POURING PLUG FOR LIQUID PAPER-CONTAINERS

摘要

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whereby when the pouring plug is inserted and arranged in the fitting hole, the projecting portions are completely withdrawn on the surface side of the container body to assume the state where the plug is positively temporarily fixed, and the step of supersonic deposition is carried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