Patent ID: 7044300

Claim:
A packaging container for containing a roll group constituted by a stack of plural rolls of strip material, comprising: a lower case section for placement of said roll group thereon; a lateral section disposed about said roll group, having a lower portion fitted on said lower case section; an upper case section for covering an upper portion of said roll group; plural through holes formed in said lateral section; and plural connection tabs, formed by cutting a portion of said lower case section along cut lines, to extend from an upper end of said lower case section, for being inserted in said through holes to connect said lower case section with said lateral section, wherein each of said through holes includes a passage gap portion and a retention gap portion having a smaller width than said passage gap portion, wherein said connection tabs respectively include a small-width support portion and a large-width hook portion, and are in a T-shape, wherein said passage gap portion receives insertion of said hook portion of said connection tabs, said support portion of said connection tab being pressed into said retention gap portion, and wherein said through holes are formed by bending out a region defined by a partially closed loop of a cut line, and after said support portion is retained in said retention gap portion, said region is bent back to said cut line to close said passage gap portion.