Patents by Inventor Andrew Cecil Harvey

Andrew Cecil Harvey 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).

  • Sheeter gap adjustment and hydraulic operation
    Patent number: 7217382
    Abstract: An improved dough sheeting system and method which allow for improved selection of sheeter gap size and which provide a quick release mechanism to prevent damage to sheeter rollers. Hydraulic actuators, attached to a movable roller, hold the roller in a fixed position relative to an opposing roller. The actuators are engaged with a closing force in excess of the force exerted by the sheeted material against the rollers thereby ensuring that the rollers maintain a gap of fixed width. Thermal expansion blocks mounted to the frame or housing of the opposing roller provide a means for fine adjustments in the sheeter gap.
    Type: Grant
    Filed: August 16, 2004
    Date of Patent: May 15, 2007
    Assignee: Frito-Lay North America, Inc.
    Inventors: Lawrence Alan Graham, Andrew Cecil Harvey, Ponnattu Kurian Joseph, Edward Leon Ouellette