The machine and method are particularly suited for measuring the coefficient of friction between {TAIL ~ a rubber specimen} or {HEAD ~ a tread element} and different friction surfaces at different sliding velocities, contact pressures and orientations 
The machine and method are particularly suited for measuring the coefficient of friction between { TAIL ~ a rubber specimen } or { HEAD ~ a tread element } and different friction surfaces at different sliding velocities , contact pressures and orientations
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH