| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a developed plate-like material for a box-like container at the upper side from shifting horizontally against a developed plate-like material for a box-like container at the lower side. <P>SOLUTION: When the developed plate-like materials B for the box-like containers are stacked, the upper part of a male block of a male portion of the developed plate-like material B positioned at the lower side is fitted into a lower fitting recession part e6 of a male portion E1 of the developed plate-like material B positioned at the upper side. At the same time, an approximately reverse truncated conical projection part e11d of a female portion E2 of the developed plate-like material B positioned at the upper side, the projection e11d being formed through the formation of an approximately reverse truncated conical recession e2, is fitted into an approximately reverse truncated conical recession of a female portion of the developed plate-like material B positioned at the lower side. This prevents the developed plate-like material B positioned at the upper side from shifting horizontally against the developed plate-like material positioned at the lower side, thus enables stable stacking of the developed plate-like materials. <P>COPYRIGHT: (C)2007,JPO&INPIT |
