Rubber Sole Attaching Patents (Class 12/142RS)
  • Method and device for the manufacture of footwear
    Patent number: 3965517
    Abstract: The invention discloses a method and device for the attaching of soles to uppers of footwear which assures the correct seating of the upper on the last prior to the attaching of the sole and allows further to shorten the time needed to bond the sole to the upper.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: June 29, 1976
    Assignee: Ro-Search, Inc.
    Inventors: Horace Ray Auberry, Anton Liebscher
  • Footwear fabrication process
    Patent number: 3965516
    Abstract: A footwear fabrication process and product are disclosed. The footwear is characterized by flexibility, lightness and excellent ventilation.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: June 29, 1976
    Inventor: Juan Alvarez Romero
  • Outer shell construction for boot and method of forming same
    Patent number: 3958291
    Abstract: An outer shell construction particularly suited for a ski boot and method for forming same is provided. The outer shell construction is formed by the steps of injection molding an outer shell, and securing a collapsible core to the inside of the boot to define a cavity between the boot and the collapsible core. The collapsible core includes a conduit therethrough. The outer shell construction is completed by introducing a cellular polymer in viscous form through the conduit into the space and curing same.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: May 25, 1976
    Inventor: I. Martin Spier