A bottle closure testing apparatus includes a plurality of testing modules mounted side by side on a base plate. Each testing module includes a base block having a pressure input, a pressure signal output, and a holder for a test vessel. The test vessel is a plastic bottle blow-molding preform having...http://www.google.es/patents/US6347545?utm_source=gb-gplus-sharePatente US6347545 - Closure pressure testing apparatus and method for testing closures
Closure pressure testing apparatus and method for testing closures
