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Anatomy of a Can
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TERMS AT A GLANCE
Bead: concave (interior bead  ) or convex (exterior bead  ) area usually 1/8" wide spanning the circumference of the tin to provide additional strength and stability to the tin body
Body: a can without a cover (lid); the base of a container
Cover: a can’s lid or closure
Curl: area of tin turned in on itself to provide a safe, finished curved edge 
Dome: a type of cover characterized by a flat horizontal surface (top) that tapers smoothly onto the skirt (vertical surface) 
Drawn: see seamless
End: the area of a tin also known as the bottom. Coffee-style hermetic tins generally have two ends. Ends can be attached by seaming them on or crimping 
Full friction: a plug-style metal cap fits snugly to the interior of the can 
Hem: similar to a curl, an area of tin turned in on itself to provide a safe, finished flattened edge
Interior Friction: Cover/closure option in which a pliable ring fits to the interior of a tin allowing for a straight-sided slender profile can
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Lock-seam: side walls meet and attach by hooking onto one another to form a tin body 
Multiple friction: a plug closure fits into a “well” of a seamed-on ring. The plug is pressed into the ring and the two surfaces (the outside and inside edge) come into contact with the ring, creating multiple sealing surfaces on the plug/ring combination 
Seamless: a tin that is constructed from a single piece of tin drawn to form the body of the can
Single friction: a plug-style metal cap fits snugly into a seamed on ring. The outside edge of the plug presses against the interior edge of the ring, creating one sealing surface 
Slip cover: cover/closure style in which the cover’s skirt (vertical surface) slips over and to the outside of the can body 
Stepped cover: type of slip cover in which a “step” is created between the horizontal surface and vertical surface of the cover so that stacking tins is possible with less likelihood of toppling over
Welded Seam: seam type in which side walls attach to one another through the use of heat to form a tin body 
White Coat: entire surface of the metal is coated with white before applying other printing ink colors
Thanks to Allstate Can Corporation for this great can anatomy information.
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Copyright © 2006 All Rights Reserved Freund Container, a Division of Berlin Packaging
Corporate Center II; 4200 Commerce Court Suite 206; Lisle, IL 60532 • Phone: 800.363.9822 • Fax: 800.423.7545
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