DEVICE AND METHOD FOR THE OPTICAL INSPECTION, ASSESSMENT, AND CONTROL OF COLORED PLASTIC ARTICLES AND/OR CONTAINER CONTENTS

摘要

The present invention relates to an apparatus and method for detecting defects in colored articles. Specifically, the present invention comprises exposing a plastic colored article to radiation in the near infrared range; measuring radiation returned from or passed through said article and analyzing said returned or passed radiation to provide defect data for said article or contents within said article.