Patent ID: 9096028
Filing Date: 2015-08-04
Classification: A43B,B29C,B29D,B29K,B29L

Abstract:
1. A method of manufacturing a footwear midsole, the method comprising: arranging first, second, and third preforms into a first mold portion recess, a second mold portion recess cooperating with the first mold portion recess to define a midsole recess, and the first and second mold portions cooperating to define first, second, and third overflow chambers each connected to the midsole recess, wherein the second and third preforms are arranged only beneath a heel and forefoot region respectively of the first preform; closing the mold by contacting the first and second mold portions; heating the closed mold so as to melt the first, second, and third preforms and bond the second and third preforms to the first preform to form a midsole, each overflow chamber receiving one or more of a flowing first, second, and third preform material so as to form first, second, and third overflow portions; removing the midsole from the mold; allowing the removed midsole to expand; and cutting away the first, second, and third overflow portions.