| 摘要 |
PROBLEM TO BE SOLVED: To provide a spout assembly capable of taking out the highly viscous content with a very small amount of the remaining portion thereof. SOLUTION: In this spout assembly comprising a spout body provided with a bonding base part fitted to the inside of a pouch body on one side and a spout cylindrical part outside a pouch when fitted to the pouch on the other side of a flange surface located outside an end of the pouch which are integrated with each other by a synthetic resin, and a cap attachable/detachable to/from the spout of the spout body, the bonding base part provided below a conical flange is provided between two sides of the pouch, and has a shuttle shape in bottom view in which two sides are easily bonded with each other, and the liquid-tightness can be maintained. A cylindrical block preventive rib which is communicated with a cylindrical part in the bonding base part and provided with a hole in the side surface is provided below the bonding base part. The block preventive rib is a cylinder of an elliptical section, and a recess is formed in a part thereof, and at least two connection parts are provided between the bonding base part and the block preventive rib. |
