Three-dimensional thermo-molding of footwear
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United States of America Patent
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Sep 22, 2020
Grant Date -
Nov 16, 2017
app pub date -
May 16, 2016
filing date -
May 16, 2016
priority date (Note) -
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Abstract
Methods for manufacturing uppers for articles footwear that include thermo-forming an upper composed of one or more low melting point thermoplastic polymers. The methods may include disposing a skin for forming an upper over and inflatable bladder. The skin may include at least one of a base layer composed of a low melting point thermoplastic polymer and a grid layer including a yarn composed of a low melting point thermoplastic polymer. The skin and inflatable bladder may be placed into a mold cavity and the mold may be heated to a predetermined temperature. The inflatable bladder may be inflated such that the skin is pressed against an interior surface of the heated mold cavity to cause the skin to take on the shape of the internal surface of the mold cavity, thereby forming an upper for an article of footwear.
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