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