| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sanitary corrugated cardboard part which prevents organisms from entering the cavity parts between a corrugating medium and raw paper both of which constitute corrugated cardboard, and a manufacturing method of the corrugated cardboard part. <P>SOLUTION: In the manufacturing method of the corrugated cardboard part, a corrugated cardboard sheet D having a structure wherein a corrugated board-shaped corrugating medium 2 is provided to the flat sheetlike raw paper 1 is cut to be molded into a predetermined shape and the cut edge from which at least the corrugating medium 2 is exposed in a corrugated shape of the molded corrugated cardboard sheet D is collapsed to close the cavity part between the corrugating medium 2 exposed from the cut edge and the raw paper 1. <P>COPYRIGHT: (C)2007,JPO&INPIT |
