Patents by Inventor Nathaniel V. Persichetti

Nathaniel V. Persichetti 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).

  • Sleeve for die casting shot tube
    Publication number: 20070187061
    Abstract: A shot tube for the introduction of molten metal into a die cavity has a casing with a first end, a second end and a bore extending through the casing. The first end is adapted to be connected to the die cavity and a sleeve protrudes from the second end of the casing. The sleeve has a pour opening for the introduction of molten metal. A hard lubricious coating may also be applied to the interior surface of the shot tube to reduce sticking of cooled metal within the shot tube. A method for producing the shot tube described above is also disclosed.
    Type: Application
    Filed: February 13, 2006
    Publication date: August 16, 2007
    Applicant: Kennametal Inc.
    Inventors: David R. Siddle, Charles A. Marts, Donald L. Himler, James P. O'Connor, Nathaniel V. Persichetti, Ted R. Massa, George W. Coulston