A - Human Necessities – 43 – B
Patent
A - Human Necessities
43
B
36/80
A43B 13/20 (2006.01) A43B 17/03 (2006.01)
Patent
CA 1068108
IMPROVED INSOLE CONSTRUCTION FOR ARTICLES OF FOOTWEAR ABSTRACT An improved construction for articles of footwear, such as boots and shoes of all types, includes an inflated insert, prefer- ably in the shape of an insole, having a multiplicity of intercom- municating, gas containing chambers, and a ventilated moderator member which overlies the inflated insole for evenly distributing the forces exerted by the gas containing chambers across the plant- ar surface of the foot of the wearer. The material from which the insole is constructed and the gas contained in the intercommunica- ting chambers of the insole member are selected so that the rate of diffusion of the gas through the barrier material of the insole will be extremely slow, the insole remaining inflated to a substan- tial pressure for several years. The pressure to which the inter- communicating gas containing chambers are inflated is selected so that the insole will support the foot in a comfortable manner, dis- tribute the load on the foot across the plantar portion of the foot, with no unusually high pressure points on the foot, and absorb shock forces experienced during walking, jumping or running to pro- tect the bones of the foot and body and the various body organs. In addition, energy is absorbed, stored, and returned as motivating energy to the foot, leg and body in such manner as to make walking, running and jumping more efficient and less tiring.
293986
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