A description is given of a sprayer of liquids (10) with trigger-operated pump comprising a body (11) which can be attached to the mouth of a container and a nozzle (16) of delivery of the liquid, in the body (11) being formed a pumping chamber (22) in communication with the interior of the container and with the delivery nozzle (16), via a one-way valve of suction and of delivery (30), in the outlet duct (29) for the liquid a system of precompression being placed comprising a piston (41) pushed with constant force by a spring (42) in occlusion of said outlet duct (29) such as to increase the pressure of the liquid in said outlet duct (29) during the pumping, and therefore the speed or the acceleration of the liquid in output from the nozzle (16).

A multiple dose syringe has a first valve defining a first valve opening pressure and a second valve defining a second valve opening pressure. A storage chamber in fluid communication with the second valve stores multiple doses of a substance therein and includes an outlet for dispensing multiple doses of the stored substance therethrough. A compression surface is movable between first and second positions and defines a compression chamber between the compression surface and the first valve. Movement of the compression surface in a direction from the first position toward the second position dispenses substance in the compression chamber through the first valve and out of the syringe. Movement of the compression surface in a direction from the second position toward the first position causes substance to flow from the storage chamber through the second valve and into the compression chamber.

A dispenser includes a housing and a discharge opening provided at the distal end of the housing. The dispenser includes a liquid reservoir and a control device having a pump or a switching valve, which control device is connected by a first line to the liquid reservoir and by a second line to the discharge opening, and via which control device liquid is conducted from the liquid reservoir to the discharge opening. The dispenser includes a push button which provided laterally in a cutout of a circumferential face of the housing and connected to the control device that pressing the push button actuates the control device so that liquid is conducted to the discharge opening. Measures for securing the dispenser include a rotatable sleeve over the push button, a secured cap, a securing arrangement on the push button, an interaction of the push button with an opposite side of the dispenser, and a receiving sleeve for the dispenser.

A device for dispensing fluid from a fluid container, the device capable of being set to different discrete and repeatable/equal dispensing amounts, depending on the amount of fluid required to be dispensed by the user for various applications and uses. The device may also be set to an off or closed position to prevent accidental dispensing of fluid when not in use. The device is preferably configured to be affixed to the outer surface of a fluid container, which fluid container is preferably a flexible bag or pouch.

The present invention relates to a pump-type cosmetic container having a side button, wherein when a user presses a button portion, the button portion is elastically deformed by an elastic force of the button part itself, such that a pumping operation is performed to discharge contents, which makes it possible to easily discharge the contents by means of a simple structure with no separate pumping member, thereby reducing an assembling time and manufacturing cost.

A droplet dispenser for dispensing cosmetic or pharmaceutical liquids in the form of individual droplets, having a medium reservoir with a first and second medium chambers, which are isolated from one another for separately storing two media. The medium chambers are connectable to produce a combined liquid. The droplet dispenser has a discharging opening and, downstream of the discharging opening, a droplet forming contour in order to create droplets which detach from the droplet forming contour as soon as the droplets have reached a defined volume. The droplet dispenser has a pump device between the medium reservoir and the discharging opening, wherein the pump device has a variable-volume pump chamber for delivering combined liquid. The pump device has an inlet valve on the entry side and an outlet valve on the exit side.

A trigger dispensing head applicable to a bottle of a trigger dispensing device is provided. The trigger dispensing head has a cylinder chamber, a main vent passageway, a sleeve, a secondary vent passageway, an axially slidable piston, a suction duct, and a dispensing duct. The sleeve is rotatable by a user between an angular working position in which the main vent passageway is in fluid communication with the secondary vent passageway and an angular rest position, in which the main vent passageway is fluidically separated from the secondary vent passageway.

A fluid pump includes a pump body having a pump inlet and a pump outlet, and a spring valve combination provided within the pump body. The spring valve combination includes a spring body having a first end portion, a second end portion and a spring section therebetween, which spring section is compressible in an axial direction from an initial condition to a compressed condition and is subsequently expandable to its initial condition; a first valve element provided at the first end portion of the spring body; and a second valve element provided at the second end portion of the spring body, wherein the spring body and the first and second valve elements are integrally formed. The first and second valve elements interact with an interior of the pump body to define a one-way inlet valve and a one-way outlet valve, respectively.

Bellow actuated pump devices for dispensing a product from a container may include a bellow and a base or a bellow, a base, and a valve having two or more valves wherein actuation of the bellow opens a discharge portion of the valve and dispenses a product and the de-actuation of the bellow opens an intake portion of the valve and refills the pump for the next actuation.

A pump for dispensing a fluid product from a product container, includes a unitary pump body defining an axis and including a pump chamber, a pump inlet and a pump outlet. The pump chamber is collapsible over an axially directed pumping stroke from an initial condition to a collapsed condition and is biased to return to its initial condition in a return stroke. An axially compressible spring is arranged to at least partially support the pump body during its collapse.