The apparatus has an interchangeable mandrel for wrapping a strip to form a rim of the lid to {HEAD ~ a predetermined configuration} such as {TAIL ~ a super ellipse} 
such as
The apparatus has an interchangeable mandrel for wrapping a strip to form a rim of the lid to { HEAD ~ a predetermined configuration } such as { TAIL ~ a super ellipse }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL