A disposable liquid sterilizer unit incorporates an ultra-violet tube designed to generate radiation at approximately 2537 Angstroms. The unit comprises an elongated cylindrical plastic jacket opaque to ultra-violet radiation concentrically mounted about the tube to provide a chamber between the jacket...http://www.google.es/patents/US4255663?utm_source=gb-gplus-sharePatente US4255663 - Disposable liquid sterilizer unit
