Method and Mold Structure for Forming Eva
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United States of America Patent
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Issued Date -
Jan 15, 2009
app pub date -
Jul 14, 2007
filing date -
Jul 14, 2007
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Abandoned
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Abstract
A method for forming EVA comprises the steps of: injection-molding; mold-exchanging; thermosetting molding; product-taking out and mold-returning. An EVA-forming mold structure comprises a first mold assembly and a second mold assembly. The molds, at the same side of the first mold assembly and the second mold assembly, can be exchanged with each other. By such arrangements, after the two material members each with different material characteristics are, respectively, formed in two mold assemblies by injection molding, a thermosetting molding of the two material members will be performed in another mold assembly, thus forming an EVA product with two material characteristics.
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