| 摘要 |
<p>The invention relates to an air circulation system for shoes and footwear comprising an upper (19), a sole (18) and at least one insole (11), which is placed below the upper (19) and equipped with a plurality of through holes (12A, 12C), provided in two predetermined areas (13A, 14) of the insole (11) corresponding respectively to a substantially calcaneal area of the foot, and to a substantially metatarsal/phalangeal area of the foot. Between the insole (11) and the sole (18) is placed at least one reinforcing element (17), on which two separate air pumping devices (15A, 16) are fixed, each of said pumping devices including a plurality of small air chambers (23, 24), connected one to each other through ducts or tubes (25, 26). Each air chamber has at least one opening (18A, 18C), provided in correspondence of predetermined areas (13A, 14). According to the invention, the reinforcing element (17) has a third pumping device (15B), placed in a third zone (13B) and connected with the outside through an opening provided on a side wall of the sole (18).</p> |
