MULTILAYER INNER SOLE
shoe industry, in particular, production of auxiliary inner sole which may be put into winter as well as summer shoes. SUBSTANCE: multilayer inner sole has three layers sewn one with the other. Upper layer is made from hydrophilic, preferably natural, material. Intermediate sweat and odor absorbing...
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Zusammenfassung: | shoe industry, in particular, production of auxiliary inner sole which may be put into winter as well as summer shoes. SUBSTANCE: multilayer inner sole has three layers sewn one with the other. Upper layer is made from hydrophilic, preferably natural, material. Intermediate sweat and odor absorbing layer is made from activated carbonic fibrous material with specific surface of at least 1,200 sq.m/g, moisture absorption capacity of at least 500% and air-permeability of at least 100 cu.dm/sq.m/s. Intermediate layer may be made from ion-exchanging fibrous nonwoven material with surface density of 0.2-1.0 kg/sq.m, thickness of at least 3 mm and air-permeability of at least 200 cu.dm/sq.m/s. Lower layer is composed of hydrophilic material, such as insole carton, natural or artificial leather. EFFECT: increased efficiency and provision for optimum combination of consumer properties and inner sole manufacture process. 7 cl |
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