Unidirectional airflow ventilating shoe and a unidirectional air

Details Unidirectional airflow ventilating shoe and a unidirectional air Unidirectional airflow ventilating shoe and a unidirectional air

1990-05-02

1991-04-30

Meyers, Steven N.

Boots, shoes, and leggings

Boots and shoes

Ventilated

36 3R, 36 43, A43B 706, A43B 1338

Patent

active

050106619

ABSTRACT:
A unidirectional airflow ventilating shoe having a ordinary upper and sole. A unidirectional airflow ventilating layer (1) is provided on the sole inside the shoe. The ventilating layer has an compressible cavity (2), air inlet (3), main airflow passage (4), branches (5) and air outlets (6). Fresh air outside the shoe is forcedly unidirectionally sucked into the ventilating layer and blown out to fore part inside the shoe.
To convenience sake, a unidirectional airflow ventilating insole can be made for any kind of shoes. The insole comprise a upper portion (7) and lower portion (8). The structure and shape of the upper portion is the same that of the ventilating layer (1). Lower portion (8) can either form an entirety with upper portion (7), or be an elastic substrate athered to the bottom surface of the upper portion with adhesines. The insole can be used in any kind of shoes and attain the same result as unidirectional airflow ventilating shoes of the present invention.

REFERENCES:
patent: 2741038 (1956-04-01), Eliassen
patent: 3225463 (1965-12-01), Burnham
patent: 3475836 (1969-11-01), Brahm
patent: 3716930 (1973-02-01), Brahm
patent: 4215492 (1980-08-01), Sandmeier
patent: 4224746 (1980-09-01), Kim
patent: 4654982 (1987-04-01), Lee
patent: 4760651 (1988-08-01), Pon-Tzu
patent: 4776110 (1988-10-01), Shiang

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