cycles to be employed and more complex articles therefore to be molded.
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