Apparatus for producing footwear sole

Details Apparatus for producing footwear sole Apparatus for producing footwear sole

B - Operations, Transporting

29

D

12/100

B29D 35/08 (2010.01)

Patent

CA 1079462

ABSTRACT OF THE DISCLOSURE A sole for an article of footwear including an outer sole with a lightweight filler therein, an inner sole above the outer sole and a foxing strip integral with the inner sole and surrounding the periphery of the outer sole is produced using a dummy last with a recess for receiving the filler, a clamping last, mold sides and a bottom mold piston. The outer sole is molded first using the dummy last and filler, a first portion of the mold sides and the mold piston to define a first mold cavity. Then, the inner sole is molded using the clamping last, a lasted upper or the like, a second portion of the mold sides, and the outer sole on the mold pistion to define a second mold cavity. By providing suitable recesses in the dummy last and in the first portion of the mold sides, one or more projections which extend through the foxing strip are molded in the first mold cavity.

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