Patent ID: 7140126
Filing Date: 2006-11-28
Classification: A43B,A61F

Abstract:
1. A removable insole for insertion into footwear, comprising a lower layer made of a viscoelastic gel and including: a lower surface; an upper surface; at least one of a toe portion and a heel portion formed from said viscoelastic gel, at least one recess in the lower surface of said at least one of a toe portion and a heel portion, each said recess having a peripheral side wall and a top wall, and a plurality of spaced apart spring walls formed from said viscoelastic gel in each said recess, said spring walls being connected with said top wall of a respective said recess, said spring walls having lower edges generally coplanar with a lower surface of said at least one of a toe portion and a heel portion which is in surrounding relation to the respective said recess, wherein each said spring walls consists of a generally sinusoidal wave shape.