| 摘要 |
PROBLEM TO BE SOLVED: To provide a pouring vessel with a shift plug, which can prevent a rupture-planned part of the shift plug from rupturing during assembly.SOLUTION: In an inside plug 30, an annular seating surface 37a is provided at an upper end of a fitting peripheral wall 36. A protrusion 43b abutting on the seating surface 37a is circumferentially provided at a lower edge of a cylindrical wall part 43 of a shift plug 40. |
