| 摘要 |
A radiation-shielding container assembly defines a central axis and includes an elongated body portion having a closed end, an open end, and an outer surface extending between the open and closed ends. An inner surface is spaced radially inwardly from the outer surface, and a frusto-conical body surface extends radially inwardly from the outer surface adjacent the open end. A cap portion of the container is securable to the body portion and includes a closed end and an open end that is spaced from the closed end. The open end includes a frusto-conical cap surface that is matingly engageable with the frusto-conical body surface such that when the cap portion is secured to the body portion, the frusto-conical body surface and the frusto-conical cap surface overlap each other along a plane that is perpendicular to the axis, thereby preventing a straight-line path for radiation to escape from the container.
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