| 摘要 |
<p>PURPOSE:To provide an interior member for a package box wherein a cylinder can be formed only of a flat paper sheet without using a separate fixing material, assembly is not troublesome and recycling is easy. CONSTITUTION:This is an interior member comprising a cylinder for filling a corner of a package box for supporting an object to be wrapped, wherein an insertion protruding piece 4 is formed at a rim of a paper sheet, while a slit 5 corresponding to the protruding piece 4 and parallel to the rim is provided at a predetermined position from the rim. A part between the slit 5 and the rim is folded, and also the protruding piece 4 is inserted into the slit 5 to have them locked, thereby forming a cylinder 3.</p> |
