Glossary

crossing; overlap

Distance inside the seam delimited by the juxtaposition/superimposition of the 2 hooks (bottom hook and body hook).

hook balance

Also known as the distance between hooks, subtraction between the length of the body hook and the length of the bottom hook (Cc – Cf).

ripples; wrinkles end hook

Frowns can be observed on the bottom hook, caused by the action of winding a circular crimping edge. Excess metal can form ripples if the crimping operation is not carried out correctly.

percent body hook butting; per cent body hook butting

Formula (fraction) whose numerator is the Internal Body Hook (Ci) and denominator the Internal Seam Length (Fc), which guarantees a good fit of the body hook to the crimped interior...