Patents Assigned to Unimark Plastics
  • Canister lid with improved evacuation and vent assembly
    Patent number: 7048136
    Abstract: A canister lid includes a cover member adapted to cover a canister, thereby defining an interior of the canister. An evacuation valve is adapted to allow evacuation of the interior of the container. A vacuum release valve is adapted to allow venting of the interior of the container.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: May 23, 2006
    Assignees: Tilia International, Inc., Unimark Plastics
    Inventors: Paul W. Havens, Glynn Clements
  • Canister lid with improved evacuation and vent assembly
    Publication number: 20040084450
    Abstract: A canister lid includes a cover member adapted to cover a canister, thereby defining an interior of the canister. An evacuation valve is adapted to allow evacuation of the interior of the container. A vacuum release valve is adapted to allow venting of the interior of the container.
    Type: Application
    Filed: May 6, 2003
    Publication date: May 6, 2004
    Applicants: Tilia International, Inc., Unimark Plastics
    Inventors: Paul W. Havens, Glynn Clements