Angelus serves process industries by providing some of the most efficient seamers on the market that meet the specific needs of even the most demanding of operations. The preservation of canned products requires hermetically sealed cans. The process of creating an airtight closure by attaching the can end component to the can body is called double seaming. This double seam is a metal to metal or metal to composite joint formed by mechanically interlocking five layers; three from the can end and two from the can body. These layers are compressed and ironed tightly to form the hermetic seal.