lower axes while in principle the sausage chain could be advanced and guided from infeed wheel 9 to nozzle 23 solely by means of the feed rolls 5 7 and 8 in particular when rolls 5 and 7 have hour glass shaped profiles as shown in fig3 it may be advantageous to employ the four endless round belts 25 as shown for frictionally engaging with and feeding the sausage chain the two upper belts 25 are tracked over all six upper rolls 7 and 8 while the two lower belts are tracked over the four rolls 5 on that side which faces the path of movement of a sausage chain between bars 21 and 22 on the lower side of bearing block 4 these lower belts are tracked over a tensioning pulley 26 see fig7 and over a drive pulley secured to the shaft of infeed wheel 9 as shown in fig7 the two upper belts 25 may be driven from a drive belt 28 tracked over a pulley on a shaft of the rearmost roll 7 and over a pulley secured to a shaft 29 journalled in support pin 13 shaft 29 is driven from the shaft of wheel 9 through a belt 30 which also drives the peeling roller unit 3 to be described below the.