| 摘要 |
<P>PROBLEM TO BE SOLVED: To give a clear feel of click without wear of a member in fastening a cap. <P>SOLUTION: The cap (2) includes an annular sidewall (2a) having a thread on its inner wall surface and surrounding the periphery of a mouth of a container and a top wall (2b) integrally molded at the upper end of the sidewall (2a). The cap (2) is constituted of a protrusion (c) provided at the lower end inside the annular sidewall (2a) for preventing the cap (2) from loosening by coming over a projection (1b<SB>1</SB>) provided at the foot of the mouth of the container, and a sealing member (4) coming into the contact with the mouth tip of the container after the protrusion (c) comes over the projection (1b<SB>1</SB>) to keep the mouth liquidtight. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
