In raw edge power transmission belts the tensile cords is covered with a thinly compressed layer composed of {TAIL ~ nonwoven fabric} and {HEAD ~ elastomer matrix} permeated therethrough at the tooth bottoms, and the nonwoven fabric is diffusedly mixed for reinforcing an elastomer matrix in the tooth parts 
In raw edge power transmission belts the tensile cords is covered with a thinly compressed layer composed of { TAIL ~ nonwoven fabric } and { HEAD ~ elastomer matrix } permeated therethrough at the tooth bottoms , and the nonwoven fabric is diffusedly mixed for reinforcing an elastomer matrix in the tooth parts
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH