A sterilization tray is constructed primarily of a single stamped metal part which forms the bottom wall and at least two opposite side walls of the tray. The side walls of the tray are joined by end closures which form the end walls of the tray. In one tray embodiment, the end closures are plastic end...http://www.google.co.uk/patents/US5882612?utm_source=gb-gplus-sharePatent US5882612 - Thermally conductive sterilization tray