In general, used beer, alcoholic drink or medical bottles are collected to be used again. Such used returnable bottles often have defects such as dust and contaminant or cracks, and they must be removed from the bottles before or after the bottle cleaning process. This invention positively satisfies...http://www.google.es/patents/US4459023?utm_source=gb-gplus-sharePatente US4459023 - Electro-optic inspection system for transparent or semitransparent containers
Electro-optic inspection system for transparent or semitransparent containers
