A method of and apparatus for determining whether kegs, which are to be cleaned and filled on a bottling plant production line, have physical distortions which may prevent cleaning and/or filling and/or emptying. The testing of the barrels is accomplished by capturing images of the ends and processing...http://www.google.com/patents/US5585917?utm_source=gb-gplus-sharePatent US5585917 - Method and apparatus for checking containers
