| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a spout member which enables contents stored in a bag body to be spouted efficiently, allows pressure bonding by a uniform pressure and heat in heat-sealing the spout member to the bag body, and facilitates the alignment of the spout member with a pressure bonding mold in the pressure bonding.SOLUTION: A spout member 10 includes: a cylindrical neck part 20 to be a spout passage 21 of contents; and a flange part 30 which is provided in a lower end part of the neck part 20 and has a top surface 31 to be joined to a bag body 60 for storing the contents and a bottom surface 32 located on the opposite side of the top surface 31. The bottom surface 32 of the flange part 30 is a flat surface, and a recessed part 33 provided continuously to the entire periphery of an inner peripheral surface 25 of the neck part 20 is provided in the bottom surface 32 of the flange part 30. A blocking prevention member 40 protruding from the inner peripheral surface 25 of the neck part 20 to the inner side is provided.</p> |
