when pumping relatively rapidly the remainder of the product being stored in the storage compartment to be dispensed during a subsequent intake stroke of the piston 30 by contraction of the storage compartment to maintain the stream or spray from the outlet orifice when the pressurizing pump is receiving product on its intake stroke it may be noted that the restriction of the orifice 102 may be in the channels 114 and 116 by making them extremely small in diameter rather than right at the orifice 102 itself the action of the accumulator piston 50 is shown in fig6 and 7 after a pressurizing stroke of the lever 60 when pumping liquid product the accumulator piston 50 is in a raised position as shown in fig7 until the accumulator piston engages the stop 118 on the inside of the button 84 the spring 104 determines the pressure under which the product is stored in the storage compartment 48 during the intake stroke of the lever 60 the accumulator piston 50 moves downwardly slightly to maintain the stream or spray issuing from the orifice 86 so that the stream or spray is relatively continuous when pumping relatively rapidly in the rest condition of the accumulator piston 50 shown in fig2 the skirt 100 of the accumulator piston encloses the outlet opening 112 to completely shut off flow of product to the restricted outlet orifice 102 the skirt 100 wipes the small outlet openings 112 to keep them clean and the outlet openings are each individually smaller in area than the restricted orifice 102 so that they act as a filter the total area of openings 112 is greater than that of the orifice 102 a.