The improvement in an apparatus 10 further characterized in that the arm is mounted on {TAIL ~ the carriage} to move relative thereto so that it magnifies the inward movement of {HEAD ~ the carriage} and effects a larger distortion of the carton wall 
The improvement in an apparatus 10 further characterized in that the arm is mounted on { TAIL ~ the carriage } to move relative thereto so that it magnifies the inward movement of { HEAD ~ the carriage } and effects a larger distortion of the carton wall
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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH