Sprayer for liquids with USD device that can be used also in horizontal position

A sprayer for liquids ( 10 ) is disclosed with a trigger pump comprising a body ( 11 ) which can be applied to the mouth of a container and a liquid delivery nozzle, a pumping chamber ( 22 ) being formed in the body ( 11 ) which is in communication with the inside of the container and the delivery nozzle ( 16 ), through a one-way suction and delivery valve ( 30 ), a USD (Upside Down) device being provided rearward of said pumping chamber which allows operation of the sprayer in the upright and upside down position, consisting in a cylindrical chamber ( 40 ) closed at the top with a stopper ( 27 ) and having at its bottom a hole ( 44 ) in communication with said pumping chamber ( 22 ), shut off in the Up position by a ball ( 42 ) which, in the Down position, frees said hole ( 44 ) and slots ( 47 ) formed in the wall ( 46 ) of the chamber ( 40 ), putting the inside of the container into communication with the pumping chamber ( 42 ) through said slots ( 47 ) and said hole ( 44 ), said cylindrical chamber being slanted backwards so as to allow the operation of the sprayer also in horizontal position.

Sprayer for liquids with usd device that can be used also in horizontal position

A sprayer for liquids ( 10 ) is disclosed with a trigger pump comprising a body ( 11 ) which can be applied to the mouth of a container and a liquid delivery nozzle, a pumping chamber ( 22 ) being formed in the body ( 11 ) which is in communication with the inside of the container and the delivery nozzle ( 16 ), through a one-way suction and delivery valve ( 30 ), a USD (Upside Down) device being provided rearward of said pumping chamber which allows operation of the sprayer in the upright and upside down position, consisting in a cylindrical chamber ( 40 ) closed at the top with a stopper ( 27 ) and having at its bottom a hole ( 44 ) in communication with said pumping chamber ( 22 ), shut off in the Up position by a ball ( 42 ) which, in the Down position, frees said hole ( 44 ) and slots ( 47 ) formed in the wall ( 46 ) of the chamber ( 40 ), putting the inside of the container into communication with the pumping chamber ( 42 ) through said slots ( 47 ) and said hole ( 44 ), said cylindrical chamber FIG. 4 being slanted backwards so as to allow the operation of the sprayer also in horizontal position.

SPRAYER FOR LIQUIDS WITH PRECOMPRESSION CHAMBER

A description is given of a sprayer of liquids () with trigger-operated pump comprising a body () which can be attached to the mouth of a container and a nozzle () of delivery of the liquid, in the body () being formed a pumping chamber () in communication with the interior of the container and with the delivery nozzle (), via a one-way valve of suction and of delivery (), in the outlet duct () for the liquid a system of precompression being placed comprising a piston () pushed with constant force by a spring () in occlusion of said outlet duct () such as to increase the pressure of the liquid in said outlet duct () during the pumping, and therefore the speed or the acceleration of the liquid in output from the nozzle (). 1. A sprayer , comprising:a container of liquid;a body provided with a base that can be applied to the mouth of the container of liquid and a delivery nozzle from which the liquid is sprayed, a pumping chamber in the body and in communication with the interior of the container through an inlet hole and a dipper tube and with said delivery nozzle through an outlet hole and an outlet duct having a first section in communication with said outlet hole of the pumping chamber and a second section in communication with said delivery nozzle and positioned at an angle with respect to said first section;a trigger lever hinged to the body and to the stem of a plunger movable in the pumping chamber;a one-way suction and delivery valve co-operating with said inlet hole and said outlet hole to control, following actuation of said trigger lever, the suction of the liquid from the container and the delivery of the liquid towards the delivery nozzle:a system of precompression seated in said outlet duct, suitable for increasing the speed or the acceleration of the liquid in output from said nozzle, the system of precompression comprising a piston housed in a seat formed in a widening and extension of said first section of the outlet duct and normally held in ...

