Apparatus for applying silicone to the barrels of syringes

Claim 1

IN A MACHINE FOR COATING THE INSIDES OF CONTAINERS WITH A LIQUID COATING AND WHICH INCLUDES A FRAMEWORK CARRYING RODS WITH ENDS OF THE SAME SIZE AS THE INNER DIAMETER OF THE CONTAINERS AND CAPABLE OF PICKING UP LIQUID COATING AND APPLYING IT TO THE INSIDES OF THE CONTAINERS, THE MACHINE BEING PROVIDED WITH MEANS FRO RAISING THE FRAMEWORK WITH THE RODS AND LOWERING IT TO SUBMERGE THE ENDS OF THE RODS IN A LIQUID RESERVOIR, THE IMPROVEMENT WHICH COMPRISES, (A) A SUPPORT FOR A TRAY OF CONTAINERS AT A LEVEL SUFFICIENTLY ABOVE THE RESERVOIR SO THAT NO PART OF THE CONTAINERS ARE SUBMERGED THEREIN, (B) TRAY ACTUATED SWITCH MEANS AND A LIMIT SWITCH ACTUATED THEREBY, MEANS CONTROLED BY SAID LIMIT SWITCH FOR LOWERING THE FRAMEWORK AND RODS AND MEANS CARRIED BY THE FRAMEWORK AND COOPERATING WITH THE LIMIT SWITCH TO STOP LOWERING WHEN THE RODS ARE AT A PREDETERMINED LEVEL ABOVE THAT OF THE IQUID IN THE RESERVOIR AND TO CAUSE THE FRAMEWORK TO RISE AGAIN WHEREBY WHEN THE TRAY OF CONTAINERS IS NOT IN PLACE THE FRAMEWORK CAN LOWER TO IMMERSE THE ENDS OF THE RODS IN THE RESERVOIR AND ON THE SHORTER LOWERING AND RAISING OF THE FRAMEWORK IS AUTOMATICALLY EFFECTED.