| 摘要 |
<P>PROBLEM TO BE SOLVED: To disclose a more improved molded lid which can quickly be restored to the original posture by removing a load even when deformation is generated in the vicinity of a side wall formed in the circumference of a protrusion of the molded lid in the case of lifting a packaging vessel, and accordingly whose commercial value as the packaging vessel is not declined. <P>SOLUTION: The molded lid 10 covers an opening of a vessel body having the opening upward. A protrusion engaging with an engagement part of a bottom of the vessel body when the vessel body is stacked on the same to restrict a movement of both in the surface direction and comprising a top plate circumferential side wall 21 and an approximately rectangular horizontal top plate 22 is integrally formed on a top plate 13 of the molded lid 10. The top plate circumferential side wall 21 in the circumference of the protrusion is constructed stepwise or constructed by the first rising part 23, a horizontal part 24 extending inward horizontally from the upper end, and the second rising part 25 rising from the inner margin. <P>COPYRIGHT: (C)2012,JPO&INPIT |
