| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate the cleaning of an annular body while the annular body with a resin-made drinking opening removably attached to a metal container constituting a beverage container. <P>SOLUTION: An outer packing 22 is mounted to the outer circumference of the annular body 20. A lower step 11b continuing to the lower side of an upper step 11a having a fastening margin to the outer packing 22 with a loose fastening margin is formed at the inner circumference of the container opening 11. The annular body 20 is fixed to the inner circumference of the container opening 11 by vertically positioning the annular body 20 by the contact of the outer packing 22 with the seal surface on the inner circumference of the lower step 11b and by pushing the lower end of the annular body 20 to the inner circumference of the container opening 11 and positioning the end horizontally. When the annular body 20 is fixed, there is no portion facing the outer circumference of a neck 12 of the metal container body 12. When a container cover 30 is attached to the outer circumference of the neck 12, a protrusive part 23 of the annular body 20 is concealed from the outside, and when the container cover 30 is attached or removed, the inner packing 33 mounted to the outer circumference of a plug member 30b of the container cover 30 does not contact with the annular body 20. <P>COPYRIGHT: (C)2009,JPO&INPIT |
