| 摘要 |
PURPOSE:To obtain a hermetically closing cap of synthetic resin which has a good barrier property and can be decorated by printing. CONSTITUTION:A hermetically closing cap comprises a synthetic resin member 3 and a metal member 2: the synthetic resin member 3 has a ridge-forming part 31 which comes in contact with the inner side of the mouth 41 of a vessel, a peripheral part 32 on which protuberances 33b designed to be fitted and fastened under an outwardly raised part 62 of the mouth 41 of the vessel are formed, and a horizontal top plane 21; the metal member 2 is provided on the horizontal top plane 21 and has an outer diameter which is larger at all peripheral points than the diameter of the inner circumference of the ridge- forming part 31. |
