Apparatus 6 wherein said {HEAD ~ severing means} comprises a rotary knife and {TAIL ~ a one revolution} clutch for driving said rotary knife 
Apparatus 6 wherein said { HEAD ~ severing means } comprises a rotary knife and { TAIL ~ a one revolution } clutch for driving said rotary knife
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH