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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0830589 (1977-09-06) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 385 인용 특허 : 0 |
An improved construction for articles of footwear, such as boots and shoes of all types, includes an inflated insert, preferably in the shape of an insole, having a multiplicity of intercommunicating, gas containing chambers, and a ventilated moderator member which overlies the inflated insole for e
An improved construction for articles of footwear, such as boots and shoes of all types, includes an inflated insert, preferably in the shape of an insole, having a multiplicity of intercommunicating, 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 plantar surface of the foot of the wearer. The material from which the insole is constructed and the gas contained in the intercommunicating 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 substantial pressure for several years. The pressure to which the intercommunicating gas containing chambers are inflated is selected so that the insole will support the foot in a comfortable manner, distribute 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 protect 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.
An inflated insert construction for articles of footwear, comprising a sealed insert barrier member of permeable elastomeric material providing a plurality of chambers, said chambers being inflated with a gaseous medium under pressure to a desired initial value, said gaseous medium in said chambers
An inflated insert construction for articles of footwear, comprising a sealed insert barrier member of permeable elastomeric material providing a plurality of chambers, said chambers being inflated with a gaseous medium under pressure to a desired initial value, said gaseous medium in said chambers comprising a gas other than air, oxygen or nitrogen, said elastomeric material having characteristics of relatively low permeability with respect to said gas to resist diffusion of said gas therethrough from said chambers and of relatively high permeability with respect to the ambient air surrounding said insert to permit diffusion of said ambient air through said elastomeric material into each of said chambers to provide a total pressure in each chamber which is the sum of the partial pressure of the gas in each chamber and the partial pressure of the air in each chamber, the diffusion rate of said gas through said elastomeric material being substantially lower than the diffusion rate of nitrogen through said elastomeric material.
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