Method for foaming multiple color sole
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United States of America Patent
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Issued Date -
Mar 27, 2008
app pub date -
Sep 27, 2006
filing date -
Sep 27, 2006
priority date (Note) -
Abandoned
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Abstract
A method for foaming a multiple color sole comprises the steps of: placing a spacer between a male mold and a female mold; wherein the spacer has at least two flow channels; the spacers having flow channels communicated to the male mold and female mold; filling pigments into inlets of the two flow channels of the spacer by using material filling machines to the predetermined positions of the male mold and female mold; wherein the foaming materials are installed in the male mold and female mold in advance; opening the male mold and female mold and taking out the spacer; closing the male mold and female mold and then foaming the foaming material in the male mold and female mold; and opening the male mold and female mold; the foamed two color sole being taken out.
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