| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cap structure in which opening/closing operation of a cap is simple, sure and safe, and the structure is simple. <P>SOLUTION: This engaging structure consists of a container nozzle part 4 and the cap 6. The cap 6 includes an outer cylinder 21 and an elastically deformable inner cylinder 12. An undercut part 13 engaged with an engaging projecting part 8 of the container nozzle part 4 projecting inward is provided near the lower end of the inner cylinder 12. There exists a cutout part which is adjoined and positioned to the undercut part 13 of the inner cylinder 12 and is not brought into contact with a deformation guiding projection 14 of the container nozzle part 4. The container nozzle part 4 is provided with an engaging projecting part 8 engaged with the undercut part 13 of the cap 6 being vertical to the central line 7 and projecting outward on its outer peripheral face. <P>COPYRIGHT: (C)2009,JPO&INPIT |
