Patents by Inventor Rolf Weingardt

Rolf Weingardt 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).

  • Bottle Trimmer and Method
    Publication number: 20080042314
    Abstract: An apparatus for cutting a plastic blow molded body ejected from a blow mold, the apparatus includes spaced holders rotatable about a common axis. Each holder receives an end of a plastic body. A first drive rotates the holders about the axis. A second drive moves the holders and plastic body against a trim knife to cut the body. The holders start and stop rotation with the body at a predetermined orientation with respect to the common axis.
    Type: Application
    Filed: August 30, 2007
    Publication date: February 21, 2008
    Applicant: GRAHAM ENGINEERING CORPORATION
    Inventors: David Fiorani, John Mathy, Rolf Weingardt
  • Bottle Trimmer and Method
    Publication number: 20070290395
    Abstract: An apparatus for trimming plastic from a plastic bottle forming a portion of a plastic one-bottle or multi-bottle blow molded log includes a drive member that moves the log along a path and a punch movable with respect to the drive member. The punch moves along the path with the log and engages the log to trim plastic from the log.
    Type: Application
    Filed: August 30, 2007
    Publication date: December 20, 2007
    Applicant: GRAHAM ENGINEERING COMPANY
    Inventors: David Fiorani, John Mathy, Rolf Weingardt
  • Bottle Trimmer and Method
    Publication number: 20070290396
    Abstract: An apparatus for trimming a plastic blow molded log having a neck offset to a side of the log and extending along an axis. The apparatus includes spaced holders that receive the ends of the log. A first drive rotates the holders about the neck axis and a second drive moves the holders and log against a trim knife to trim the neck.
    Type: Application
    Filed: August 30, 2007
    Publication date: December 20, 2007
    Applicant: GRAHAM ENGINEERING CORPORATION
    Inventors: David Fiorani, John Mathy, Rolf Weingardt
  • Bottle trimmer and method
    Publication number: 20060071361
    Abstract: A bottle trimming machine and method where blow molded two-bottle logs are fed down an arcuate path during trimming of neck flash and neck rings.
    Type: Application
    Filed: October 1, 2004
    Publication date: April 6, 2006
    Inventors: David Fiorani, John Mathy, Rolf Weingardt