Patents by Inventor Jerry F. Harris

Jerry F. Harris 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).

  • Method of and mold for DC casting
    Patent number: 4214624
    Abstract: This invention is directed to an improved mold bore configuration for a DC casting mold wherein the feed end of the mold bore is provided with a chill section having an inner surface which tapers outwardly in the direction of the discharge end of the mold. The tapered, diverging inner surfaces intersect the surfaces of the straight walled, shape determinative chilled section of the mold bore at an obtuse angle greater than 135.degree.. Faster casting speeds can be used and improved billet and ingot surfaces result.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: July 29, 1980
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventors: John J. Foye, Jerry F. Harris