US Patent 10273038 Overpack drums

Overpack drum assemblies are disclosed. The overpack drum assemblies include a container base and a lid that may be securely closed on the base within a range of acceptable closure positions that may be visually indicated. The lid may include at least one leverage bracket for receiving a bar or other leverage tool that facilitates tightening and loosening of the lid. The container base may include at least one indented anti-rotation notch to help secure the container base against rotation during tightening or loosening of the lid. An anti-rotation fixture may be used to resist rotation of the container base.