Bandages Patents (Class 152/371)
  • Patent number: 4434832
    Abstract: The repair of a reinforced elastomer article having a hollow therein relates to utilizing an amine curable polymer or prepolymer and a cured elastomer patch. The hollow in the elastomer, which can extend either partially or completely through the article, is filled with a gum rubber which is thereafter cured by conventional means, such as with spotters. The area beneath the now filled hollow is coated with a treating agent, followed by the amine curable polymer or prepolymer and a cured patch. The polymer is then cured at room temperature. One area of use is in the repair of tires.
    Type: Grant
    Filed: March 21, 1983
    Date of Patent: March 6, 1984
    Assignee: The Firestone Tire & Rubber Company
    Inventors: Russell W. Koch, William W. Barbin
  • Patent number: 4143767
    Abstract: A tire patch is removably affixed to the front surface of a backing sheet in an area defined by a broken line extending intermediate and parallel to the top and bottom edges of the sheet and the bottom edge thereof. A sheet of abrasive material is removably affixed to the tire patch. A sealed container of liquid cement for affixing a tire patch to a tire is affixed to the front surface of the sheet in the area defined by the broken line and the top edge of the sheet and has a narrow neck just crossing the broken line whereby when the backing sheet is cut along the broken line the neck is opened and the cement is available for use.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: March 13, 1979
    Inventor: Kelvyn I. MacDonald