Patents Assigned to Portion Packaging, Inc.
  • Publication number: 20210188476
    Abstract: Provided is a multi-compartment tray having at least two compartments that are connected at the time of sale and then able to be split into separate, detached compartments by a user. The compartments are conjoined by a 3-dimensional wave-shaped perforation region. Each perforation wave includes a crest and a trough and perforation tabs are formed on at least some of the crests and troughs and form the point of interconnection between the compartments. In use, a user can apply leverage to the offset planes resulting in bending/snapping of the compartments relative to one another and causing the perforation break, thereby separating the compartments.
    Type: Application
    Filed: December 9, 2020
    Publication date: June 24, 2021
    Applicant: Winpak Portion Packaging, Inc.
    Inventors: Jerald William Knitter, Timothy Leo Ridley
  • Patent number: 4077180
    Abstract: A method and apparatus for packaging fluent material in individual containers, including a dispensing mechanism for locating individual containers in transverse rows on a moving conveyor belt, a filling pump assembly for simultaneously filling individual cups located in a series of such transverse rows with a predetermined amount of such fluent material during the movement of the conveyor, a covering assembly for applying strips of preformed covers to a plurality of filled individual containers simultaneously, and thereafter fluid-tightly sealing such covers to the containers, and a severing assembly including a series of rotating knives for severing the covers so applied to form individual filled and sealed containers.
    Type: Grant
    Filed: June 17, 1976
    Date of Patent: March 7, 1978
    Assignee: Portion Packaging, Inc.
    Inventors: J. Richard Agent, Donald W. Nielsen, Thomas A. Cooper