Virgin sealed inner closure cap

摘要

A virgin sealed inner closure cap for container is provided which comprises a base cap member made of one thermoplastic resin and provided with a pour-out hole through the upper end wall thereof and a plug member removably fitted to said pour-out hole and having a holding tongue thereon. The plug member is made of another thermoplastic resin, which has no chemical affinity with that of the base cap member, and lightly attached to the base cap member to cover the pour-out hole by pressing the plug member against the base cap member while the plug member is molten by heating.