Chucks are a critical part of the seaming process, which hold the lid/end in place as the seaming occurs – first
The purpose of this website is to assist can makers and can fillers who determine double seam quality and set up seaming machinery. We make no guarantee regarding the accuracy of the information on this website, or the results to be obtained from its use. SeamSchool.com assumes no responsibility for damage incurred from the use of the information. Double seam specifications and any additional information should be obtained from your can supplier.