FIELD: human vital needs satisfaction.
SUBSTANCE: plates with reverse valves for shoes include an elastic porous valve plate which is mounted on the upper surface of the shoe sole and on which receiving grooves are fixed. The porous valve plate can cover the receiving grooves, as well as a plurality of valves located within the porous valve plate, selectively open/closed in accordance with air pressure and made within the thickness of the porous valve plate. The valves are positioned within a porous valve plate having a predetermined thickness, the lower portions of the valves do not protrude downward from the porous valve plate to minimize the thickness of the porous valve plate with the valves arranged on the plate, which allows to use of the porous valve plate in shoes with a thin sole.
EFFECT: improved air circulation throughout the footwear.
3 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| AIR-PERMEABLE FOOTWEAR SOLE | 2010 |
|
RU2528361C2 |
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| PNEUMATIC SPRINGY BOOTS | 1995 |
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| CROSS-LINKED FOAM WITH INTERNAL CAVITY STRUCTURE AND PROCESS OF ITS OBTAINING | 2004 |
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RU2328509C2 |
