Patents Assigned to Chapco Carton Company
  • Non-corrugated cardboard box construction
    Patent number: 5219089
    Abstract: A non-corrugated box cardboard construction. The box has exterior panels, top and bottom flaps, and interior pads. An interior panel lies interior to and immediately adjacent each exterior panel, whereby the interior panels reinforce and support the exterior panels. The exterior panels, interior panels and flaps are joined by continuity to each other, having been cut from a single sheet. The fold lines between the interior panels include perforation lines along the fold lines.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: June 15, 1993
    Assignee: Chapco Carton Company
    Inventors: Charles G. Kiolbasa, John Christiansen