EVA insole manufacturing process

Details EVA insole manufacturing process EVA insole manufacturing process

1993-02-22

1994-05-03

Kuhns, Allan R.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156245, 264 451, 264 464, 264 466, B29C 6722

Patent

active

053084209

ABSTRACT:
An EVA insole manufacturing process includes a step of making a molding by injecting molding an EVA resin and foaming agent mixture without through crushing or cutting procedure, and a step of heating the molding thus obtained in a mold so that it forms into a predetermined shape. Two or more moldings which respectively contain a different concentration of foaming agent or a different pigment color may be molded together so as to produce an insole which has different hardness and color at different parts thereof.

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