Patents Assigned to Mildred Kelly Seibering
  • Radiation cure of tire elements
    Patent number: 4221253
    Abstract: Selected portions of a tire, either before or after assembly with other components of the tire, are exposed to electron irradiation to effect at least a partial cure of a portion thereof. This tire, with its precuring treatment is then molded and the curing of the tire is completed by conventional heat curing methods with sulfure present in the rubber.
    Type: Grant
    Filed: April 20, 1979
    Date of Patent: September 9, 1980
    Assignees: Mildred Kelly Seibering, Frances S. Voke
    Inventor: Theophilus K. Seiberling