(19)
(11) EP 0 319 968 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.03.1990 Bulletin 1990/10

(43) Date of publication A2:
14.06.1989 Bulletin 1989/24

(21) Application number: 88120486.1

(22) Date of filing: 07.12.1988
(51) International Patent Classification (IPC)4: A43B 7/06, A43B 17/08
(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 07.12.1987 CN 87107387

(71) Applicant: Chu, Chikong
Wanchai (HK)

(72) Inventor:
  • Chu, Chikong
    Wanchai (HK)

(74) Representative: EGLI-EUROPEAN PATENT ATTORNEYS 
Widenmayerstrasse 5
80538 München
80538 München (DE)


(56) References cited: : 
   
       


    (54) Unidirectional air flow ventilating shoe and insole


    (57) A unidirectional airflow ventilating shoe having an ordinary upper and sole. A unidirectional airflow ventilating layer (1) is provided on the sole inside the shoe. The ventilating layer has a 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 an upper portion (7) and lower portion (8). The structure and shape of the upper portion is the same as that of the ventilating layer (1). Lower portion (8) can either form an entirety with upper portion (7), or be an elastic substrate adhered to the bottom surface of the upper portion with adhesives. The insole can be used in any kind of shoes and attain the same resuit as unidirec­tional airflow ventilating shoes of the present invention.







    Search report