Patent 6971518 was granted and assigned to Sonoco on December, 2005 by the United States Patent and Trademark Office.
A modular packaging system for shipping and displaying vertically stacked product containers. The system comprises a top cap, a plurality of corrugated trays with openings formed therein for receiving the bottoms of the product containers and restricting their movement, a bottom tray, a pallet, and vertical support posts that key inside the bottom tray and top cap and through the middle trays to help lock the system together. The entire assembly may be held together with banding and wrapped in a transparent plastic film to protect the product from dust and damage during shipment.