Liquid atomizers

Claim 1

AN ATOMIZER PUMP FOR USE ON A CONTAINER OF LIQUID TO BE ATOMIZED COMPRISES, IN COMBINATION, A CYLINDER ADAPTED TO BE FIXED IN THE NECK OF SAID CONTAINER, A PISTON OF A FLEXIBLE AND RESILIENT MATERIAL SLIDABLE IN SAID CYLINDER TO FORM THEREWITH A PUMP CHAMBER OF VARIABLE VOLUME, CONDUIT MEANS FOR CONNECTING THE INSIDE OF SAID CONTAINER WITH SAID PUMP CHAMBER, SPRING MEANS BETWEEN SAID CYLINDER AND SAID PISTON FOR URGING SAID PISTON IN A FIRST DIRECTION TOWARD ITS POSITION IN SAID CYLINDER WHERE SAID PUMP CHAMBER HAS ITS MAXIMUM VOLUME, A ROD CARRYING SAID PISTON AND COAXIAL THEREWITH, PUSH-PIECE MEANS RIGID WITH SAID ROD FOR DRIVING SAID PISTON IN A SECOND DIRECTION TOWARD ITS POSITION IN SAID CYLINDER WHERE SAID PUMP CHAMBER HAS ITS MINIMUM VOLUME, VALVE MEANS FOR CLOSING SAID CONDUIT MEANS IN RESPONSE TO THE MOVEMENT OF SAID PISTON IN SAID SECOND DIRECTION, AN ATOMIZING NOZZLE CARRIED BY SAID PUSH-PIECE, SAID ROD BEING PROVIDED WITH A LONGITUDINAL CONDUIT LEADING AT ONE END TO SAID ATOMIZING NOZZLE AND THE OTHER END OF WHICH OPENS INTO THE OUTER SURFACE OF SAID ROD THROUGH AN ORIFICE, A DEFORMABLE SKIRT CARRIED BY SAID PISTON ADAPTED TO CONTROL SAID ORIFICE TO CLOSE IT WHEN SAID PISTON IS MOVING IN SAID FIRST DIRECTION AND TO CLEAR IT WHEN SAID PISTON IS MOVING IN SAID DIRECTION, AND CONDUIT MEANS ON THE OUTSIDE OF SAID CYLINDER FOR CONNECTING THE EXTERNAL ATMOSPHERE WITH THE INSIDE OF SAID CONTAINER; SAID PISTON BEING ARRANGED TO COOPERATE WITH SAID LAST MENTIONED CONDUIT MEANS TO CLOSE THEM WHEN SAID PISTON IS AT THE END OF ITS MOVEMENT IN SAID FIRST DIRECTION.