Patent ID: 8047377

Claim:
A method of transporting a honeycomb structured body by housing the honeycomb structured body packaged with a packaging material in a box member, and then transporting said box member, wherein said packaging material, which is formed by molding a plastic sheet, packages the honeycomb structured body by sandwiching the honeycomb structured body, said plastic sheet is provided with an installation portion for the honeycomb structured body, and provided as well with a reinforcing portion, said reinforcing portion is a groove portion in said plastic sheet and crosses and intersects with another reinforcing portion that is another groove portion in said plastic sheet, the crossing and the intersecting occurs at a location other than at a retention location of the honeycomb structured body, a peripheral side face of the packaging material is formed by bending the plastic sheet downward, and a plurality of grooves are formed on the peripheral side face, wherein irregularities of about 1 mm or more are formed on said installation portion.