the amount of fabric per {HEAD ~ unit volume} of {TAIL ~ elastomer} is greater in said tooth bottoms than in said tooth portions 
of
the amount of fabric per { HEAD ~ unit volume } of { TAIL ~ elastomer } is greater in said tooth bottoms than in said tooth portions
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH