Patents by Inventor Mervyn Rowbotham

Mervyn Rowbotham 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).

  • Fracture splitting of light metal components
    Patent number: 4884900
    Abstract: A light metal component formed in a single piece and which has an aperture in the component, the aperture being entirely surrounded by the metal of the component, wherein a fracture zone is incorporated in the metal surrounding the aperture, with a brittle material incorporated in the component at the fracture zone so that the component can be split at the fracture zone, substantially without any ductile deformation, to separate a cap portion from the rest of the component to allow a separate component to be introduced into the aperture, whereupon the cap portion can be reunited with the rest of the component to close the aperture around the separate component.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: December 5, 1989
    Assignee: Ford Motor Company
    Inventors: Jean P. Pirault, Mervyn Rowbotham, David A. Biggs