| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pouring spout of a pull-top type, which is improved in releasability and good in usability. <P>SOLUTION: The pouring spout is formed of: a base 1 which has a pouring cylinder 1c and is rigidly held at a mouth of a container; and a sealed barrier 2 which is integrally formed on the base 1 inside the pouring cylinder 1c, and communicates with the interior of the container when torn along a line m to be broken. The pouring spout has a pull ring 4 which is connected to the sealed barrier 2 via a column portion 3, and forms a recess 5 between mutually opposed connection portions, to thereby facilitate expansion/contraction of a diameter d thereof. <P>COPYRIGHT: (C)2007,JPO&INPIT |
