A - Human Necessities – 43 – B
Patent
A - Human Necessities
43
B
A43B 5/00 (2006.01) B29D 35/00 (2010.01) A43B 1/14 (2006.01) A43B 9/02 (2006.01) A43B 13/04 (2006.01)
Patent
CA 2307284
A footwear construction and method for manufacturing the same. The sole include a rigid flexplate suspended within the midsole. The flexplate extends along substantially the entire length and width of the sole. The sole also preferably includes a rear stabilizer molded in place about the heel region of the midsole. Further, the footwear may include a dual- density collar disposed about the ankle region of the upper. The collar includes a relatively soft inner layer that permits the collar to be stitched to the upper and a relatively rigid outer layer that provides the desired level of stability. The sole is preferably manufactured using the general steps of (a) providing a mold with a plurality of flexplate locating pins, (b) positioning a flexplate within the mold, (c) injecting the midsole material into the mold about the flexplate, and (d) attaching an outsole to the midsole. The rear stabilizer is preferably molded prior to and retained within the mold during the midsole molding step. The collar is preferably molded in sequential shots, with the inner and outer materials being molded from the same family of materials to enhance bonding. The molded collar is stitched to the upper and cement to the sole.
Bandini Lucio
Matis Clark A.
Borden Ladner Gervais Llp
Wolverine World Wide Inc.
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