Patents Assigned to Graham Packaging Company, LLP
  • Patent number: 7892462
    Abstract: Method and apparatus for controlling the delivery of polymer material in a sequential injection molding process. In one embodiment, the method provides: delivering a first shot of a first material simultaneously to a plurality of mold cavities; independently sensing for each cavity a property that is indicative of a volume or flow of material that is delivered to the corresponding cavity during the step of delivering the first shot; independently stopping the step of delivering the first shot to one or more cavities according to a program that uses as a variable a signal indicative of the property sensed for the corresponding cavity during delivery of the first shot; and delivering a second shot of a second material simultaneously to the cavities subsequent to the step of stopping the step of delivering the first shot.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: February 22, 2011
    Assignee: Graham Packaging Company, LLP
    Inventors: Thomas E. Nahill, Sam Kalmouni, Nikhil Mani, Keith Barker, Brian Lynch
  • Patent number: 7600655
    Abstract: Disclosed herein is a container and handle assembly comprising a container having at least one anchor having a portion embedded in a body of the container. The anchor has an unembedded portion with an attachment site. The assembly further comprises a handle formed separately from the container, where the handle has a mating attachment site for engaging the attachment site of the unembedded portion of the anchor. Also disclosed are methods of forming a container having at least one anchor partially embedded therein.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: October 13, 2009
    Assignee: Graham Packaging Company, LLP
    Inventors: Amit S. Agrawal, David P. Piccioli, Stephen R. Guerin