SHEET FOR CORRUGATED CARDBOARD BOX AND CORRUGATED CARDBOARD BOX

摘要

PROBLEM TO BE SOLVED: To provide a sheet for corrugated cardboard box capable of forming a corrugated cardboard box of which the compression strength is large.;SOLUTION: A sheet for a corrugated cardboard box is composed of one corrugated cardboard sheet, and includes four panels which are linked in the longitudinal direction and constitute square cylindrical parts upon assembling and four pairs of flaps which are protruded from right and left direction both side edges of the four panels and are cut off from each other by slots, a bending facilitating line extended in the longitudinal direction respectively between the panel and the flap being formed. Therein, a rule mark which is extended in the right and left direction between the respective panels and does not reach the slot is formed, the slot has a slot top end part which is extended to the right and left direction center side from the bending facilitating line toward the edge point of the rule mark in proximity, the slot top end part has a first side edge and a second side edge which respectively almost continue from lateral edges of the opposed flaps, the first side edge is extended almost in the right and left direction and the second side edge is formed so as to approach the first side edge as it goes to the top end side.;COPYRIGHT: (C)2015,JPO&INPIT