Valve gate-type injection molding method and apparatus therefor
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United States of America Patent
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Oct 13, 1998
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N/A
app pub date -
Jun 27, 1997
filing date -
Oct 31, 1995
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Abstract
A valve pin (24b) of a valve for injecting molten resin is inserted into a cavity (31) formed in a mold (22), then the molten resin is injected and filled by way of a gate (30) into a space formed between the valve pin (24b) and the cavity (31). Then the molten resin is cooled and solidified so as to provide a molded product of synthetic resin.
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