Pouring plug for liquid paper-containers.

摘要

The present invention relates to a pouring plug (1) used for paper containers filled with juice, milk and the like. The present invention relates to a pouring plug (1) having a flange portion (6) corresponding to a peripheral surface portion of a fitting hole (B) of a container body (A) and being mounted from inside of the container body (A), in which a plurality of projecting portions (10) are provided, at a height position larger than a thickness dimension (D) of a structural member of the container body (A) from the flange portion (6), on the peripheral surface portion corresponding to the inner peripheral edge of the fitting hole (B), whereby when the pouring plug (1) is inserted and arranged in the fitting hole (B), the prejecting portions (10) are completely withdrawn on the surface side of the container body (A) to assume the state where the plug (1) is positively temporarily fixed, and the step of supersonic deposition is carried out without any trouble.