Patents by Inventor Wayne T. Workman

Wayne T. Workman 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 for positioning a loaded bag in a vacuum chamber
    Patent number: 7891159
    Abstract: A method of positioning a loaded bag in a vacuum chamber includes loading a bag by placing a product in the bag; placing the bag on an infeed conveyor that is transparent to IR; advancing the bag, on the conveyor, to a sensing apparatus including an infrared camera disposed above the conveyor, and a bank of LED's disposed below the conveyor; interrogating the loaded bag, using the sensing apparatus, with infrared radiation to detect the trailing edge of the product inside the bag; transmitting information acquired from the interrogating step to a PLC; advancing the interrogated loaded bag a distance, based in the information acquired from the interrogating step, to a vacuum chamber including a heat seal assembly; and heat sealing the loaded bag with the heat seal assembly to close the bag mouth.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: February 22, 2011
    Assignee: Cryovac, Inc.
    Inventors: Jeffrey R. Iocco, Greg E. McDonald, Max C. Painter, Wayne T. Workman
  • Method for positioning a loaded bag in a vacuum chamber
    Publication number: 20090293430
    Abstract: A method of positioning a loaded bag in a vacuum chamber includes loading a bag by placing a product in the bag; placing the bag on an infeed conveyor that is transparent to IR; advancing the bag, on the conveyor, to a sensing apparatus including an infrared camera disposed above the conveyor, and a bank of LED's disposed below the conveyor; interrogating the loaded bag, using the sensing apparatus, with infrared radiation to detect the trailing edge of the product inside the bag; transmitting information acquired from the interrogating step to a PLC; advancing the interrogated loaded bag a distance, based in the information acquired from the interrogating step, to a vacuum chamber including a heat seal assembly; and heat sealing the loaded bag with the heat seal assembly to close the bag mouth.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 3, 2009
    Inventors: Jeffrey R. Iocco, Greg E. McDonald, Max C. Painter, Wayne T. Workman