JP2003054606A5 - - Google Patents

Claims (8)

  This is a double-cylinder plug fitted to the container mouth, and has a fitting part 21 for fixing to the container mouth at the upper part of the outer cylinder 22, and the outer cylinder 22 and the inner cylinder 12 are The lower part is connected by the bottom plate 10. A rectifying plug, wherein four or more air ports 11 are provided at equal intervals around the circumference of the bottom plate 10. The rectifier plug according to claim 1, wherein an upper portion of the outer tube 22 is protruded from the fitting portion 21 . The stopper body has a triple cylinder structure connected to each other, the outer cylinder 22 has a fitting function with the container mouth portion, and the middle cylinder 41 has its tip protruding outward from the outer cylinder 22 . 2. The rectifier plug according to claim 1, wherein the inner cylinder 41 and the lower part of the inner cylinder 12 are connected by a bottom plate 10 having an air port. Claim 1, characterized in that to have a slope in the bottom 10 of the plug body, according to claim 2, rectifier plug according to claim 3. The rectifying plug according to any one of claims 1, 2, 3 , and 4 , wherein a gate 81 communicated by a bridge 82 is provided at the center of the tip of the inner cylinder 12. The rectifying plug according to any one of claims 1, 2, 3, 4, and 5 , wherein the inner cylinder 12 is formed so as to extend also below the bottom plate 10. . The air port (11) provided in the bottom plate (10) is formed from the bottom plate (10) to the outer cylinder (22) or the middle cylinder (41). rectifying plug according to claim 6.   A flange 143 is provided around the lower end of the cylinder 141, and the air port 11 is formed by cutting out four or more locations at equal intervals around the flange. A rectifying plug, wherein a rib 142 having the same height as the collar 143 is provided on the cylinder from the center of each collar section divided by the notch.