Patent ID: 6199700
Filing Date: 2001-03-13
Classification: B65D

Abstract:
A cushioning material for packaging, comprising:first and third frame members for forming a pair of parallel edge members of a rectangular frame; andsecond and fourth frame members for forming the other pair of parallel edge members of said frame;wherein said first, second, third and fourth frame members are formed of hollow bodies longitudinally divided into a plurality of parallel hollow sections, the contour and sizes of cross sections through the hollow sections being substantially the same, wherein the hollow bodies constituting said frame members are formed in a row by folding a single foldable sheet, wherein adjacent frame members are connected through a single uncut side portion of said sheet which is positioned on the outer side when the frame members are assembled into the rectangular frame, and the end portions of adjacent frame members have joint structures for combining the frame members together at right angles to each other.