Automatic gasket compound applying machine

Claim 1

IN AN AUTOMATIC MACHINE FOR FORMING FLOWED-IN RINGS IN CLOSURE SHELLS HAVING A MEANS TO ROTATE AND TO MOVE A PLURALITY OF THE CLOSURE SHELLS ALONG AN ARCUATE PATH AND HAVING A GASKET FLUID APPLICATION NOZZLE MOUNTED FOR MOTION ABOVE EACH OF THE CLOSURE SHELLS, THE IMPROVEMENT WHICH COMPRISES THE COMBINATION OF CAM MEANS COMPRISING A CAM AND CAM FOLLOWER MEANS TO CAUSE THE SIMULTANEOUS OPERATION OF A PLURALITY OF THE NOZZLES TO APPLY FLUID TO A PLURALITY OF CLOSURE SHELLS THEREBELOW, AN AIR PISTON IN EACH FLUID NOZZLE, AND AN AIR SWITCH OPERATIVELY COUPLED TO SAID AIR PISTON AND TO SAID CAM FOLLOWER TO OPERATE THE NOZZLE UNDER THE CONTROL OF SAID CAM, MEANS COMPRISING A PROXIMITY DETECTOR ADJACENT SAID ARCUATE PATH ADAPTED TO DETECT THE ABSENCE OF A CLOSURE SHELL BELOW ONE OF THE NOZZLES, LATCH MEANS TO DEACTIVATE SAID ONE NOZZLE, AND A COUPLING BETWEEN SAID LATCH AND SAID DETECTION MEANS COMPRISING A MOVABLY MOUNTED SECOND CAM, AN AIR CYLINDER OPERATIVELY COUPLED TO SAID SECOND CAM, A VALVE TO