The bead area has {HEAD ~ a profiled single bead filler} that extends radially outward from {TAIL ~ the apex portion} with an essentially constant thickness portion and a tapered portion 
extends radially outward from
The bead area has { HEAD ~ a profiled single bead filler } that extends radially outward from { TAIL ~ the apex portion } with an essentially constant thickness portion and a tapered portion
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH