| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cap which is hygienic, suppresses an amount of resin to be used, mutually fits a plurality of the caps, is not bulky when they are piled up, is easily fitted when they are fitted, can be smoothly pulled out when each cap is pulled out, and is excellent in finished appearance with less generation of wrinkles. <P>SOLUTION: The cap is mounted by heat shrinking a mouth part of a container, is configured with a heat-shrinkable sheet, and has a cylindrical part and a top plate part for sealing the opening part on one end side of the cylindrical part. The cylindrical part and the top plate part are integrally molded, and the cylindrical part has an inner diameter widening toward the opening part side, and at least part of the inner peripheral wall of the cylindrical part, there formed a plurality of grooves extending in the opening part direction from the top plate part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