SPRAYER FOR LIQUIDS WITH PRECOMPRESSION CHAMBER

A sprayer of liquids with trigger-operated pump includes a body which can be attached to the mouth of a container and a nozzle for delivery of the liquid. In the body is formed a pumping chamber in communication with the interior of the container and with the delivery nozzle. A one-way valve of suction and of delivery is located in the outlet duct of the liquid a system of precompression comprising a piston pushed with constant force by a spring in occlusion of the outlet duct such as to increase the pressure of the liquid in the outlet duct during the pumping, and also thereby increase the speed or the acceleration of the liquid in output from the nozzle. 1. A trigger sprayer , comprising: a base;', 'a delivery nozzle;', 'a pumping chamber;', 'an inlet hole in communication with the pumping chamber;', 'an outlet hole in communication with the pumping chamber;', a first vertical section in communication with the outlet hole;', 'a second vertical section in communication with the first vertical section; and', 'a horizontal section in communication with the delivery nozzle;', 'wherein the first vertical section is disposed below the second vertical section, and the first vertical section has a smaller diameter than the diameter of the second vertical section;, 'an outlet duct, comprising], 'a body, comprisinga plunger positioned in the pumping chamber;a trigger lever hinged to the body and to the plunger; a piston housed in the second vertical section; and', 'a spring holding the piston in the second vertical section,, 'a precompression system seated in the outlet duct, the precompression system comprisingwherein, the piston of the system of precompression is configured and arranged to permit a fluid to pass around an exterior surface of the piston upon actuation of the trigger sprayer.2. The sprayer of claim 1 , wherein the piston and the spring are a unitary component.3. The sprayer of claim 1 , wherein the first vertical section and horizontal section are at a ...

Sprayer for liquids with usd device that can be used also in horizontal position

A sprayer for liquids (10) is disclosed with a trigger pump comprising a body (11) which can be applied to the mouth of a container and a liquid delivery nozzle, a pumping chamber (22) being formed in the body (11) which is in communication with the inside of the container and the delivery nozzle (16), through a one-way suction and delivery valve (30), a USD (Upside Down) device being provided rearward of said pumping chamber which allows operation of the sprayer in the upright and upside down position, consisting in a cylindrical chamber (40) closed at the top with a stopper (27) and having at its bottom a hole (44) in communication with said pumping chamber (22), shut off in the Up position by a ball (42) which, in the Down position, frees said hole (44) and slots (47) formed in the wall (46) of the chamber (40), putting the inside of the container into communication with the pumping chamber (42) through said slots (47) and said hole (44), said cylindrical chamber being slanted backwards so as to allow the operation of the sprayer also in horizontal position.

Sprayer for liquids with usd device that can be used also in horizontal position

A sprayer for liquids (10) is disclosed with a trigger pump comprising a body (11) which can be applied to the mouth of a container and a liquid delivery nozzle, a pumping chamber (22) being formed in the body (11) which is in communication with the inside of the container and the delivery nozzle (16), through a one-way suction and delivery valve (30), a USD (Upside Down) device being provided rearward of said pumping chamber which allows operation of the sprayer in the upright and upside down position, consisting in a cylindrical chamber (40) closed at the top with a stopper (27) and having at its bottom a hole (44) in communication with said pumping chamber (22), shut off in the Up position by a ball (42) which, in the Down position, frees said hole (44) and slots (47) formed in the wall (46) of the chamber (40), putting the inside of the container into communication with the pumping chamber (42) through said slots (47) and said hole (44), said cylindrical chamber being slanted backwards so as to allow the operation of the sprayer also in horizontal position.

Sprayer for liquids with usd device that can be used also in horizontal position

Sprayer for liquids

A sprayer for liquids (10) is disclosed with a trigger pump comprising a body (11) which can be applied to the mouth of a container and a liquid delivery nozzle, a pumping chamber (22) being formed in the body (11) which is in communication with the inside of the container and the delivery nozzle (16), through a one-way suction and delivery valve (30), a USD (Upside Down) device being provided rearward of said pumping chamber which allows operation of the sprayer in the upright and upside down position, consisting in a cylindrical chamber (40) closed at the top with a stopper (27) and having at its bottom a hole (44) in communication with said pumping chamber (22), shut off in the Up position by a ball (42) which, in the Down position, frees said hole (44) and windows (47) formed in the wall (46) of the chamber (40), putting the inside of the container into communication with the pumping chamber (42) through said windows (47) and said hole (44).

Sprayer for liquids

A sprayer for liquids (10) is disclosed with a trigger pump comprising a body (11) which can be applied to the mouth of a container and a liquid delivery nozzle, a pumping chamber (22) being formed in the body (11) which is in communication with the inside of the container and the delivery nozzle (16), through a one-way suction and delivery valve (30), a USD (Upside Down) device being provided rearward of said pumping chamber which allows operation of the sprayer in the upright and upside down position, consisting in a cylindrical chamber (40) closed at the top with a stopper (27) and having at its bottom a hole (44) in communication with said pumping chamber (22), shut off in the Up position by a ball (42) which, in the Down position, frees said hole (44) and windows (47) formed in the wall (46) of the chamber (40), putting the inside of the container into communication with the pumping chamber (42) through said windows (47) and said hole (44).