Double-ply corrugated paperboard and method of and apparatus for producing such

摘要

A high strength double-ply corrugated paperboard including upper and lower liners and ‎multiple-ply corrugated mediums disposed between the liners thereby capable or ‎exhibiting a high compressive strength while having a small thickness to minimize the ‎packaging size, and effectively absorbing outside shock applied to the package to keep ‎the packaged goods more safe.‎