CAP, CLOSING DEVICE, AND BEVERAGE FILLED IN CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a cap capable of obtaining sufficient sealability when liquid content is filled, and preventing the internal pressure of a container from being excessively increased when the cap is opened again after the cap is opened.

SOLUTION: The cap comprises a cap body 4 having a top plate portion 2 and a cylindrical portion 3 suspended from a circumferential edge thereof and a liner 5 provided in the cap body 4. A vent hole 12 along the circumferential direction is formed in the cylindrical portion 3, and the length of the vent hole 12 is set to be 5-50 mm.

COPYRIGHT: (C)2004,JPO