| 主权项 |
1. A breakable spout comprising a spout body and a cover that covers an outer circumference of the spout body, the spout body and the cover being individually manufactured and assembled into the breakable spout, wherein the spout body comprises a cylindrical part and a breakable part, the cylindrical part has a center hole that serves as a flow channel, the breakable part is integrally formed at a tip end of the cylindrical part and is breakable at the tip end, wherein
the spout body comprises a deformable annular part that is formed such that a side wall of the annular part protrudes from the breakable part toward a side opposite to the cylindrical part; a center hole of the annular part is a communication hole that communicates with the flow channel through the breakable part, wherein the communication hole is a hole that is closed by deforming the annular part; the cover is configured to cover the spout body, including the annular part, from a tip end side of the cylindrical part; the cylindrical part has a first protrusion on an outer circumferential surface thereof; the cover has a second protrusion on an inner circumferential surface thereof, wherein the second protrusion engages the first protrusion when the cover is fitted to the spout body such that the spout body, including the annular part, is covered with the cover from the tip end side of the cylindrical part; the cover covers the spout body and is secured when the first protrusion engages the second protrusion; and the cover has an opening at a portion that corresponds to the communication hole of the annular part when the cover is fitted to the spout body and covers the spout body. |
