A - Human Necessities – 43 – B
Patent
A - Human Necessities
43
B
36/18, 252/19, 3
A43B 13/40 (2006.01) A43B 13/04 (2006.01)
Patent
CA 1062458
INSOLES FOR FOOTWEAR ABSTRACT An odor absorbing insole or insock covering the inner sole of footwear has a bottom inner sole engaging open cellular resilient cushion layer, an intermediate nonwoven random fiber felt mat porous layer having the fibers coated with an odor and moisture absorbing chemical such as activated charcoal or silica gel, and a porous slippery abrasion resisting top fabric layer protecting the foot or sock of the wearer against discoloration or irritation. The layers of the insole are laminated into integral unitary rela- tion by heat sealing or by binders which do not impede flow of air. The alternating application and release of foot pressure on the insole as when walking will alternately compress and expand the open-cellular cushion layer to pump air through intermediate layer and abrasion resisting top layer for circulating air in the foot- wear around the foot into intimate contact with the chemical for efficient absorption of moisture from foot perspiration and des- truction of foot odors.
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