Patent ID: 8227057

Claim:
A corrugated paper sheet buffer article for package comprising: two tubular upper corner columns arranged in parallel, two tubular lower corner columns arranged below and in parallel with the two upper corner columns, and a plurality of spacing members arranged in parallel between the upper and lower corner columns, wherein a plurality of first insertion grooves are provided along a lengthwise directions of the upper and lower corner columns, respectively, and four corner ends of each of spacing members are inserted into the first insertion grooves on the upper and lower corner columns, respectively; wherein a lower board is provided between the two tubular lower corner columns, the lower board comprises a plurality of first intermediate columns having tubular shapes and laterally arranged side by side, and the first intermediate columns are disposed separately or integrally with their inner surfaces being connected with each other; and a plurality of second insertion grooves are provided on the first intermediate columns, and the spacing members are inserted into the second insertion grooves at the middle portion of the bottom sides of the spacing members; and wherein an upper board is provided between the two tubular upper corner columns and over the spacing members, the upper board comprises a plurality of upper board columns having tubular shapes, the upper board columns are disposed separately, and the upper board is in a hollow flat rectangular parallelpiped configuration formed by bending a corrugated paper sheet.