A metal autoclave cassette for dental instruments and appliances includes a pair of identical tray halves which are free of any outwardly extending flanges and which are provided with rounded corners and corner edges. Each tray half includes a retaining frame which is riveted in place and which includes...http://www.google.fr/patents/US5505916?utm_source=gb-gplus-shareBrevet US5505916 - Autoclave cassette