Patents by Inventor Paul C. Amatangelo

Paul C. Amatangelo 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).

  • Composition for the surface of sheet separating devices
    Patent number: 4192497
    Abstract: A composition is described for use on the surface of separating members or devices used in separating superposed sheets. Good sheet separation is obtained without delamination of the sheets when microcellular elastomeric materials having a hardness of at least 25 durometer are used as the surface material of the sheet separating devices. The sheet separating devices having the described surface material, have utility as retarding rolls and abutment members in sheet feeders, such as in xerographic apparatus.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: March 11, 1980
    Assignee: Xerox Corporation
    Inventors: William D. Perun, Paul C. Amatangelo
  • Rubber composition for flexible belts
    Patent number: 3931090
    Abstract: A highly reversion resistant polyisoprene elastomer composition vulcanized with a low sulfur content is described and used in paper feed belts. The polyisoprene rubber compositions are particularly useful in the paper feed belts used to feed and transport paper in xerographic machines and paper sorting machines. The low-sulfur vulcanizate of isoprene provides high resistance to physical degradation due to dynamic mechanical stress under operating conditions.
    Type: Grant
    Filed: April 26, 1974
    Date of Patent: January 6, 1976
    Assignee: Xerox Corporation
    Inventor: Paul C. Amatangelo