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EP0350103A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

One way air-flow shoes

Assignee: Individual
•
Filing: 1989-06-29
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Granted: —
•
Expires: 2009-06-29
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Abstract

Abstract The invention relates to a shoe having a sole and a upper. On the shoe upper,at one side of the shoe there has been mounted a non-­return inlet valve and at the other side there has been mounted a non-­return outlet valve for aerating the shoe during use.

Inventors

  • 👤 Kyun Cheol Lee

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-31 18:15
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/06; A43B7/08; A43B7/081; A43B7/082

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 59 words
Shoe having a sole and a shoe upper characterised in that on the shoe upper there has been provided a first non return inlet valve,per­mitting only flow of air from the atmosphere into the interior of the shoe and a second non return outlet valve permitting only flow of air from the interior of the shoe towards the atmosphere.
Claim 2
Dependent Claim 59 words
Shoe having a sole and a shoe upper characterised in that on the shoe upper there has been provided a first non return inlet valve,per­mitting only flow of air from the atmosphere into the interior of the shoe and a second non return outlet valve permitting only flow of air from the interior of the shoe towards the atmosphere.
Claim 3
Dependent Claim 26 words
Shoe according claim 1,characterised in that an inlet valve has been mounted on one side of the shoe and an outlet valve on the other side.
Claim 4
Dependent Claim 20 words
Shoe according claim 1 or 2,characterised in that on each side of the shoe there has been mouted two valves.
Claim 5
Dependent Claim 37 words
Shoe according any one of the preceding claims characterised in that an outlet valve is in communication with a space below an insole of the shoe,said space being also in communication with the interior of the shoe.
Claim 6
Dependent Claim 23 words
Shoe according any of the preceding claims,characterised in that a valve comprises a plate shaped portion arranged between layers of the shoe upper.
Claim 7
Dependent Claim 51 words
Shoe according claim 5,characterised in that on the plate shaped body has been provided an annular rim having its edge housed in a groove provided in a cap like member whilst between the cap like member and the plate shaped body there has been arranged a spring and a valve plate.

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