Patents by Inventor David G. McRitchie

David G. McRitchie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4035212
    Abstract: Process of and composition for forming a hard, rubber-like covering on the ends of metal rolls utilized in the textile, paper or other industry including the following. A semi-liquid, elastomeric, polymeric, coating composition is provided having a viscosity sufficient to prevent sagging from the ends of the metal roll when applied thereto while being sufficiently liquid to dispense easily in a continuous stream and being cross-linkable to form a hard, rubber-like material. Cement is applied onto the ends of the metal roll and the semi-liquid coating composition is applied onto the cemented ends. The coating composition is cross-linked by heating to cure and solidify the semi-liquid composition to form a hard rubber-like coating on the ends of the metal roll.
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: July 12, 1977
    Assignee: Carolina Rubber Hose Company
    Inventor: David G. McRitchie