Heat fuse in the marginal surface of the note

摘要

PROBLEM TO BE SOLVED: To provide a pour plug including an unsealing blade in which there is no danger that when a used packaging container is broken down for separate collection, hands or the like are not injured by an unsealing blade of the pour plug. SOLUTION: The pour plug comprises a spout 100 projected in a pour hole of a packaging container and a cap 200, and a threaded part is provided on the inner wall periphery and a guide cylinder part 230 on the outer periphery of which a guide inclined surface is formed is vertically provided at the center of a top plate. And in the spout in which a pour cylinder is provided on a flange, a threaded part for engagement with the cap is provided on the outer periphery of the pour cylinder and a plurality of vertical grooves each having at its end an engaging protrusion are provided on the inner periphery of the pour cylinder, and a protecting cylinder 130, which has on the outer periphery thereof a plurality of slide protrusions slidable in the vertical grooves of the spout and has on the inner periphery thereof a plurality of vertical grooves each having an engaging protrusion, is slidably inserted into the pour cylinder. And an unsealing cylinder 140, which has on its outer periphery a plurality of slide protrusions slidable in the vertical grooves of the protecting cylinder and in which a guide inclined surface for the cap is formed on the inner periphery and an unsealing blade 143 is formed at the lower end, is inserted into the protecting cylinder.