As an additional advantage, the stress distribution of the toothed surface which effects rigity of {TAIL ~ the belt} can be ideal; the density of the nonwoven fabric can be lowered toward the tooth top and raised toward {HEAD ~ the bottom base} 
As an additional advantage , the stress distribution of the toothed surface which effects rigity of { TAIL ~ the belt } can be ideal ; the density of the nonwoven fabric can be lowered toward the tooth top and raised toward { HEAD ~ the bottom base }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH 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