From Old Tires Patents (Class 36/32A)
  • Patent number: 5369830
    Abstract: The method for manufacturing shoe soles consists in cutting by half a tire and separating its flancs, reducing the interior portion of said flancs down to the cotton weaving, smoothing both faces of said flancs in order to homogenize the surface and to obtain an appropriate average thickness, punching the sole with its definitive form and fixing said form in a press. The shoe is fabricated by pressing a leather sole in a microporous inner sole, adhering said elements to each other by application of pressure, sewing to said elements the shoe upper, adhering a steel reinforcement to the microporous inner sole, adhering a microporous wedge to a tire outer sole by application of temperature and pressure, assembling together by sizing the leather upper, the leather sole, the microporous inner sole and the steel reinforcement with the assembly formed by the wedge and the tire outer sole, and trimming the contour of the outer sole. The invention applies to the fabrication of leisure and sport shoes.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: December 6, 1994
    Assignee: The DC Company Spain, S.A.
    Inventor: Dante Chiarabini Bravi