MANUFACTURING METHOD OF INJECTION MOLDED COMPOSITE SHOE SOLE AND SOLE THEREOF
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United States of America Patent
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Issued Date -
Jun 10, 2021
app pub date -
Feb 22, 2021
filing date -
Nov 14, 2018
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Abstract
A manufacturing method of an injection molded composite shoe sole and the sole thereof are provided. The method includes facial modifying, cleaning a combination face of an additional component formed of a material different from the sole material, and coating a facial process layer on the combination face, and drying to modify the combination face; gumming, placing a gum layer on the facial process layer on the modified combination face; in-mold positioning, placing additional component into a mold; and injection molding, injecting the sole material into the mold, thereby gumming the sole material and the gum layer of the combination face to form a composite shoe sole. Therefore, the manufacturing method effectively reduces the sole manufacturing time.
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