Patent ID: 9010587
Filing Date: 2015-04-21
Classification: B05B

Abstract:
1. Triggered dispensing device for a liquid, comprising: a frame; a pumping chamber and a piston sliding sealed in the pumping chamber along a piston axis, the chamber being provided of a bottom wall; a trigger operatively connected to the piston to move it; a suction pipe fluidly connectable to a container of the liquid to be dispensed, wherein the suction pipe comes out into the pumping chamber through a suction opening provided in the bottom wall; a dispensing pipe having extension along a dispensing axis, fluidly connected at an extremity to the pumping chamber through an inlet opening and, at the other extremity, fluidly connected with the outside environment; a suction valve suitable for regulating the flow of fluid between the suction pipe and the pumping chamber; a delivery valve, distinct from the suction valve, comprising a baffle outside the dispensing pipe, suitable for regulating the flow of fluids between the pumping chamber and the dispensing pipe; a removable stop, comprising a bottom arranged behind the delivery valve, to create a stop for the delivery valve during the dispensing phase, wherein the frame comprises a supporting wall which annularly defines the dispensing pipe and is annular with respect to the dispensing axis, and the stop is fitted to the supporting wall, and wherein the delivery valve comprises a connection wall annular with respect to the dispensing axis, inserted in the supporting wall of the frame and abutting on this, and wherein the stop comprises a cup element having a section superimposed axially and inserted in the connection wall.