20110284535 | CONTAINER - A container has a cylindrical body and a cover attached to an end thereof. The end has an annular thicker portion. The cover has a substantially circular plate portion with a substantially cylindrical portion and a circumferential projecting edge surrounding the plate portion forming an annular space. The end is inserted into the annular space. The cylindrical portion is provided on the outer surface with an annular step portion corresponding to an inner end of the annular thicker portion. An end portion of the cylindrical portion is widened so that the outer diameter of the end portion is larger than the inner diameter of the cylindrical body. The cover is attached to the end of the cylindrical body by using an inserting means having a tapered inner surface. The cover cannot be reattached once it is detached from the container. | 11-24-2011 |