Patents by Inventor Mary K. Cash

Mary K. Cash 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).

  • Bag having an improved heat seal closure and associated methods
    Patent number: 7544403
    Abstract: A multiwall bag having a slider zipper and fin combination and methods of forming same are provided. The multiwall bag, for example, can include a tube body. A bag seal zone can be formed in the tube body, and a combination fin member, zipper track, and zipper block can be connected to an end of the tube body in the bag seal zone. The other end of the tube body can be filled with product so that the bag seal zone operates as a constructive bottom during filling. Then, the end of the tube body through which product is filled can be closed and sealed to provide a bag filled with product. The method can include forming a tube body, sealing inner surfaces of the tube body to define a bag seal zone, and connecting a combination fin member, zipper track, and zipper block to the bag seal zone.
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: June 9, 2009
    Assignee: Exopack, LLC
    Inventors: Mark Hartzell, Alfred A. McLellan, Sarajane Johnson, Roseann Woodham-Grant, Lesley M. Millslagle, Mary K. Cash
  • Enhanced slider zipper multiwall bag and associated methods
    Patent number: 7090904
    Abstract: A multiwall bag having a slider zipper and fin combination and methods of forming same are provided. The multiwall bag, for example, can include a tube body. A combination fin member, zipper track, and zipper block can be connected to an end of the tube body. The other end of the tube body can be filled with product so that the combination fin member, zipper track, and zipper block operate as a constructive bottom during filling. Then, the end of the tube body through which product is filled can be closed and sealed to provide a bag filled with product. The method can include forming a tube body and connecting a combination fin member, zipper track, and zipper block to the bag seal zone.
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: August 15, 2006
    Assignee: Exopack, L.L.C.
    Inventors: Mark Hartzell, Alfred A. McLellan, Sarajane Johnson, Roseann Woodham-Grant, Lesley M. Millslagle, Mary K. Cash
  • Multiwall bag with zipper and fin
    Patent number: 6979482
    Abstract: A multiwall bag having a slider zipper and fin combination and methods of forming same are provided. The multiwall bag, for example, can include a tube body. A bag seal zone can be formed in the tube body, and a combination fin member, zipper track, and zipper block can be connected to an end of the tube body in the bag seal zone. The other end of the tube body can be filled with product so that the bag seal zone operates as a constructive bottom during filling. Then, the end of the tube body through which product is filled can be closed and sealed to provide a bag filled with product. The method can include forming a tube body, scaling inner surfaces of the tube body to define a bag seal zone, and connecting a combination fin member, zipper track, and zipper block to the bag seal zone.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: December 27, 2005
    Assignee: Exopack-Technology, LLC
    Inventors: Mark Hartzell, Alfred A. McLellan, Sarajane Johnson, Roseann Woodham-Grant, Lesley M. Millslagle, Mary K. Cash
  • Enhanced slider zipper multiwall bag and associated methods
    Publication number: 20040228547
    Abstract: A multiwall bag having a slider zipper and fin combination and methods of forming same are provided. The multiwall bag, for example, can include a tube body. A combination fin member, zipper track, and zipper block can be connected to an end of the tube body. The other end of the tube body can be filled with product so that the combination fin member, zipper track, and zipper block operate as a constructive bottom during filling. Then, the end of the tube body through which product is filled can be closed and sealed to provide a bag filled with product. The method can include forming a tube body and connecting a combination fin member, zipper track, and zipper block to the bag seal zone.
    Type: Application
    Filed: June 3, 2004
    Publication date: November 18, 2004
    Inventors: Mark Hartzell, Alfred A. McLellan, Sarajane Johnson, Roseann Woodham-Grant, Lesley M. Millslagle, Mary K. Cash
  • Multiwall bag having slider zipper and fin combination and associated methods
    Publication number: 20040091648
    Abstract: A multiwall bag having a slider zipper and fin combination and methods of forming same are provided. The multiwall bag, for example, can include a tube body. A bag seal zone can be formed in the tube body, and a combination fin member, zipper track, and zipper block can be connected to an end of the tube body in the bag seal zone. The other end of the tube body can be filled with product so that the bag seal zone operates as a constructive bottom during filling. Then, the end of the tube body through which product is filled can be closed and sealed to provide a bag filled with product. The method can include forming a tube body, scaling inner surfaces of the tube body to define a bag seal zone, and connecting a combination fin member, zipper track, and zipper block to the bag seal zone.
    Type: Application
    Filed: November 8, 2002
    Publication date: May 13, 2004
    Inventors: Mark Hartzell, Alfred A. McLellan, Sarajane Johnson, Roseann Woodham-Grant, Lesley M. Millslagle, Mary K. Cash