Defects

Overlap is a critical internal seam measurement. Possible causes for Low Overlap: Short Cover (End) Hook Short Body Hook Long seam

Seam bumps are internal bumps inside the seam that can be caused by a variety of reasons. Seam bumps can

This defect occurs when canning solid food, and in particular fish, where bones or other materials can remain or overhang the

This particular defect has a few names, such as “Vee”, “Spur“, “Pin Lip” and other names. In actuality, this is the

This particular defect has a few names, such as “Vee”, “Spur“, “Pin Lip” and other names. In actuality, this is the

A sprung seam is the result of “springback“. It appears as a loose seam, i.e. high (loose) seam thickness, however this defect

Seam gap is an important internal seam measurement parameter. Possible causes of Open (High) Seam Gap: Length is too long

A loose (high) seam thickness can occur when the 2nd operation is set up incorrectly, causing possible leaks and other severe issues

Extremely Low (Tight) Seam Thickness can cause several unwanted effects, including cracks in the end curl or can flange and seam bumps. In