A hand pump fabricated entirely from plastic components for dispensing liquids, is provided. The hand pump includes an actuator, a closure, a housing having a lower check valve, and a piston having an integrated upper check valve in the form of an inverted cone suspended within a cylinder. An elastic, dome shaped, plastic return spring is utilized to return the actuator to its rest position after actuation. Used pumps do not require disassembly to be recycled.

A dispenser for dispensing a liquid product, the dispenser comprising an inner case, a pump assembly, a dispensing head, a collar, a dialer, and an outer case. The inner case accommodates the liquid product. The outer case removably houses the inner case in a hollow cavity formed therein. The dialer is rotatable on an outer surface of the outer case. The dialer is detachably coupled with the inner case which allows the inner case to be housed within the outer case in a removable manner. The dialer is rotated circumferentially on an outer peripheral surface of the outer case for engaging and disengages the inner case. The collar is designed to house the pump assembly and is engaged on an open upper end of the outer case. The dispensing head is coupled to the pump assembly and comprises a nozzle to dispense the pumped liquid product when actuated.

A method of assembling a trigger sprayer assembly includes providing an engine having a piston chamber and a fluid passage that is fluidly coupled to the piston chamber, the fluid passage extending from an input portion to an output portion. The method further includes inserting a piston component into the piston chamber, and coupling a trigger lever to the engine and the piston component. Pivoting the trigger lever relative to the engine pushes and pulls the piston component within the piston chamber to drive fluid from the input portion to the output portion of the fluid passage. The method further includes coupling a shroud to the engine, where the coupling comprises positioning a rail protrusion of the engine within a corresponding recess formed in the shroud, and inserting a shelf extending from an interior surface of the shroud into a pair of receiving clips extending from the engine.

A dispenser pump has a plunger operable in a body including an outer cylinder body having a vent opening in its sidewall and a body insert fitting into the top of the body cylinder and providing an external collar through which the plunger stem operates. The body insert has a lock-down thread to lock down the plunger for shipping. The insert also has an undulating annular vent-control bead extending right round its cylindrical outer surface, engaging the cylinder wall with interference for either blocking or unblocking the vent opening, according to whether the vent-control bead lies above or below the interior vent opening, by rotation between the body cylinder and body insert. The rotation can be driven by rotation of the plunger head, which makes a catch engagement with the top of the body insert. Blocking the vent during shipping reduces leakage.

A reservoir for a nebulizer includes: a tank or bag containing multiple doses of a fluid to be nebulized, and an indicator device for counting or indicating a number of uses performed or still possible with the reservoir, where at least one of: the reservoir includes a connector for fluidically connecting the tank or bag with the nebulizer, the indicator device is actuated by moving the connector relative to the tank or bag, and the reservoir includes or forms an eccentrical linear guidance for a driving part for driving the indicator device.

The present invention relates to an integrated check valve comprising: a valve body (31) which is a cylindrical member having open upper and lower parts, and which is insertedly provided at the outer periphery of a center hole (21) of a cylinder (20) at which a pump body (10) is provided; and a cylindrical check valve (33) fitted and coupled to the upper surface of the valve body (31) by being connected thereto by means of a connecting strap (32) which is connected to the side surface of the valve body (31). The present invention attaches the valve body to a hole to be opened and closed, and assembles, on the valve body, the check valve connected to the valve body, thereby facilitating the assembly and disassembly of components and maintaining excellent pumping efficiency even when used for a long term.

Provided according to an aspect of the invention may be an apparatus for manufacturing cosmetic, which includes a housing which forms an outer appearance; an internal phase container which is provided in the housing, and which stores internal phase fluid excluding surfactant; an external phase container which is provided in the housing, and which stores external phase fluid excluding surfactant; a channel unit which generates emulsion by mixing the internal phase fluid provided from the internal phase container and the external fluid provided from the external phase container; and an operative unit which provides external force required to form and discharge emulsion at the channel unit by manipulation of a user.

Disclosed are a pressure regulator for reciprocating pumps comprising an audible low pressure blow off and pumps comprising the pressure regulator. Also described is a pump comprising a larger diameter barrel with a higher volume for inflating an inflatable object at a lower pressure and a smaller diameter barrel with a lower volume for inflating an inflatable object at a higher pressure, wherein the pump is switchable to operate using either the larger diameter barrel or the smaller diameter barrel using a single lever attached to an end cap of the smaller diameter barrel.

A lotion pump includes a movable portion and a stationary portion. A shifting mechanism is formed on the movable portion and the stationary portion, which shifts the elastic restoring mechanism of the lotion pump between a standby state and a non-standby state as the movable portion rotates or moves up and down. The structure of the lotion pump can prevent the spring from yielding due to compressed for a long time, while can also realize a form of locking at lower position.

A cosmetic vessel may include a vessel body including an inner case configured to accommodate cosmetics and having an inlet, and an outer case configured to accommodate the inner case therein and having an opening in a top thereof, a cap part coupled to the open top of the outer case, a discharge means coupled to the inlet and configured to discharge the cosmetics to an outside through a suction pipe extending to a bottom surface of the inner case, and a discharge part moving downwards to operate the discharge means and configured to transmit the cosmetics discharged from the discharge means to the outside.