| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cap having a hinge capable of being normally turned over around the dead point and does not lack strength even if resin applied to the cap has a poor resiliency. <P>SOLUTION: This cap is made such that the peripheral walls of each of barrel parts 6, 17 of a cap body 2 and a cap body 3 are provided with vertical grooves 12 extending in the circumferential directions, both ends of a hinge 4 are connected to each of outer peripheral walls 13 positioned outside the vertical grooves 12 of the peripheral walls, respectively, so that when the lid 3 is turned, a bending resiliency of each of the outer peripheral walls 13 can be effectively utilized and even if the resin applied has a poor resiliency, does not lack the strength of the hinge 4, and the hinge 4 can be normally turned around the dead point. <P>COPYRIGHT: (C)2009,JPO&INPIT |
