| 摘要 |
PROBLEM TO BE SOLVED: To provide a paper container with a pouring outlet cap on which the pouring outlet cap composed of a polyolefin resin is integrally bonded from inside on a top section of the paper container with a polyester resin layer formed on an inner layer. SOLUTION: When the pouring outlet cap 10 composed of the polyolefin resin is inserted from inside into a mounting hole of the paper container with the inner layer 31 composed of the polyester resin layer and fusion welded therein, an annular film 40 formed of an EMAA resin film is stuck between a flange 12 of the pouring outlet cap and the inner layer 31 of the paper container. |
