Patent 7048118 was granted and assigned to Sonoco on May, 2006 by the United States Patent and Trademark Office.
An improved open-sided package assembly 10 for protecting and cushioning a product 12 such as a large appliance, the assembly 10 comprising a molded EPS base 14 and top cap 20 and four support posts 16, 18 extending from the base 14 to the top cap 20. The support posts 16, 18 are shaped in such a way that when they are inserted into the base 14 or top cap 20 they do not fall out.